package com.test.adapter;

public class Computer {

 public void show(USB usb){
 usb.recive();
 System.out.println("电脑显示输入的数据");
 }
 
 public static void main(String[] args) {
 Computer c = new Computer();
 USB u = new USBAdapter();
 c.show(u);
 }
}

class KeyBoard{
 public void input(){
 System.out.println("键盘输入数据");
 }

}

/**
 * 适配器接口 
 */
interface USB{
 public void recive();
}

/**
 * 具体的适配器
 */
class USBAdapter extends KeyBoard implements USB{

 public void recive() {
 System.out.println("我是USB适配器，我使圆口的键盘能和USB接口电脑连接");
 super.input();
 }
 
}

package com.test.adapter;

public class Computer {

 public void show(USB usb){
 usb.recive();
 System.out.println("电脑显示输入的数据");
 }
 
 public static void main(String[] args) {
 Computer c = new Computer();
 KeyBoard k = new KeyBoard();
 USB u = new USBAdapter(k);
 c.show(u);
 }
}

class KeyBoard{
 public void input(){
 System.out.println("键盘输入数据");
 }

}

/**
 * 适配器接口 
 */
interface USB{
 public void recive();
}

/**
 * 具体的适配器
 */
class USBAdapter implements USB{

 private KeyBoard k;
 
 public USBAdapter(KeyBoard k) {
 this.k = k;
 }
 
 public void recive() {
 System.out.println("我是USB适配器，我使圆口的键盘能和USB接口电脑连接");
 k.input();
 }
 
}