New J2K: rework Java code formatting collecting

#KT-33687 fixed

nj2k/testData/newJ2k/issues/comments.kt

@@ -1,17 +1,12 @@
 // This is an end-of-line comment
-
 /*
 This is a block comment
 */
-
-
 /*doc comment of class*/
 //one line comment of class
 //another one
 /*another doc*/
-internal class C {
-    // This is a class comment
-
+internal class C { // This is a class comment
 
     /**
      * This is a field doc comment.
@@ -21,8 +16,7 @@ internal class C {
     /**
      * This is a function doc comment.
      */
-    fun foo() {
-        /* This is a function comment */
+    fun foo() { /* This is a function comment */
     }
 
     //simple one line comment for function
@@ -43,8 +37,6 @@ internal class C {
     /** of
      */
     //
-
-
     /**
      * different
      */
@@ -55,13 +47,13 @@ internal class C {
     /** of
      */
     //
-
-
     /**
      * different
      */
     //comments
     var l = 0
-    /*two*/ /*comments*//*line*/
+    /*two*/
+    /*comments*/
+    /*line*/
     var z = 0
 }

nj2k/testData/newJ2k/issues/kt-19348.kt

@@ -5,10 +5,6 @@ class TestMutltipleCtorsWithJavadoc
  */(private val x: String?) {
     private var y: String? = null
 
-    // ---
-    // Constructors
-    //
-
     /**
      * Javadoc for 2nd ctor
      * @param x
@@ -17,6 +13,7 @@ class TestMutltipleCtorsWithJavadoc
     constructor(x: String?, y: String?) : this(x) {
         this.y = y
     }
-
-
+    // ---
+// Constructors
+//
 }