NonNull annotation on fields makes type non-null

src/org/jetbrains/jet/j2k/Converter.kt

@@ -256,7 +256,7 @@ public open class Converter() {
                     elementToElement(field.getArgumentList()))
         }
 
-        var kType = typeToType(field.getType())
+        var kType = typeToType(field.getType(), isAnnotatedAsNotNull(field.getModifierList()))
         if (field.hasModifierProperty(PsiModifier.FINAL) && isDefinitelyNotNull(field.getInitializer())) {
             kType = kType.convertedToNotNull();
         }

tests/testData/ast/annotations/file/jetbrainsNotNull.kt

@@ -1,6 +1,6 @@
 package test
 public open class Test(str : String) {
-var myStr : String? = "String2"
+var myStr : String = "String2"
 public open fun sout(str : String) : Unit {
 System.out?.println(str)
 }