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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. class StudentTest {
  7. public static void main(String[] args) {
  8. Student s1 = new Student("Mohamed", 123);
  9. Student s2= new Student("Ali",100+23);
  10. System.out.println(s1.id);
  11. System.out.println(s2.id);
  12. System.out.println(s1.equals(s2));
  13. }
  14. }
  15. class Student {
  16. String name;
  17. int id;
  18. public Student(String name, int i) {
  19. this.name = name;
  20. id = i;
  21. }
  22. public boolean equals(Student obj){
  23. return id==obj.id;
  24. }
  25. }
  26.  
  27.  
Success #stdin #stdout 0.06s 32272KB
stdin
Standard input is empty
stdout
123
123
true