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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. Employee e = new Employee();
  13. e.mailCheck();
  14. }
  15. }
  16.  
  17. public class Employee implements java.io.Serializable {
  18. public String name;
  19. public String address;
  20. public transient int SSN;
  21. public int number;
  22.  
  23. public void mailCheck() {
  24. System.out.println("Mailing a check to " + name + " " + address);
  25. }
  26. }
Compilation error #stdin compilation error #stdout 0s 0KB
stdin
Standard input is empty
compilation info
Main.java:17: error: class Employee is public, should be declared in a file named Employee.java
public class Employee implements java.io.Serializable {
       ^
1 error
stdout
Standard output is empty