接口设计（JAVA）

最新推荐文章于 2025-05-22 16:20:07 发布

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public interface moveable {

public void move();
}

public class student extends person implements moveable {

	private double grade;
	public student(String name,int age ,double grade) {
		super(name,age);
		this.grade=grade;
	}
	public void display() {
		System.out.println("学生成绩"+grade);
	}
public void move() {
	System.out.println("每天行走方式移动");
}
}

public class person {

	private String name;
	private int age;
	
	public person(String name,int age) {
		this.name=name;
		this.age=age;
	}
	public void display() {
		System.out.println("姓名"+name);
	}

}

测试类

public class test {

	public static void main(String[] args) {
		
    student s=new student("张三",22,99);
    s.display();
    s.move();
    
    moveable m=new student("张晓",22,99);
    m.move();
	}

}

运行结果