读书笔记"/>
Adapter patten 读书笔记
将一个类的接口,转换成客户期待的另一个接口。适配器让原本接口不兼容的类可以合作无间。[img][/img]
package pattern;
interface Turkey {
public void gobble();
public void fly();
}
class WildTurkey implements Turkey{
public WildTurkey(){}
public void gobble(){
System.out.println("Gobble gobble");
}
public void fly(){
System.out.println("i am flying a short distance");
}
}
interface DuckInterface{
public void quack();
public void fly();
}
class MallardDuckinterface implements DuckInterface{
public MallardDuckinterface(){}
public void quack(){
System.out.println("quack");
}
public void fly(){
System.out.println("i am fly");
}
}
class TurkeyAdapter implements DuckInterface{
Turkey turkey;
public TurkeyAdapter(Turkey turkey){
turkey=turkey;
}
public void quack(){
turkey.gobble();
}
public void fly(){
for(int i=0;i<5;i++){
turkey.fly();
}
}
}
class DuckAdapter implements Turkey{
DuckInterface duckInterface;
public void DuckAdapter(DuckInterface duckInterface){
duckInterface=duckInterface;
}
public void gobble(){
duckInterface.quack();
}
public void fly(){
duckInterface.fly();
}
}
package pattern;
public class DuckTestDrive {
public static void main(String[] args) {
DuckInterface duck=new MallardDuckinterface();
WildTurkey turkey= new WildTurkey();
DuckInterface turkeyAdapter=new TurkeyAdapter(turkey);
System.out.println("The Turkey says...");
turkey.gobble();
turkey.fly();
System.out.println("\n The Duck says...");
testDuck(duck);
System.out.println("\n The TurkeyAdapter says...");
//testDuck(turkeyAdapter);
turkeyAdapter.quack();
}
static void testDuck(DuckInterface duck){
duck.quack();
duck.fly();
}
}
更多推荐
Adapter patten 读书笔记
发布评论