testinterface.java

来自「所学课程的编码。java的基础例子。可以练习java通过这些例子。。」· Java 代码 · 共 22 行

package chap04;

interface I {
    int a = 5;
    int getNum();
}

abstract class Ac implements I {
    private String jobTitle;

    public int getNum() {
       return a;
    }
}

public class TestInterface extends Ac {

    public static void main(String[] args) {
        TestInterface ti = new TestInterface();
        System.out.println(ti.getNum());
    }
}