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  1. class Sprawdzacz
  2. {
  3.     boolean isString(Object o)
  4.     {
  5.         return false;
  6.     }
  7.  
  8.     boolean isString(String s)
  9.     {
  10.         return true;
  11.     }
  12. }
  13.  
  14. class Main
  15. {
  16. 	public static void main (String[] args) throws java.lang.Exception
  17. 	{
  18. 		System.out.println(new Sprawdzacz().isString("ala ma kota"));
  19.         System.out.println(new Sprawdzacz().isString((Object)"ala ma kota"));
  20. 	}
  21. }
Success #stdin #stdout 0.07s 215552KB
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stdin
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Standard input is empty
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true
false
https://ideone.com/q5GzVQ
language:
Java (12.0.1)
created:
11 years ago
visibility:
public

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