继承于类java代码

java 类的继承,求大神给代码

public class JIhe {

private String color;

private String dateCreated;

private String filled;

public String getColor() {

return color;

}

public String getDateCreated() {

return dateCreated;

public String getFilled() {

return filled;

public void setColor(String color) {

this.color = color;

public void setFilled(String filled) {

this.filled = filled;

@Override

public String toString() {

return "Color:" + this.color +" filled:" + this.filled + "detaCreated:" + dateCreated;

------------------------------------------------------------------------------------------------------------

public class Circle extends JIhe {

private double radius;

public double getRadius() {

return radius;

public void setRadius(double radius) {

this.radius = radius;

public double getArea() {

public double getPerimeter() {

public double getDiameter() {

-----------------------------------------------------------------------------------------------------

public class Rectangle extends JIhe {

private double width;

private double height;

public double getWidth() {

return width;

public void setWidth(double width) {

this.width = width;

public double getHeight() {

return height;

public void setHeight(double height) {

this.height = height;

public double getArea(){

return this.width * this.height;

public double getPerimeter(){

——————————————————————————————————————

public class Test {

public static void main(String[] args){

Circle circle = new Circle();

circle.setRadius(1.0);

System.out.println(circle.getArea());

System.out.println(circle.getColor());

System.out.println(circle.getDateCreated());

System.out.println(circle.getDiameter());

System.out.println(circle.getFilled());

System.out.println(circle.getPerimeter());

System.out.println(circle.getRadius());

Rectangle r = new Rectangle();

System.out.println(r.getArea());

System.out.println(r.getColor());

System.out.println(r.getDateCreated());

System.out.println(r.getFilled());

System.out.println(r.getHeight());

System.out.println(r.getPerimeter());

System.out.println(r.getWidth());

教我写个继承类的小代码 java

Class instrument{

String name; //乐器的名称

String playStyle;//弹奏风格

public void instruPlay(name,playStyle){//弹奏方法

System.out.println("这个乐器是"+name+",弹奏的风格是"+playStyle);

Class piano extend instrument{

String feeling="钢琴的声音好听！！";//继承了instrument类后,变量就不用再写了,但可以增加一个变量

public void instruPlay("piano","轻音乐"){

System.out.println("这个乐器是"+name+",弹奏的风格是"+playStyle+feeling);

Class violin extend instrument{

String feeling="小提琴的声音也不错！！";

public void instruPlay("violin","melody is happy^_^"){

很久没些java代码了,你测试一下看能不能跑起来,如有问题再问我吧.

JAVA继承问题 求代码

第一个:

public?class?Yaojing?{

protected?String?name;

protected?int?age;

protected?String?gender;

public?void?showBasicInfo()?{

System.out.println(toString());

public?void?eatTangSeng()?{

System.out.println("吃饱了");

public?String?toString()?{

return?"Yaojing?[name="?+?name?+?",?age="?+?age?+?",?gender="?+?gender?+?"]";

第二个类

public?class?Zhizhujing?extends?Yaojing?{

public?void?buildNet(){

System.out.println("蜘蛛在织网");

第三个类

public?class?Baigujing?extends?Yaojing?{

public?void?beBeauty(){

System.out.println("白骨精");

eclipse java中如何继承一个类

继承一个类用关键字 extends 就行了 ,

举个例子： 类A继承类B ?那么java代码就是：

public?class?A?extends?B{

或者你新建类的时候：

file ?-- new -- class 在弹出框中可以直接输入要继承的父类的名字如下图：

求编写一个Java类的继承程序?

E.要求：

(1) Monkey类中有个构造方法：Monkey (String s),并且有个public void speak()

方法,在speak方法中输出"咿咿呀呀......"的信息.

中输出"小样的,不错嘛！会说话了！"的信息.

的信息.

能.、

复制代码

package zhongqiuzuoye;

public class Monkey {

Monkey(String s) //构造

{}

public void speak()

{

System.out.println("咿咿呀呀......");

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