diff --git a/nj2k/src/org/jetbrains/kotlin/nj2k/JavaToJKTreeBuilder.kt b/nj2k/src/org/jetbrains/kotlin/nj2k/JavaToJKTreeBuilder.kt
index c33726d9996..1ac02b8bec9 100644
--- a/nj2k/src/org/jetbrains/kotlin/nj2k/JavaToJKTreeBuilder.kt
+++ b/nj2k/src/org/jetbrains/kotlin/nj2k/JavaToJKTreeBuilder.kt
@@ -74,7 +74,7 @@ class JavaToJKTreeBuilder constructor(
 
     private fun PsiImportList?.toJK(filterOutUsedImports: Boolean): JKImportList =
         JKImportListImpl(
-            this?.importStatements?.let { imports ->
+            this?.allImportStatements?.let { imports ->
                 if (filterOutUsedImports) {
                     imports.filter { import ->
                         when {
@@ -84,15 +84,15 @@ class JavaToJKTreeBuilder constructor(
                         }
                     }
                 } else imports.toList()
-            }?.map { it.toJK() }.orEmpty()
+            }?.mapNotNull { it.toJK() }.orEmpty()
         )
 
 
-    private fun PsiImportStatement.isSingleUnusedImport(): Boolean {
+    private fun PsiImportStatementBase.isSingleUnusedImport(): Boolean {
         if (isOnDemand) return false
         val target = resolve() ?: return true
-        val ussages = ReferencesSearch.search(target).toList()
-        return ussages.size == 1 && PsiTreeUtil.isAncestor(this, ussages.iterator().next().element, true)
+        val usages = ReferencesSearch.search(target).toList()
+        return usages.size == 1 && PsiTreeUtil.isAncestor(this, usages.iterator().next().element, true)
     }
 
     private fun PsiPackageStatement.toJK(): JKPackageDeclaration =
@@ -102,11 +102,11 @@ class JavaToJKTreeBuilder constructor(
             }
 
 
-    private fun PsiImportStatement.toJK(): JKImportStatement {
+    private fun PsiImportStatementBase.toJK(): JKImportStatement? {
         val target = resolve()
-        val rawName = text.substringAfter("import").substringBeforeLast(";").trim()
+        val rawName = (importReference?.canonicalText ?: return null) + if (isOnDemand) ".*" else ""
         val name =
-            if (target is KtLightClassForFacade) rawName.replaceAfterLast('.', "*")
+            if (target is KtLightClassForFacade) target.fqName.parent().asString() + ".*"
             else rawName
         return JKImportStatementImpl(JKNameIdentifierImpl(name))
             .also {
diff --git a/nj2k/testData/newJ2k/annotations/annotationUsages.kt b/nj2k/testData/newJ2k/annotations/annotationUsages.kt
index 4ff18340a50..8c78a8c80e5 100644
--- a/nj2k/testData/newJ2k/annotations/annotationUsages.kt
+++ b/nj2k/testData/newJ2k/annotations/annotationUsages.kt
@@ -11,7 +11,6 @@ import javaApi.Anon7
 import javaApi.Anon8
 import javaApi.E
 
-
 @Anon1(value = ["a"], stringArray = ["b"], intArray = [1, 2], string = "x")
 @Anon2(value = "a", intValue = 1, charValue = 'a')
 @Anon3(e = E.A, stringArray = [], value = ["a", "b"])
diff --git a/nj2k/testData/newJ2k/assignmentExpression/nullability.kt b/nj2k/testData/newJ2k/assignmentExpression/nullability.kt
index 94224d39719..8dd3c9ff495 100644
--- a/nj2k/testData/newJ2k/assignmentExpression/nullability.kt
+++ b/nj2k/testData/newJ2k/assignmentExpression/nullability.kt
@@ -1,5 +1,3 @@
-import java.util.HashSet
-
 internal class Foo {
     fun foo(o: HashSet<*>) {
         var foo = 0
diff --git a/nj2k/testData/newJ2k/boxedType/Boxing.kt b/nj2k/testData/newJ2k/boxedType/Boxing.kt
index b3a75fb210c..b948318c8dc 100644
--- a/nj2k/testData/newJ2k/boxedType/Boxing.kt
+++ b/nj2k/testData/newJ2k/boxedType/Boxing.kt
@@ -1,11 +1,12 @@
+// ERROR: Null can not be a value of a non-null type Int
 internal class Boxing {
     fun test() {
-        var i: Int? = 0
+        var i = 0
         val n: Number = 0.0f
         i = 1
         var j = i
         val k = i + 2
         i = null
-        j = i!!
+        j = i
     }
 }
\ No newline at end of file
diff --git a/nj2k/testData/newJ2k/comments/comments.kt b/nj2k/testData/newJ2k/comments/comments.kt
index 264ae39595f..825936b6a81 100644
--- a/nj2k/testData/newJ2k/comments/comments.kt
+++ b/nj2k/testData/newJ2k/comments/comments.kt
@@ -4,7 +4,6 @@ package foo
 // we use package 'foo'
 
 // imports:
-import java.util.ArrayList
 
 // we need ArrayList
 // let's declare a class:
diff --git a/nj2k/testData/newJ2k/constructors/constructorAnnotations.java b/nj2k/testData/newJ2k/constructors/constructorAnnotations.java
index 9790c9541a4..18ef4ddeb78 100644
--- a/nj2k/testData/newJ2k/constructors/constructorAnnotations.java
+++ b/nj2k/testData/newJ2k/constructors/constructorAnnotations.java
@@ -10,7 +10,8 @@ class A {
         this.b = b;
     }
 
-    @Deprecated // this constructor will not be replaced by default parameter value in primary because of this annotation
+    // this constructor will not be replaced by default parameter value in primary because of this annotation
+    @Deprecated
     public A(int a) {
         this(a, 1);
     }
diff --git a/nj2k/testData/newJ2k/constructors/constructorAnnotations.kt b/nj2k/testData/newJ2k/constructors/constructorAnnotations.kt
index bfd5b6941e8..e90f3a8a82e 100644
--- a/nj2k/testData/newJ2k/constructors/constructorAnnotations.kt
+++ b/nj2k/testData/newJ2k/constructors/constructorAnnotations.kt
@@ -2,7 +2,8 @@ import javaApi.Anon5
 
 internal class A @Anon5(10) constructor(private val a: Int, private val b: Int) {
 
-    @Deprecated("") // this constructor will not be replaced by default parameter value in primary because of this annotation
+    // this constructor will not be replaced by default parameter value in primary because of this annotation
+    @Deprecated("")
     constructor(a: Int) : this(a, 1) {
     }
 }
diff --git a/nj2k/testData/newJ2k/constructors/nestedClassNameInParameterDefaults4.kt b/nj2k/testData/newJ2k/constructors/nestedClassNameInParameterDefaults4.kt
index 7b5ec9c0695..d6f8f39dfbb 100644
--- a/nj2k/testData/newJ2k/constructors/nestedClassNameInParameterDefaults4.kt
+++ b/nj2k/testData/newJ2k/constructors/nestedClassNameInParameterDefaults4.kt
@@ -1,5 +1,7 @@
 package pack
 
+import pack.A.Nested
+
 internal class A @JvmOverloads constructor(nested: Nested = Nested(Nested.FIELD)) {
     internal class Nested(p: Int) {
         companion object {
@@ -9,5 +11,5 @@ internal class A @JvmOverloads constructor(nested: Nested = Nested(Nested.FIELD)
 }
 
 internal class B {
-    var nested: A.Nested? = null
+    var nested: Nested? = null
 }
\ No newline at end of file
diff --git a/nj2k/testData/newJ2k/detectProperties/AbstractPropertyPrivateSetter.kt b/nj2k/testData/newJ2k/detectProperties/AbstractPropertyPrivateSetter.kt
index 4e2d9cc7a9a..cb6420c43af 100644
--- a/nj2k/testData/newJ2k/detectProperties/AbstractPropertyPrivateSetter.kt
+++ b/nj2k/testData/newJ2k/detectProperties/AbstractPropertyPrivateSetter.kt
@@ -1,6 +1,6 @@
 package test
 
-import kotlinApi.*
+import kotlinApi.KotlinClassAbstractProperty
 
 class KotlinClassAbstractPropertyImpl : KotlinClassAbstractProperty() {
     override var isVisible = false
diff --git a/nj2k/testData/newJ2k/enum/enumConstantIsNotNull.java b/nj2k/testData/newJ2k/enum/enumConstantIsNotNull.java
index 37600c98b74..7a3c415c40a 100644
--- a/nj2k/testData/newJ2k/enum/enumConstantIsNotNull.java
+++ b/nj2k/testData/newJ2k/enum/enumConstantIsNotNull.java
@@ -1,8 +1,10 @@
-//class
 enum E {
   FOO;
 
-  void foo() {
-    FOO.toString();
+}
+
+class A {
+  public static void main(String[] args) {
+    System.out.println(E.FOO.toString());
   }
 }
\ No newline at end of file
diff --git a/nj2k/testData/newJ2k/enum/enumConstantIsNotNull.kt b/nj2k/testData/newJ2k/enum/enumConstantIsNotNull.kt
index 57ecffac83f..4fcec9928db 100644
--- a/nj2k/testData/newJ2k/enum/enumConstantIsNotNull.kt
+++ b/nj2k/testData/newJ2k/enum/enumConstantIsNotNull.kt
@@ -1,7 +1,7 @@
-internal enum class E {
-    FOO;
-
-    fun foo() {
-        FOO.toString()
+internal enum class E { FOO }
+internal object A {
+    @JvmStatic
+    fun main(args: Array<String>) {
+        println(E.FOO.toString())
     }
 }
\ No newline at end of file
diff --git a/nj2k/testData/newJ2k/equals/ObjectsEquals.kt b/nj2k/testData/newJ2k/equals/ObjectsEquals.kt
index 1a2fd163185..fa0efb69c46 100644
--- a/nj2k/testData/newJ2k/equals/ObjectsEquals.kt
+++ b/nj2k/testData/newJ2k/equals/ObjectsEquals.kt
@@ -1,5 +1,3 @@
-import java.util.Objects
-
 internal interface I
 
 internal class C {
diff --git a/nj2k/testData/newJ2k/field/specifyType.kt b/nj2k/testData/newJ2k/field/specifyType.kt
index 8eaecfbe610..7a3aa420a7c 100644
--- a/nj2k/testData/newJ2k/field/specifyType.kt
+++ b/nj2k/testData/newJ2k/field/specifyType.kt
@@ -1,4 +1,4 @@
-import java.util.*
+import java.util.ArrayList
 
 internal class A {
     private val field1: List<String> = ArrayList()
diff --git a/nj2k/testData/newJ2k/for/forThroughListIndicesNE.kt b/nj2k/testData/newJ2k/for/forThroughListIndicesNE.kt
index f87ac5eee4c..c2deef97320 100644
--- a/nj2k/testData/newJ2k/for/forThroughListIndicesNE.kt
+++ b/nj2k/testData/newJ2k/for/forThroughListIndicesNE.kt
@@ -1,5 +1,3 @@
-import java.util.ArrayList
-
 internal class C {
     fun foo(list: MutableList<String>) {
         for (i in list.indices) {
diff --git a/nj2k/testData/newJ2k/function/extendsBaseWhichExtendsObject.kt b/nj2k/testData/newJ2k/function/extendsBaseWhichExtendsObject.kt
index c2b45e1516e..197636da7c3 100644
--- a/nj2k/testData/newJ2k/function/extendsBaseWhichExtendsObject.kt
+++ b/nj2k/testData/newJ2k/function/extendsBaseWhichExtendsObject.kt
@@ -1,4 +1,3 @@
-// ERROR: Unresolved reference: clone
 // ERROR: Unresolved reference: finalize
 internal class Test : Base() {
     override fun hashCode(): Int {
@@ -43,7 +42,7 @@ internal open class Base : Cloneable {
     }
 
     @Throws(Throwable::class)
-    protected override fun finalize() {
+    protected open fun finalize() {
         super.finalize()
     }
 }
\ No newline at end of file
diff --git a/nj2k/testData/newJ2k/function/java8MRSamConstructor.kt b/nj2k/testData/newJ2k/function/java8MRSamConstructor.kt
index c12324bcd09..8e50536c1c4 100644
--- a/nj2k/testData/newJ2k/function/java8MRSamConstructor.kt
+++ b/nj2k/testData/newJ2k/function/java8MRSamConstructor.kt
@@ -1,6 +1,9 @@
 package test
 
-import javaApi.*
+import javaApi.JFunction0
+import javaApi.JFunction1
+import javaApi.JFunction2
+import javaApi.MethodReferenceHelperClass
 
 internal class Test {
     fun memberFun(): Int {
diff --git a/nj2k/testData/newJ2k/importStatement/importWithStar.kt b/nj2k/testData/newJ2k/importStatement/importWithStar.kt
index 396b8cc1190..c3c2bc6a648 100644
--- a/nj2k/testData/newJ2k/importStatement/importWithStar.kt
+++ b/nj2k/testData/newJ2k/importStatement/importWithStar.kt
@@ -1,5 +1,3 @@
 package test.j2k
 
-import org.jetbrains.annotations.*
-
 class Converter
\ No newline at end of file
diff --git a/nj2k/testData/newJ2k/importStatement/onlyImports.kt b/nj2k/testData/newJ2k/importStatement/onlyImports.kt
index e348f682c0a..755ebaba1c7 100644
--- a/nj2k/testData/newJ2k/importStatement/onlyImports.kt
+++ b/nj2k/testData/newJ2k/importStatement/onlyImports.kt
@@ -1,3 +1,3 @@
 // ERROR: Unresolved reference: ArrayBlockingQueue
 import java.util.Arrays
-import java.util.concurrent.ArrayBlockingQueue
\ No newline at end of file
+import java.util.concurrent.ArrayBlockingQueue
diff --git a/nj2k/testData/newJ2k/issues/kt-807.kt b/nj2k/testData/newJ2k/issues/kt-807.kt
index c3d1b1e4a75..f4407133b15 100644
--- a/nj2k/testData/newJ2k/issues/kt-807.kt
+++ b/nj2k/testData/newJ2k/issues/kt-807.kt
@@ -1,7 +1,10 @@
 // ERROR: Type mismatch: inferred type is DataInputStream but InputStream! was expected
 // ERROR: Unresolved reference: close
-import java.io.*
-import java.lang.Exception
+import java.io.BufferedReader
+import java.io.DataInputStream
+import java.io.File
+import java.io.FileInputStream
+import java.io.InputStreamReader
 
 internal object FileRead {
     @JvmStatic
diff --git a/nj2k/testData/newJ2k/issues/spaceBeforeAssignment.kt b/nj2k/testData/newJ2k/issues/spaceBeforeAssignment.kt
index b2c82a31605..d8f9b81cda0 100644
--- a/nj2k/testData/newJ2k/issues/spaceBeforeAssignment.kt
+++ b/nj2k/testData/newJ2k/issues/spaceBeforeAssignment.kt
@@ -1,4 +1,4 @@
-import java.util.*
+import java.util.ArrayList
 
 internal class A {
     var list: List<String> = ArrayList()
diff --git a/nj2k/testData/newJ2k/issues/unfinishedReferenceExpression.java b/nj2k/testData/newJ2k/issues/unfinishedReferenceExpression.java
deleted file mode 100644
index 60ac2c80a59..00000000000
--- a/nj2k/testData/newJ2k/issues/unfinishedReferenceExpression.java
+++ /dev/null
@@ -1,7 +0,0 @@
-public class JavaClass {
-    public String v = "";
-    public void m(String s) {
-        s.
-        this.v.
-    }
-}
\ No newline at end of file
diff --git a/nj2k/testData/newJ2k/issues/unfinishedReferenceExpression.kt b/nj2k/testData/newJ2k/issues/unfinishedReferenceExpression.kt
deleted file mode 100644
index 2a893313381..00000000000
--- a/nj2k/testData/newJ2k/issues/unfinishedReferenceExpression.kt
+++ /dev/null
@@ -1,7 +0,0 @@
-// ERROR: The expression cannot be a selector (occur after a dot)
-class JavaClass {
-    var v = ""
-    fun m(s: String) {
-        s.this.v.
-    }
-}
\ No newline at end of file
diff --git a/nj2k/testData/newJ2k/kotlinApiAccess/ClassObjectMembers.kt b/nj2k/testData/newJ2k/kotlinApiAccess/ClassObjectMembers.kt
index 52e347a5123..93458dd4acb 100644
--- a/nj2k/testData/newJ2k/kotlinApiAccess/ClassObjectMembers.kt
+++ b/nj2k/testData/newJ2k/kotlinApiAccess/ClassObjectMembers.kt
@@ -1,5 +1,3 @@
-import kotlinApi.KotlinClass
-import kotlinApi.KotlinClass.Companion
 import kotlinApi.KotlinClass.Companion.staticFun
 import kotlinApi.KotlinClass.Companion.staticProperty
 import kotlinApi.KotlinClass.Companion.staticVar
diff --git a/nj2k/testData/newJ2k/kotlinApiAccess/CorrectNullabilityDetected.kt b/nj2k/testData/newJ2k/kotlinApiAccess/CorrectNullabilityDetected.kt
index 76b5ef3ce96..653a77270ad 100644
--- a/nj2k/testData/newJ2k/kotlinApiAccess/CorrectNullabilityDetected.kt
+++ b/nj2k/testData/newJ2k/kotlinApiAccess/CorrectNullabilityDetected.kt
@@ -1,9 +1,10 @@
-import kotlinApi.*
-import kotlinApi.KotlinClass.Companion
+import kotlinApi.KotlinClass
 import kotlinApi.KotlinClass.Companion.nullableStaticFun
 import kotlinApi.KotlinClass.Companion.nullableStaticVar
 import kotlinApi.KotlinClass.Companion.staticFun
 import kotlinApi.KotlinClass.Companion.staticVar
+import kotlinApi.globalFunction
+import kotlinApi.nullableGlobalFunction
 
 internal class A {
     fun foo(c: KotlinClass): Int {
diff --git a/nj2k/testData/newJ2k/kotlinApiAccess/GlobalGenericFunction.kt b/nj2k/testData/newJ2k/kotlinApiAccess/GlobalGenericFunction.kt
index 464bf49803a..bd96f002407 100644
--- a/nj2k/testData/newJ2k/kotlinApiAccess/GlobalGenericFunction.kt
+++ b/nj2k/testData/newJ2k/kotlinApiAccess/GlobalGenericFunction.kt
@@ -1,4 +1,4 @@
-import kotlinApi.*
+import kotlinApi.globalGenericFunction
 
 internal class C {
     fun foo() {
diff --git a/nj2k/testData/newJ2k/kotlinApiAccess/ObjectMembers.kt b/nj2k/testData/newJ2k/kotlinApiAccess/ObjectMembers.kt
index 3b2db1ba83b..b3177b45cc1 100644
--- a/nj2k/testData/newJ2k/kotlinApiAccess/ObjectMembers.kt
+++ b/nj2k/testData/newJ2k/kotlinApiAccess/ObjectMembers.kt
@@ -1,5 +1,4 @@
 import kotlinApi.KotlinObject
-import kotlinApi.KotlinObject.foo
 import kotlinApi.KotlinObject.property1
 import kotlinApi.KotlinObject.property2
 
diff --git a/nj2k/testData/newJ2k/kotlinApiAccess/StaticImportFromCompanionObject3.kt b/nj2k/testData/newJ2k/kotlinApiAccess/StaticImportFromCompanionObject3.kt
index b287d2509ac..73aa9fb3fba 100644
--- a/nj2k/testData/newJ2k/kotlinApiAccess/StaticImportFromCompanionObject3.kt
+++ b/nj2k/testData/newJ2k/kotlinApiAccess/StaticImportFromCompanionObject3.kt
@@ -1,4 +1,3 @@
-import kotlinApi.KotlinClass
 import kotlinApi.KotlinClass.Companion.staticProperty
 
 internal class C {
diff --git a/nj2k/testData/newJ2k/list/ForEach.kt b/nj2k/testData/newJ2k/list/ForEach.kt
index 0f9a3761851..52a3dc5b286 100644
--- a/nj2k/testData/newJ2k/list/ForEach.kt
+++ b/nj2k/testData/newJ2k/list/ForEach.kt
@@ -1,5 +1,5 @@
 // ERROR: Unresolved reference: LinkedList
-import java.util.*
+import java.util.ArrayList
 
 class ForEach {
     fun test() {
diff --git a/nj2k/testData/newJ2k/list/Lists.kt b/nj2k/testData/newJ2k/list/Lists.kt
index 793eda3824b..d2149e07f7f 100644
--- a/nj2k/testData/newJ2k/list/Lists.kt
+++ b/nj2k/testData/newJ2k/list/Lists.kt
@@ -1,5 +1,5 @@
 // ERROR: Unresolved reference: LinkedList
-import java.util.*
+import java.util.ArrayList
 
 class Lists {
     fun test() {
diff --git a/nj2k/testData/newJ2k/methodCallExpression/collectionsMethods.kt b/nj2k/testData/newJ2k/methodCallExpression/collectionsMethods.kt
index 9521c7623c4..4c831a10bf1 100644
--- a/nj2k/testData/newJ2k/methodCallExpression/collectionsMethods.kt
+++ b/nj2k/testData/newJ2k/methodCallExpression/collectionsMethods.kt
@@ -1,5 +1,3 @@
-import java.util.*
-
 internal class A {
     fun foo(): Map<String, String> {
         val list1: List<String> = emptyList()
diff --git a/nj2k/testData/newJ2k/methodCallExpression/collectionsMethods2.kt b/nj2k/testData/newJ2k/methodCallExpression/collectionsMethods2.kt
index 5e49d79c4c9..e22979d3554 100644
--- a/nj2k/testData/newJ2k/methodCallExpression/collectionsMethods2.kt
+++ b/nj2k/testData/newJ2k/methodCallExpression/collectionsMethods2.kt
@@ -1,5 +1,3 @@
-import java.util.*
-
 internal class A {
     fun foo() {
         val list: List<String?> = listOf(null)
diff --git a/nj2k/testData/newJ2k/methodCallExpression/specialBuiltinMembers.java b/nj2k/testData/newJ2k/methodCallExpression/specialBuiltinMembers.java
index 8411fc716d1..50cb8fd7274 100644
--- a/nj2k/testData/newJ2k/methodCallExpression/specialBuiltinMembers.java
+++ b/nj2k/testData/newJ2k/methodCallExpression/specialBuiltinMembers.java
@@ -14,6 +14,7 @@ class A {
         int f = map.keySet().size();
         int g = map.values().size();
         int h = map.entrySet().size();
+        int i = map.entrySet().iterator().next().getKey() + 1
     }
 
     void bar(List<String> list, HashMap<String, Integer> map) {
@@ -34,10 +35,9 @@ class A {
         }
 
         for (Map.Entry<String, Integer> entry : map.entrySet()) {
+            String key = entry.getKey();
             Integer value = entry.getValue();
-            if (entry.getKey() != null) {
-                println(value + 1)
-            }
+            entry.setValue(value + 1);
         }
     }
 }
diff --git a/nj2k/testData/newJ2k/methodCallExpression/specialBuiltinMembers.kt b/nj2k/testData/newJ2k/methodCallExpression/specialBuiltinMembers.kt
index 3bddfc73295..5a399e1e73f 100644
--- a/nj2k/testData/newJ2k/methodCallExpression/specialBuiltinMembers.kt
+++ b/nj2k/testData/newJ2k/methodCallExpression/specialBuiltinMembers.kt
@@ -1,11 +1,8 @@
-import java.lang.Exception
-import java.lang.RuntimeException
-import java.util.*
-import kotlin.collections.Map.Entry
+import java.util.HashMap
 
 internal enum class E { A, B, C }
 internal class A {
-    fun foo(list: List<String?>, collection: Collection<Int?>, map: Map<Int?, Int?>) {
+    fun foo(list: List<String?>, collection: Collection<Int?>, map: Map<Int, Int?>) {
         val a = "".length
         val b = E.A.name
         val c = E.A.ordinal
@@ -14,15 +11,17 @@ internal class A {
         val f = map.keys.size
         val g = map.values.size
         val h = map.entries.size
+        val i = map.entries.iterator().next().key + 1
     }
 
-    fun bar(list: MutableList<String>, map: HashMap<String?, Int>) {
+    fun bar(list: MutableList<String>, map: HashMap<String, Int>) {
         val c = "a"[0]
         val b = 10.toByte()
         val i = 10.1.toInt()
         val f = 10.1.toFloat()
         val l = 10.1.toLong()
         val s = 10.1.toShort()
+
         try {
             val removed = list.removeAt(10)
             val isRemoved = list.remove("a")
@@ -30,10 +29,11 @@ internal class A {
             System.err.println(e.message)
             throw RuntimeException(e.cause)
         }
-        for ((key, value) in map) {
-            if (key != null) {
-                println(value + 1)
-            }
+
+        for (entry in map.entries) {
+            val key = entry.key
+            val value = entry.value
+            entry.setValue(value + 1)
         }
     }
-}
\ No newline at end of file
+}
diff --git a/nj2k/testData/newJ2k/methodCallExpression/stringMethods.java b/nj2k/testData/newJ2k/methodCallExpression/stringMethods.java
index 09f55897ce9..43aebe80d09 100644
--- a/nj2k/testData/newJ2k/methodCallExpression/stringMethods.java
+++ b/nj2k/testData/newJ2k/methodCallExpression/stringMethods.java
@@ -7,9 +7,9 @@ class A {
         // TODO: new String("original");
         new String(new char[] {'a', 'b', 'c'});
         new String(new char[] {'b', 'd'}, 1, 1);
-        new String(new int[] { 32, 65, 127 }, 0, 3);
+        new String(new int[] {32, 65, 127}, 0, 3);
 
-        byte[] bytes = new byte[] { 32, 65, 100, 81 };
+        byte[] bytes = new byte[] {32, 65, 100, 81};
         Charset charset = Charset.forName("utf-8");
         new String(bytes);
         new String(bytes, charset);
@@ -59,7 +59,7 @@ class A {
 
         s.toString();
         s.toCharArray();
-   }
+    }
 
     void specialMethods() throws Exception {
         String s = "test string";
@@ -76,15 +76,18 @@ class A {
                 2
         );
         s.regionMatches(0, "st", 1, 2);
-        s.matches("\\w+");
         s.replaceAll("\\w+", "---")
-              .replaceFirst("([s-t])", "A$1");
+                .replaceFirst("([s-t])", "A$1");
+        /* TODO
+        s.matches("\\w+");
         useSplit(s.split("\\s+"));
         useSplit(s.split("\\s+", 0));
         useSplit(s.split("\\s+", -1));
         useSplit(s.split("\\s+", 2));
         int limit = 5;
         useSplit(s.split("\\s+", limit));
+        */
+         */
         s.trim();
         s.concat(" another");
 
@@ -131,4 +134,5 @@ class A {
         */
     }
 
-    void useSplit(String[] result) {}
+    void useSplit(String[] result) {
+    }
diff --git a/nj2k/testData/newJ2k/methodCallExpression/stringMethods.kt b/nj2k/testData/newJ2k/methodCallExpression/stringMethods.kt
index e2d33fcc448..d022c5b68c1 100644
--- a/nj2k/testData/newJ2k/methodCallExpression/stringMethods.kt
+++ b/nj2k/testData/newJ2k/methodCallExpression/stringMethods.kt
@@ -1,7 +1,9 @@
 // ERROR: Type mismatch: inferred type is String but Charset was expected
 // ERROR: Type mismatch: inferred type is String but Charset was expected
+// ERROR: Type mismatch: inferred type is kotlin.Comparator<String> /* = java.util.Comparator<String> */ but java.util.Comparator<String?> was expected
 import java.nio.charset.Charset
-import java.util.*
+import java.util.Comparator
+import java.util.Locale
 
 internal class A {
     @Throws(Exception::class)
@@ -69,25 +71,26 @@ internal class A {
         val s = "test string"
         s == "test"
         s.equals(
-                "tesT", ignoreCase = true
-        )
+                "tesT"
+                , ignoreCase = true)
         s.compareTo("Test", ignoreCase = true)
         s.regionMatches(
                 0,
                 "TE",
                 0,
-                2, ignoreCase = true
-        )
+                2
+                , ignoreCase = true)
         s.regionMatches(0, "st", 1, 2)
-        s.matches("\\w+".toRegex())
-        s.replace("\\w+".toRegex(), "---")
-                .replaceFirst("([s-t])".toRegex(), "A$1")
-        useSplit(s.split("\\s+".toRegex()).dropLastWhile { it.isEmpty() }.toTypedArray())
-        useSplit(s.split("\\s+".toRegex()).dropLastWhile { it.isEmpty() }.toTypedArray())
-        useSplit(s.split("\\s+".toRegex()).toTypedArray())
-        useSplit(s.split("\\s+".toRegex(), 2).toTypedArray())
-        val limit = 5
-        useSplit(s.split("\\s+".toRegex(), limit.coerceAtLeast(0)).toTypedArray())
+        s.replace("\\w+".toRegex(), "---").replaceFirst("([s-t])".toRegex(), "A$1")
+        /* TODO
+            s.matches("\\w+");
+            useSplit(s.split("\\s+"));
+            useSplit(s.split("\\s+", 0));
+            useSplit(s.split("\\s+", -1));
+            useSplit(s.split("\\s+", 2));
+            int limit = 5;
+            useSplit(s.split("\\s+", limit));
+            */
         s.trim { it <= ' ' }
         "$s another"
 
@@ -120,19 +123,18 @@ internal class A {
         String(chars, 1, 2)
         String(chars)
         String(chars, 1, 2)
-
-        val order = String.CASE_INSENSITIVE_ORDER
+        val order: Comparator<String?> = String.CASE_INSENSITIVE_ORDER
     }
 
     fun unsupportedMethods() {
         val s = "test string"
         /* TODO:
-        s.indexOf(32);
-        s.indexOf(32, 2);
-        s.lastIndexOf(32);
-        s.lastIndexOf(32, 2);
-        */
+            s.indexOf(32);
+            s.indexOf(32, 2);
+            s.lastIndexOf(32);
+            s.lastIndexOf(32, 2);
+            */
     }
 
-    fun useSplit(result: Array<String>) {}
+    fun useSplit(result: Array<String?>?) {}
 }
\ No newline at end of file
diff --git a/nj2k/testData/newJ2k/mutableCollections/FunctionParameters.kt b/nj2k/testData/newJ2k/mutableCollections/FunctionParameters.kt
index c19b7c11252..fd7a682d7ed 100644
--- a/nj2k/testData/newJ2k/mutableCollections/FunctionParameters.kt
+++ b/nj2k/testData/newJ2k/mutableCollections/FunctionParameters.kt
@@ -1,5 +1,3 @@
-import java.util.*
-
 internal class A<T> {
     fun foo(nonMutableCollection: Collection<String>,
             mutableCollection: MutableCollection<String>,
diff --git a/nj2k/testData/newJ2k/mutableCollections/FunctionParameters2.kt b/nj2k/testData/newJ2k/mutableCollections/FunctionParameters2.kt
index ad3edcba85e..191e21328e2 100644
--- a/nj2k/testData/newJ2k/mutableCollections/FunctionParameters2.kt
+++ b/nj2k/testData/newJ2k/mutableCollections/FunctionParameters2.kt
@@ -1,5 +1,3 @@
-import java.util.*
-
 internal class A {
     fun foo(set: MutableSet<String>) {
         bar(set)
diff --git a/nj2k/testData/newJ2k/mutableCollections/FunctionReturnValue.kt b/nj2k/testData/newJ2k/mutableCollections/FunctionReturnValue.kt
index 2f9ab2b6ca1..95abc37e1c2 100644
--- a/nj2k/testData/newJ2k/mutableCollections/FunctionReturnValue.kt
+++ b/nj2k/testData/newJ2k/mutableCollections/FunctionReturnValue.kt
@@ -1,4 +1,4 @@
-import java.util.*
+import java.util.ArrayList
 
 internal class A {
     fun createCollection(): MutableCollection<String> {
diff --git a/nj2k/testData/newJ2k/mutableCollections/FunctionReturnValue2.kt b/nj2k/testData/newJ2k/mutableCollections/FunctionReturnValue2.kt
index 48208e635a7..16e0d80a52e 100644
--- a/nj2k/testData/newJ2k/mutableCollections/FunctionReturnValue2.kt
+++ b/nj2k/testData/newJ2k/mutableCollections/FunctionReturnValue2.kt
@@ -1,4 +1,4 @@
-import java.util.*
+import java.util.ArrayList
 
 internal class A {
     private val collection: MutableCollection<String>
diff --git a/nj2k/testData/newJ2k/mutableCollections/Iterator.kt b/nj2k/testData/newJ2k/mutableCollections/Iterator.kt
index 890c98d46d7..dbc2e2bfe9d 100644
--- a/nj2k/testData/newJ2k/mutableCollections/Iterator.kt
+++ b/nj2k/testData/newJ2k/mutableCollections/Iterator.kt
@@ -1,9 +1,8 @@
-import java.util.*
+import java.util.HashMap
 
 internal class IteratorTest {
     var mutableMap1: MutableMap<String, String> = HashMap()
     var mutableMap2: MutableMap<String, String> = HashMap()
-
     fun testFields() {
         mutableMap1.values.add("")
         mutableMap2.entries.iterator().remove()
diff --git a/nj2k/testData/newJ2k/mutableCollections/Recursion.kt b/nj2k/testData/newJ2k/mutableCollections/Recursion.kt
index 05bfb5544e3..c03aaf12851 100644
--- a/nj2k/testData/newJ2k/mutableCollections/Recursion.kt
+++ b/nj2k/testData/newJ2k/mutableCollections/Recursion.kt
@@ -1,5 +1,3 @@
-import java.util.*
-
 internal class A {
     fun foo(collection: MutableCollection<String>) {
         bar(collection)
@@ -12,4 +10,4 @@ internal class A {
             collection.add("a")
         }
     }
-}
+}
\ No newline at end of file
diff --git a/nj2k/testData/newJ2k/newClassExpression/newListAndNewMember.kt b/nj2k/testData/newJ2k/newClassExpression/newListAndNewMember.kt
index 11a9ce290b3..6d66872aca5 100644
--- a/nj2k/testData/newJ2k/newClassExpression/newListAndNewMember.kt
+++ b/nj2k/testData/newJ2k/newClassExpression/newListAndNewMember.kt
@@ -1,9 +1,6 @@
 package org.test
 
-import java.util.ArrayList
-
 internal class Member
-
 internal class User {
     fun main() {
         val members: MutableList<Member> = ArrayList()
diff --git a/nj2k/testData/newJ2k/nullability/LocalValReassignment.kt b/nj2k/testData/newJ2k/nullability/LocalValReassignment.kt
index a4005f1751f..dd7709f0e0d 100644
--- a/nj2k/testData/newJ2k/nullability/LocalValReassignment.kt
+++ b/nj2k/testData/newJ2k/nullability/LocalValReassignment.kt
@@ -1,5 +1,4 @@
 internal class A {
-
     /* rare nullable, handle with caution */
     fun nullableString(): String? {
         return if (Math.random() > 0.999) {
diff --git a/nj2k/testData/newJ2k/settings/specifyFieldTypeByDefault.kt b/nj2k/testData/newJ2k/settings/specifyFieldTypeByDefault.kt
index 276d9d6adda..ff26dba613b 100644
--- a/nj2k/testData/newJ2k/settings/specifyFieldTypeByDefault.kt
+++ b/nj2k/testData/newJ2k/settings/specifyFieldTypeByDefault.kt
@@ -1,4 +1,4 @@
-import java.util.*
+import java.util.ArrayList
 
 internal class A {
     private val field1: List<String> = ArrayList()
diff --git a/nj2k/testData/newJ2k/toKotlinClasses/TypeParameterBound.kt b/nj2k/testData/newJ2k/toKotlinClasses/TypeParameterBound.kt
index c370b02557f..7d2746c2ac0 100644
--- a/nj2k/testData/newJ2k/toKotlinClasses/TypeParameterBound.kt
+++ b/nj2k/testData/newJ2k/toKotlinClasses/TypeParameterBound.kt
@@ -1,5 +1,4 @@
 import java.util.ArrayList
 
 internal interface I<T : List<Iterator<String?>?>?>
-
 internal class C : I<ArrayList<Iterator<String?>?>?>
\ No newline at end of file
diff --git a/nj2k/testData/newJ2k/toKotlinClasses/iterableAndIterator2.kt b/nj2k/testData/newJ2k/toKotlinClasses/iterableAndIterator2.kt
index c81587aeee0..d1b048fc229 100644
--- a/nj2k/testData/newJ2k/toKotlinClasses/iterableAndIterator2.kt
+++ b/nj2k/testData/newJ2k/toKotlinClasses/iterableAndIterator2.kt
@@ -2,8 +2,6 @@
 // ERROR: Null can not be a value of a non-null type Iterator<String?>
 package demo
 
-import java.util.*
-
 internal class Test : Iterable<String?> {
     override fun iterator(): Iterator<String?> {
         return null
diff --git a/nj2k/testData/newJ2k/tryStatement/disjunctionType.kt b/nj2k/testData/newJ2k/tryStatement/disjunctionType.kt
index f69e3dc727a..38f247e8c18 100644
--- a/nj2k/testData/newJ2k/tryStatement/disjunctionType.kt
+++ b/nj2k/testData/newJ2k/tryStatement/disjunctionType.kt
@@ -10,6 +10,5 @@ internal class A {
         } catch (e: IOException) {
             e.printStackTrace()
         }
-
     }
 }
\ No newline at end of file
diff --git a/nj2k/testData/newJ2k/tryWithResource/Simple.kt b/nj2k/testData/newJ2k/tryWithResource/Simple.kt
index 866e3fabf4b..092ee31f1d0 100644
--- a/nj2k/testData/newJ2k/tryWithResource/Simple.kt
+++ b/nj2k/testData/newJ2k/tryWithResource/Simple.kt
@@ -4,8 +4,6 @@ import java.io.IOException
 class C {
     @Throws(IOException::class)
     internal fun foo() {
-        ByteArrayInputStream(ByteArray(10)).use { stream ->
-            println(stream.read())
-        }
+        ByteArrayInputStream(ByteArray(10)).use { stream -> println(stream.read()) }
     }
 }
\ No newline at end of file
diff --git a/nj2k/testData/newJ2k/tryWithResource/WithReturnInAnonymousClass.kt b/nj2k/testData/newJ2k/tryWithResource/WithReturnInAnonymousClass.kt
index e6ff0724964..49fd4602a04 100644
--- a/nj2k/testData/newJ2k/tryWithResource/WithReturnInAnonymousClass.kt
+++ b/nj2k/testData/newJ2k/tryWithResource/WithReturnInAnonymousClass.kt
@@ -1,4 +1,6 @@
-import java.io.*
+import java.io.ByteArrayInputStream
+import java.io.IOException
+import java.io.InputStream
 
 internal interface I {
     @Throws(IOException::class)
diff --git a/nj2k/testData/newJ2k/tryWithResource/WithReturnInAnonymousClass2.kt b/nj2k/testData/newJ2k/tryWithResource/WithReturnInAnonymousClass2.kt
index 35673b345b7..711f2f4ab00 100644
--- a/nj2k/testData/newJ2k/tryWithResource/WithReturnInAnonymousClass2.kt
+++ b/nj2k/testData/newJ2k/tryWithResource/WithReturnInAnonymousClass2.kt
@@ -1,4 +1,6 @@
-import java.io.*
+import java.io.ByteArrayInputStream
+import java.io.IOException
+import java.io.InputStream
 
 internal interface I {
     @Throws(IOException::class)
diff --git a/nj2k/testData/newJ2k/typeParameters/rawTypeCast.kt b/nj2k/testData/newJ2k/typeParameters/rawTypeCast.kt
index c8defde55b3..62bdf9642e7 100644
--- a/nj2k/testData/newJ2k/typeParameters/rawTypeCast.kt
+++ b/nj2k/testData/newJ2k/typeParameters/rawTypeCast.kt
@@ -1,4 +1,10 @@
-import java.util.*
+// ERROR: Type mismatch: inferred type is Any? but String? was expected
+// ERROR: Type mismatch: inferred type is (CapturedType(*)!!..CapturedType(*)) but String? was expected
+// ERROR: Type mismatch: inferred type is Any? but String? was expected
+// ERROR: Type mismatch: inferred type is (CapturedType(*)!!..CapturedType(*)) but String? was expected
+// ERROR: Type mismatch: inferred type is HashMap<Any?, Any?> but Map<String?, String?> was expected
+import java.util.HashMap
+import java.util.Properties
 
 internal object A {
     fun foo(): Map<String?, String?> {
diff --git a/nj2k/tests/org/jetbrains/kotlin/nj2k/StructuralPsiCompare.kt b/nj2k/tests/org/jetbrains/kotlin/nj2k/StructuralPsiCompare.kt
index 055388331e8..4e6c655a2bf 100644
--- a/nj2k/tests/org/jetbrains/kotlin/nj2k/StructuralPsiCompare.kt
+++ b/nj2k/tests/org/jetbrains/kotlin/nj2k/StructuralPsiCompare.kt
@@ -23,9 +23,6 @@ internal fun KtFile.dumpStructureText(): String {
                 }
                 return
             }
-            if (element is KtImportDirective) {
-                return
-            }
             if (element is PsiComment && (element.text.startsWith("// ERROR") || element.text.startsWith("// !"))) {
                 return
             }