libjava/testsuite/libjava.lang/emptystring.java

   1 public class emptystring
   2 {
   3         public static void main(String[] args)
   4         {
   5                 System.out.println("null".equals(n(0) + ""));
   6                 System.out.println("null".equals("" + n(0)));
   7                 System.out.println("x".equals(n(1) + ""));
   8                 System.out.println("x".equals("" + n(1)));
   9         }
  10
  11         static String n(int i)
  12         {
  13                 if (i==0) return null; else return "x";
  14         }
  15 }