Program 4

package javaapplication1;
import java.util.Scanner;
class Shipment {
	public int distance;
public Shipment() {
	Scanner input_data = new Scanner(System.in);
	System.out.println(“Enter distance: “);
	distance = input_data.nextInt();
}
public void show(){
	System.out.println(“Distance: “ + distance);
}
public int give(){
	return distance;
}

class AirShipment extends Shipment {
	public int time;
public AirShipment(){
	Scanner input_data = new Scanner(System.in);
	System.out.println(“Enter time: “);
	time = input_data.nextInt();
}
public int give(){
	return time;
}
public void tell(){
	give();
	System.out.println(“Time is “ + time);
}
public void show(){
	show();
	System.out.println(“Time is “ + time);

public class java9{
	public static void main(String[] args){

}
}