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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	private static boolean test = true;
  11.  
  12. 	public static void main (String[] args) throws java.lang.Exception
  13. 	{
  14. 		// your code goes here
  15. 	}
  16.  
  17. 	public static List<String> foo1() {
  18.     	List<String> retval = bar();
  19.     	if (retval == null)
  20. 	        return Collections.emptyList();
  21. 	    else
  22.         	return retval;
  23. 	}
  24.  
  25. 	public static List<String> foo2() {
  26.     	List<String> retval = bar();
  27.     	return retval == null ? Collections.<String>emptyList() : retval;
  28. 	}
  29.  
  30. 	public static List<String> bar() {
  31. 		test = test ^ true;
  32. 		if (test) {
  33. 			return new ArrayList<String>();
  34. 		} else {
  35. 			return null;
  36. 		}
  37. 	}
  38. }
Success #stdin #stdout 0.07s 380224KB
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https://ideone.com/iun5CB
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
public

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