package?com.Traffic;

public?class?Plane?extends?Trasportation?{
	public?void?methods(){
		int?num=200;
		System.out.println("飛機可以在空中載"+num+"人");
	}
}

package?com.Traffic;

public?class?Buss?extends?Trasportation?{
	public?void?methods(){
		int?num=60;
		System.out.println("汽車可以在路上載"+num+"人");
	}
}

package com.Traffic;

public class Ship extends Trasportation {

public void methods(){

int num=300;

System.out.println("輪船可以在海上載"+num+"人");

}

}

package com.Traffic;

public class Trasportation {

public static void main(String[] args) {

Trasportation obj1=new Trasportation();

Trasportation obj2=new Ship();

Trasportation obj3=new Plane();

Trasportation obj4=new Buss();

obj3.methods();

obj2.methods();

obj4.methods();

}

}