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Using == operator in Java to compare wrapper objects

http://stackoverflow.com/questions/10149959/using-operator-in-java-to-compare-wrapper-objects

that the following code below. Integer i1 1000 Integer i2 1000 if i1 i2 System.out.println different objects Prints output.. code below. Integer i1 1000 Integer i2 1000 if i1 i2 System.out.println different objects Prints output different..

Java Integer: Constant Pool

http://stackoverflow.com/questions/13098143/java-integer-constant-pool

Constants also. So for Integers Integer i1 127 Integer i2 127 System.out.println i1 i2 True Integer i1 new Integer 127.. Integer i1 127 Integer i2 127 System.out.println i1 i2 True Integer i1 new Integer 127 Integer i2 new Integer 127 System.out.println.. i1 i2 True Integer i1 new Integer 127 Integer i2 new Integer 127 System.out.println i1 i2 False Till here everything..

When to use primitive and when reference types in Java

http://stackoverflow.com/questions/2509025/when-to-use-primitive-and-when-reference-types-in-java

created Integer i1 Integer.valueOf 1 Prefer this. Integer i2 new Integer 1 Avoid if not necessary. For more information on..

Check string for palindrome

http://stackoverflow.com/questions/4138827/check-string-for-palindrome

public static boolean istPalindrom char word int i1 0 int i2 word.length 1 while i2 i1 if word i1 word i2 return false .. istPalindrom char word int i1 0 int i2 word.length 1 while i2 i1 if word i1 word i2 return false i1 i2 return true share.. int i1 0 int i2 word.length 1 while i2 i1 if word i1 word i2 return false i1 i2 return true share improve this answer..

Getting XML Node text value with Java DOM

http://stackoverflow.com/questions/773012/getting-xml-node-text-value-with-java-dom

Node.ELEMENT_NODE NodeList nl2 an.getChildNodes for int i2 0 i2 nl2.getLength i2 an2 nl2.item i2 DEBUG PRINTS System.out.println.. NodeList nl2 an.getChildNodes for int i2 0 i2 nl2.getLength i2 an2 nl2.item i2 DEBUG PRINTS System.out.println.. nl2 an.getChildNodes for int i2 0 i2 nl2.getLength i2 an2 nl2.item i2 DEBUG PRINTS System.out.println an2.getNodeName..

How != and == operators work on Integers in Java?

http://stackoverflow.com/questions/9824053/how-and-operators-work-on-integers-in-java

equal. public static void ver2 Integer i1 127 Integer i2 127 if i1 i2 System.out.println Equal Object if i1 i2 System.out.println.. static void ver2 Integer i1 127 Integer i2 127 if i1 i2 System.out.println Equal Object if i1 i2 System.out.println.. i2 127 if i1 i2 System.out.println Equal Object if i1 i2 System.out.println Different objects if i1.equals i2 System.out.println..