javac *.java && java -Xmx200m -Xms200m GcWithoutIterator && java -Xmx200m -Xms200m GcWithIterator

      Without iterator initial:    1396848 of max  201326592
                 Array created:  122600464 of max  201326592
                      After GC:     507816 of max  201326592
   After second array creation:  117044464 of max  186646528


         With iterator initial:    1396824 of max  201326592
                 Array created:  122590760 of max  201326592
                      After GC:  113337720 of max  201326592
Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
	at java.util.Arrays.copyOfRange(Arrays.java:3664)
	at java.lang.String.<init>(String.java:207)
	at java.lang.StringBuilder.toString(StringBuilder.java:407)
	at GcWithIterator.generateLargeStringsArray(GcWithIterator.java:32)
	at GcWithIterator.main(GcWithIterator.java:21)