java--匿名内部类
package com.qianfeng.demo6;
/**
* 匿名内部类
* 1、没有名字的内部类
* 2、2种实现方式：实现接口 继承类
*/
public class Outer {
Flyfly3 = new Fly() {
@Override
public void fly() {
System.out.println("Outer.main(...).newFly() {...}.fly()");
}
};
publicstatic void main(String[] args) {
////Xxxx implements Fly Fly fly = new Xxxx();
Fly fly2 = new FlyAnimal();
Fly fly = new Fly() {
@Override
publicvoid fly() {
System.out.println("Outer.main(...).newFly() {...}.fly()");
}
};
fly2.fly();
fly.fly();
//Xxxx extends Father Father father = new Xxxx();
Father father = new Father() {
@Override
publicvoid mthod() {
}
};
Fly fly3 = new Fly() {
@Override
publicvoid fly() {
System.out.println("Outer.main(...).newFly() {...}.fly()");
}
};
Fly fly4 = new FlyAnimal();
}
}
package com.qianfeng.demo6;
public class FlyAnimal implements Fly {
@Override
publicvoid fly() {
}
}
package com.qianfeng.demo6;
public interface Fly {
void fly();
}
package com.qianfeng.demo6;
public class Father {
public void mthod(){};
}