?? player.java
字號:
package com.javapatterns.chainofresp.flowerpassingthread;
abstract class Player
{
public abstract void handle();
private Player successor;
public Player()
{
successor = null;
}
protected void setSuccessor(Player aSuccessor)
{
successor = aSuccessor;
}
public void next()
{
if (successor != null)
{
successor.handle();
}
else
{
System.out.println("Program terminated.");
}
}
}
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