相关疑难解决方法(0)

Class A有run()方法和接口B也有run()方法.问题很简单,哪种run()方法在Main课堂上被覆盖,我们将如何证明这一点？为什么此代码中没有冲突(编译时错误)？

class A{
    void run(){System.out.println("A class");}
}

interface B{
    void run();
}

class Main extends A implements B{
    public static void main(String args[]){         
        Main m = new Main();
        m.run();
    }

    // Overridding method
    public void run(){
        System.out.println("run method");
    }
}

我来到了这种情况:

public interface Intr {
    public void m1();
}

public abstract class Abs {
    public void m1() {
        System.out.println("Abs.m1()");
    }
    // public abstract void m1();
}

public class A extends Abs implements Intr {

    @Override
    public void m1() {
        // which method am I overriding, well it is Abs.m1() but why?
        // if method implemented is Abs.m1(), then why I am not getting error for Intr.m1() not implemented.
    }

}