Java 初始 多态

时间:2023-03-10 02:25:44
Java 初始 多态

什么是多态

简单的来说就是具有多种形态的能力的特征

package ten;

public interface Day1 {
public void ring();
} package ten; public class Day2 extends Day3 implements Day4,Day1 { @Override
public void openlock() {
// TODO Auto-generated method stub
System.out.println("...............");
} @Override
public void getlock() {
// TODO Auto-generated method stub
System.out.println("...............");
} @Override
public void open() {
// TODO Auto-generated method stub
System.out.println("...............");
} @Override
public void close() {
// TODO Auto-generated method stub
System.out.println("...............");
} @Override
public void ring() {
// TODO Auto-generated method stub
System.out.println("..........25646+.....");
} } package ten; public abstract class Day3 {
//开门
public abstract void open ();
//关门
public abstract void close();
} package ten; public interface Day4 {
//开锁
public void openlock();
//上锁
public void getlock();
} package ten; public class luge { public static void main(String[] args) {
// TODO Auto-generated method stub
Day2 d = new Day2();
d.getlock();
d.open();
d.openlock();
d.close();
d.ring();
} }