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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. public static void main (String[] args) throws java.lang.Exception
  11. {
  12. class StaticDemo {
  13. static int a = 42;
  14. static int b = 99;
  15.  
  16. static void callme() {
  17. System.out.println("a = " + a);
  18. }
  19. }
  20. }
  21. }
Compilation error #stdin compilation error #stdout 0.1s 320512KB
stdin
Standard input is empty
compilation info
Main.java:13: error: Illegal static declaration in inner class StaticDemo
        static int a = 42;
                   ^
  modifier 'static' is only allowed in constant variable declarations
Main.java:14: error: Illegal static declaration in inner class StaticDemo
        static int b = 99;
                   ^
  modifier 'static' is only allowed in constant variable declarations
Main.java:16: error: Illegal static declaration in inner class StaticDemo
        static void callme() {
                    ^
  modifier 'static' is only allowed in constant variable declarations
3 errors
stdout
Standard output is empty