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  1. class Ideone {
  2. 	public static void main(String[] args) {
  3. 		String s1 = "hello";
  4. 		String s2 = "hello";
  5. 		String s3 = String.valueOf("hello");
  6. 		String s4 = new String("hello");
  7. 		System.out.println(s1 == s2);
  8. 		System.out.println(s1 == s3);
  9. 		System.out.println(s1 == s4);
  10. 		System.out.println(s2 == s3);
  11. 		System.out.println(s2 == s4);
  12. 		System.out.println(s3 == s4);
  13. 		s4 = s4.intern();
  14. 		System.out.println(s1 == s4);
  15. 		System.out.println(s2 == s4);
  16. 		System.out.println(s3 == s4);
  17. 	}
  18. }
Success #stdin #stdout 0.07s 380224KB
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Standard input is empty
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true
true
false
true
false
false
true
true
true
https://ideone.com/uCd45D
language:
Java (HotSpot 12)
created:
11 years ago
visibility:
public

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