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Java Tutorial : Java String [intern() method] |
/* * public String intern() * * Returns: * ------- * a string that has the same contents as * this string, but is guaranteed to be * from a pool of unique strings. */ public class InternDemo { public static void main(String[] args) { String s1 = new String("hello"); String s2 = "hello"; /* * returns string from pool, now it will be same as * s2 */ String s3 = s1.intern(); System.out.println(s3); /* * false because reference is different */ System.out.println(s1 == s2); /* * true because reference is same */ System.out.println(s2 == s3); } }
hello false true
https://sites.google.com/site/javaee4321/java/StringDemo_intern_App.zip?attredirects=0&d=1
Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/StringDemo_intern_App
Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/89dfdef018d2970576505c9f498b5e4f28628c35/BasicJava/StringDemo_intern_App/?at=master
See also:
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