import java.util.* ;


class Employee1
{
   int id;
}

class Employee2
{
   int id;
   public Employee2()
    {
		System.out.println( "Employee2: Default Constructor" ) ;
	}

}

class Employee3
{
   int id;
   //public Employee3()
    //No default Employee3() constructed
    //by Java
   public Employee3(int idP)
    {
		id = idP ;
		//same as
		this.id = idP ;
		System.out.println( "Employee3: Default Constructor" ) ;
	}

}

class Employee4
{
   int id;
   public Employee4()
    {
		//Calling another constructor
		//must be the first call in the function
		this(1) ;
		System.out.println( "Employee4(): Default Constructor" ) ;
	}

   public Employee4(int idP)
    {
		id = idP ;
		System.out.println( "Employee4():Employee4(int idP) Constructor" ) ;
	}

}


public class Constructor1
{


   public static void main( String args[] )
   {
	   //Class does not have a constructor so java
	   //creates a default no arg constructor that
	   //does nothing.
        Employee1 employee1Object = new Employee1() ;

       //We create a default constructor and call it
        Employee2 employee2Object = new Employee2() ;

        //Can't do. //Java states that you have a constructor
        //that takes an argument . Why don't you use that.
        //Employee3 employee3Object = new Employee3() ;
        //Employee3 employee3Object = new Employee3(1) ;

        //An example of one constructor calling another
        Employee4 employee4Object = new Employee4() ;

   } //public static void main( String args[] )


}