Rent a house through an agent
A further comprehence about Interface & polimorphism
public class Agent {
//Uniformly tenant(房客)
private OnAgentFinishListener listener;
// The tenant's name
public void setListener(OnAgentFinishListener listener){
this.listener = listener;
}
//Begin to rent a house
public void rentHouse(){
System.out.println("I'm the agent,who is going to rent a house for you");
System.out.println("Here finds the house!");
// Return the house
listener.onFinish("Sea-view room");
}
// Return data uniformly
public interface OnAgentFinishListener{
void onFinish(String des);
}
}
public class Person implements Agent.OnAgentFinishListener {
private String reply;
public void needOneHouse() {
//find an agent to rent a house
Agent xw = new Agent();
// Who 's going to rent a house
xw.setListener(this);
//Begin to rent a house
xw.rentHouse();
}
@Override
public void onFinish(String des) {
Scanner sIn = new Scanner(System.in);
System.out.println(sIn.nextLine() + " " + des);
}
}
public class MyClass {
public static void main(String[] args) {
Person xd = new Person();
xd.needOneHouse();
}
}
