fork(1) download
  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. final static int X = "Main".hashCode();
  11. public static void main (String[] args) throws java.lang.Exception
  12. {
  13. int x = 5;
  14. switch (x) {
  15. case X: System.out.println("hello"); break;
  16. }
  17. }
  18. }
Compilation error #stdin compilation error #stdout 0.1s 320256KB
stdin
Standard input is empty
compilation info
Main.java:15: error: constant expression required
			case X: System.out.println("hello"); break;
			     ^
1 error
stdout
Standard output is empty