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java Programming Glossary: i4Using == operator in Java to compare wrapper objects http://stackoverflow.com/questions/10149959/using-operator-in-java-to-compare-wrapper-objects page they have the following code Integer i3 10 Integer i4 10 if i3 i4 System.out.println same objects Prints output same.. have the following code Integer i3 10 Integer i4 10 if i3 i4 System.out.println same objects Prints output same objects I'm..
Inconsistent behavior on java's == http://stackoverflow.com/questions/1148805/inconsistent-behavior-on-javas inst_test new test int i1 2000 int i2 2000 int i3 2 int i4 2 Integer Ithree new Integer 2 1 Integer Ifour new Integer 2.. 2 2 System.out.println Ithree Ifour inst_test.method i3 i4 inst_test.method i1 i2 public void method Integer i Integer.. have me scratching my head. Why would Java consider i3 and i4 equal but i1 and i2 different Both have been wrapped to Integer..
Java Integer memory allocation http://stackoverflow.com/questions/5323772/java-integer-memory-allocation meaningfully equal Integer i3 10 Integer i4 10 if i3 i4 System.out.println same object if i3.equals i4 System.out.println.. meaningfully equal Integer i3 10 Integer i4 10 if i3 i4 System.out.println same object if i3.equals i4 System.out.println.. i4 10 if i3 i4 System.out.println same object if i3.equals i4 System.out.println meaningfully equal This method runs all of..
Any idea why I need to cast an integer literal to (int) here? http://stackoverflow.com/questions/7900198/any-idea-why-i-need-to-cast-an-integer-literal-to-int-here i compiles Integer i3 Integer 128 Doesn't compile Integer i4 Integer int 128 compiles Integer i4 128 compiles Integer i5.. compile Integer i4 Integer int 128 compiles Integer i4 128 compiles Integer i5 int 128 compiles Integer i6 Integer..
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