【原】接口的语法格式

//A1.java
interface Face1{
    public int i = 8;
    public abstract void meth1();
}
interface Face2{
    abstract void meth2();
}

class A2 implements Face1,Face2{
    public void meth1(){
        System.out.println("实现Face1中的meth1()方法");
        System.out.println(i);
    }
    public void meth2(){
        System.out.println("实现Face2中的meth2()方法");
    }
}
public class A1 {
    public static void main (String[] args){
        new A2().meth1();
        new A2().meth2();
        System.out.println(new A2().i);
    }
    
}