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package com.beckham;
/*
* ¶¨ÒåÒ»¸ö½Ó¿Ú
*/
public interface Move {
public void move() ;
}
 
ºËÐĵÄʵÏÖÀà
package com.beckham;
/*
* ×î³õµÄ½Ó¿ÚʵÏÖ
*/
public class Tank implements Move {
public void move() {
System.out.println("̹¿Ë¿ª¶¯.......");
}
}
 
ʵÏÖ·½·¨Ê±¼Ç¼ʱ¼ä
package com.beckham;
public class TankTime implements Move {
// ʵÏÖ×îԭʼµÄ½Ó¿Ú
private Move move;
public TankTime(Move move) {
this.move = move;
}
public void move() {
System.out.println(System.currentTimeMillis());
move.move();
}
}
 
ʵÏÖ·½·¨Ç°ºó¼ÓÈëÈÕÖ¾
package com.beckham;
public class TankLog implements Move {
// ʵÏÖ×îԭʼµÄ½Ó¿Ú
private Move move;
public TankLog(Move move) {
this.move = move;
}
public void move() {
System.out.println("̹¿Ë¿ªÊ¼ÈÕÖ¾......");
move.move();
System.out.println("̹¿Ë½áÊøÈÕÖ¾......");
}
}
 
¾ÛºÏʵÏÖ
package com.beckham;
public class Test {
public static void main(String[] args) {
// ×î³õµÄʵÏÖÀà
Move m = new Tank();
// ×îÀïÃæµÄ´úÀí
TankLog tl = new TankLog(m);
// ÍâÃæµÄ´úÀí
TankTime tt = new TankTime(tl);

//½Ó¿ÚµÄ¾ÛºÏ
tt.move();
}
}
 
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