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  1. import java.util.*;
  2.  
  3. class Ideone
  4. {
  5. 	public static void main (String[] args) throws java.lang.Exception
  6. 	{
  7. 		String a = "a";
  8. 		String b = null;
  9. 		String c = "b";
  10.  
  11. 		System.out.println(get(a) + get(b));
  12. 		System.out.println(get(a) + get(b) + get(c));
  13. 		System.out.println(get(b));
  14. 	}
  15.  
  16. 	public static String get(String string){
  17. 		return Optional.ofNullable(string).orElse("");
  18. 	}
  19. }
Success #stdin #stdout 0.1s 320576KB
comments (?)
stdin 
Standard input is empty
stdout 
a
ab
https://ideone.com/kvbdh4
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
public

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