why concat() is not working here? , java

Posted by soma sekhar on Stack Overflow See other posts from Stack Overflow or by soma sekhar
Published on 2010-05-12T12:39:13Z Indexed on 2010/05/12 12:44 UTC
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String s = "TEST";
String s2 = s.trim();

s.concat("ING");
System.out.println("S = "+s);
System.out.println("S2 = "+s2);

S = TEST
S2 = TEST
BUILD SUCCESSFUL (total time: 0 seconds)

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