interface Aa{
void say();
}
class XueHao implements Aa{
public void say(){
System.out.println("hello world");
}
}
public class Test{
public static void main(String args[]){
Aa aa;
aa=new XueHao();
aa.say();
}
}
interface Aa{
void say();
}
public class Test{
static class XueHao implements Aa{
public void say(){
System.out.println("hello world");
}
}
public static void main(String args[]){
Aa aa;
aa=new XueHao();
aa.say();
}
}
//内部类
interface Aa{
void say();
}
public class Test{
public static void main(String args[]){
Aa aa;
aa=new Aa(){
public void say(){
System.out.println("hello world");
}
};
aa.say();
}
}
//匿名类