Java Programming

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Java-String vs StringBuffer Class

807589Dec 3 2008 — edited Dec 25 2008

Hai Friend

as far as my knowledge String Class contain cannot be changed in the later whereas String Buffer class contains can be changed in the future.

but ,still i am able to change the contain of String Class like

String s1 = new String("Selvakumar");
String s2 = new String("Ravikumar");
String s3 = s1.concat(s2);
System.out.println("output is " + s3);

output is

SelvakumarRavikumar. here how i am geting combined output.

you please explain me clearly

Thanks

Selvakumar

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