13_Constructor in java

class MyMainEmployee{
    private int id;
    private String name;
    private  int salary;

    public MyMainEmployee(){
        id=78;
        name="PM";
    }
public MyMainEmployee(String myName, int myId, int mySalary){
    id=myId;
    name=myName;
    salary=mySalary;
}
    public String getName() {
        return name;
    }
    public void setName(String n){
        name = n;
    }
    public int setId(int i){
        this.id = i;
        return i;
    }
    public int getId(){
        return id;
    }
    public int setSalary(int j){
        this.salary=j;
        return salary;
    }

    public int getSalary() {
        return salary;
    }
}

public class Constructors {
    public static void main(String[] args) {
        MyMainEmployee gg = new MyMainEmployee("NEWT", 89, 10000);
        System.out.println(gg.getId());
        System.out.println(gg.getName());
        System.out.println(gg.getSalary());
    }
}