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Java Class Q&A » Wrapper Class » behaviour 

1. Java wrapper classes object equality - odd behaviour    stackoverflow.com

Possible Duplicate:
Wrapper class and == operator
It seems as if object equality operator for wrapper classes produces different results depending on whether the wrapped value ...

2. Strange Behaviour Of Wrapper Class    coderanch.com

Hello EveryOne, I was just playing around the wrapper classes and observed some unexpected behaviour. public class HelloWorld { public static void main( String args[] ) { Integer i1 = 100; Integer i2 = 100; System.out.println( "i1 == i2 : " + ( i1 == i2 ) ); } } Output of the above code is unexpected with different values of ...

3. Strange Behaviour Of Wrapper Class    coderanch.com

Hello EveryOne, I was just playing around the wrapper classes and observed some unexpected behaviour. public class HelloWorld { public static void main( String args[] ) { Integer i1 = 100; Integer i2 = 100; System.out.println( "i1 == i2 : " + ( i1 == i2 ) ); } } Output of the above code is unexpected with different values of ...

4. Integer wrapper class behaviour    coderanch.com

5. Integer wrapper class behaviour    coderanch.com

consider the following two cases 1) Integer i3 = 127; Integer i4 = 127; if(i3 == i4) System.out.println("same object"); ----------- 2) Integer i3 = 128; Integer i4 = 128; if(i3 == i4) System.out.println("same object"); ------------- in case 1 we get same object as output. In the second case we don't get same object printed. when the object i3 & i4 is ...

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