java中的匿名内部类

package Hello.lrx.deam;
interface Hello{
    void sayHello();
}
public class Main {
    public static void main(String[] args) {
        Hello hello = new Hello() {
            @Override
            public void sayHello() {
                System.out.println("Hello word!!");
            }
        };
        hello.sayHello();
    }

}