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  1. public class Main {
  2. public static void main(String[] args) {
  3. System.out.println("main - begin");
  4. new A();//just for start initialization
  5. System.out.println("main - end");
  6. }
  7. }
  8.  
  9. class A {
  10. static {
  11. System.out.println("A - begin");
  12. B.test();
  13. System.out.println("A - end");
  14. }
  15.  
  16. static void test() {
  17. System.out.println("A");
  18. }
  19. }
  20.  
  21. class B {
  22. static {
  23. System.out.println("B - begin");
  24. A.test();
  25. System.out.println("B - end");
  26. }
  27.  
  28. static void test() {
  29. System.out.println("B");
  30. }
  31. }
Success #stdin #stdout 0.04s 2184192KB
stdin
Standard input is empty
stdout
main - begin
A - begin
B - begin
A
B - end
B
A - end
main - end