一.类的三大特征

1.封装性

(1).什么是封装

封装就是把抽象出的数据和对数据的操作封装在一起, 数据被保护在内部, 程序的其他部分只有通过被授权的操作(成员方法), 才能对数据进行操作.

(2).访问控制修饰符

Java中提供了四种访问控制修饰符号控制方法和变量的访问权限:

aaarticlea/jpeg;base64,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" alt="" />

(3).包

问题的提出:假设现在有两个程序员共同开发一个项目, 程序员xiaoming希望定义一个类取名为Dog, 程序员xiaoqiang也想定义一个类也叫Dog. 该怎么办呢? (因为同一个包中不能有相同的类)

①包的作用

区分相同名字的类; 当类很多时, 可以很好的管理类; 控制访问范围.

②包的命名规范

小写字母, 比如com.sina.shunran

③包的打包命令

package 包名, 比如package com.sina.shunran

④包的引入命令

import 包名, 比如import java.awt.*;

因此, 上面提出的问题的解决方法就是定义两个包, 然后在各自包下定义Dog类即可.

(4).简单的程序实例

下面给出(3)中所提出问题的解决方案.

首先, 创建的文件目录如下(创建了两个包com.xiaoming和com.xiaoqiang, 以及两个文件Demo7.java, Dog.java)

aaarticlea/jpeg;base64,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" alt="" />

Dog.java的代码:

package com.xiaoqiang;
public class Dog {
public void eat() {
System.out.println("小狗吃骨头");
}
}

Demo7.java的代码:

package com.xiaoming;
//引包
import com.xiaoqiang.*;
public class Demo7 {
public static void main(String[] args) {
//com.xiaoqiang中的Dog类
com.xiaoqiang.Dog dog1=new com.xiaoqiang.Dog();
dog1.eat();
//com.xiaoming中的Dog类
com.xiaoming.Dog dog2=new com.xiaoming.Dog();
dog2.cry();
}
} class Dog {
public void cry() {
System.out.println("小狗叫");
}
}

运行结果:

小狗吃骨头
小狗叫

2.继承性

继承可以解决代码复用, 当多个类存在相同的属性和方法时, 可以从这些类中抽象出父类, 在父类中定义这些属性和方法, 所有子类不需要重新定义这些属性和方法, 只需要通过extends语句来声明继承父类.

aaarticlea/jpeg;base64,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" alt="" />

(1).父类的哪些属性, 方法被子类继承了?

aaarticlea/jpeg;base64,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" alt="" />

(2).子类最多只能继承一个父类; Java中所有类都是Object类的子类;

(3).简单的程序实例

public class Demo8 {
public static void main(String[] args) {
B obj=new B();
System.out.println(obj.a0);
System.out.println(obj.a1);
System.out.println(obj.a3);
}
} class A {
int a0=0;
public int a1=1;
private int a2=2;
protected int a3=3;
} class B extends A { }

运行结果:

0
1
3

3.多态性

3.1.方法重载

(1).方法重载的注意事项

①方法重载指的是同一个类中的方法重载, 方法名要相同;

②方法的参数类型, 参数个数, 顺序至少有一项不同;

③方法的返回类型可以不同;

④如果只是返回类型不一样,是不能构成重载的;

⑤如果只是控制访问修饰符不一样,是不能构成重载的.

(2).简单的程序实例

public class Demo9 {
public static void main(String[] args) {
ABC obj=new ABC();
System.out.println(obj.getMax(12, 10));
System.out.println(obj.getMax(12.2f, 10.3f));
}
} //如果只是返回类型不一样,是不能构成重载的
//如果只是控制访问修饰符不一样,是不能构成重载的
class ABC{
public int getMax(int a,int b){
return a>=b ? a : b;
}
public float getMax(float a,float b){
return a>=b ? a : b;
}
}

运行结果:

12
12.2

3.2.方法覆盖

(1).方法覆盖的注意事项

①方法覆盖指的是子类对父类中的方法的覆盖;

②子类的方法的返回类型, 参数, 方法名称要和父类方法的返回类型, 参数, 方法名称完全一样;

③子类方法不能缩小父类方法的访问权限.

(2).简单的程序实例

public class Demo10 {
public static void main(String[] args) {
Pig pig=new Pig();
pig.cry(); Dog dog=new Dog();
dog.cry();
}
} class Animal{
public void cry(){
System.out.println("不知道怎么叫唤");
}
} class Pig extends Animal{
//@override
public void cry() {
System.out.println("猪叫");
}
} class Dog extends Animal{
//@override
public void cry() {
System.out.println("狗叫");
}
}

运行结果:

猪叫
狗叫

3.3.多态性

所谓多态, 就是指一个引用在不同情况下的多种状态. 多态是指通过指向父类的指针, 来调用在不同子类中实现的方法.

public class Demo11 {
public static void main(String[] args) {
Master m1=new Master();
m1.feed(new Anim(), new Food());
System.out.println(); m1.feed(new Ca(), new Fish());
System.out.println(); m1.feed(new Do(), new Bone());
System.out.println();
}
} //父类
class Anim {
public void eat() {
System.out.print("动物吃");
}
}
//子类
class Ca extends Anim {
public void eat() {
System.out.print("猫吃");
}
}
//子类
class Do extends Anim {
public void eat() {
System.out.print("狗吃");
}
}
//父类
class Food {
public void showName() {
System.out.print("食物");
}
}
//子类
class Fish extends Food {
public void showName() {
System.out.print("鱼");
}
}
//子类
class Bone extends Food {
public void showName() {
System.out.print("骨头");
}
} class Master {
public void feed(Anim an, Food fo){
an.eat();
fo.showName();
}
}

运行结果:

动物吃食物
猫吃鱼
狗吃骨头

二.抽象类

(1).抽象类的注意事项

①当父类的一些方法不能确定时, 可以用abstract关键字来修饰该方法(抽象方法), 用abstract来修饰该类(抽象类);

②抽象类是不可以实例化的.

③用abstract关键字来修饰一个类时, 这个类叫抽象类;

④用abstract关键字来修饰一个方法时, 这个方法叫抽象方法;

(2).简单的程序实例

public class Demo12 {
public static void main(String[] args) {
Ostrich obj=new Ostrich();
obj.showName();
}
} //抽象类
abstract class Bird {
String name;
int age;
//抽象方法
abstract public void showName();
} class Ostrich extends Bird {
//@Override
public void showName() {
System.out.println("鸵鸟");
}
}

运行结果:

鸵鸟

三.接口

接口就是给出一些没有内容的方法, 封装到一起, 到某个类要使用的时候, 再根据具体情况把这些方法写出来. 语法如下

aaarticlea/jpeg;base64,/9j/4AAQSkZJRgABAQEAYABgAAD/2wBDAAMCAgMCAgMDAwMEAwMEBQgFBQQEBQoHBwYIDAoMDAsKCwsNDhIQDQ4RDgsLEBYQERMUFRUVDA8XGBYUGBIUFRT/2wBDAQMEBAUEBQkFBQkUDQsNFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBT/wAARCABhAQQDASIAAhEBAxEB/8QAHwAAAQUBAQEBAQEAAAAAAAAAAAECAwQFBgcICQoL/8QAtRAAAgEDAwIEAwUFBAQAAAF9AQIDAAQRBRIhMUEGE1FhByJxFDKBkaEII0KxwRVS0fAkM2JyggkKFhcYGRolJicoKSo0NTY3ODk6Q0RFRkdISUpTVFVWV1hZWmNkZWZnaGlqc3R1dnd4eXqDhIWGh4iJipKTlJWWl5iZmqKjpKWmp6ipqrKztLW2t7i5usLDxMXGx8jJytLT1NXW19jZ2uHi4+Tl5ufo6erx8vP09fb3+Pn6/8QAHwEAAwEBAQEBAQEBAQAAAAAAAAECAwQFBgcICQoL/8QAtREAAgECBAQDBAcFBAQAAQJ3AAECAxEEBSExBhJBUQdhcRMiMoEIFEKRobHBCSMzUvAVYnLRChYkNOEl8RcYGRomJygpKjU2Nzg5OkNERUZHSElKU1RVVldYWVpjZGVmZ2hpanN0dXZ3eHl6goOEhYaHiImKkpOUlZaXmJmaoqOkpaanqKmqsrO0tba3uLm6wsPExcbHyMnK0tPU1dbX2Nna4uPk5ebn6Onq8vP09fb3+Pn6/9oADAMBAAIRAxEAPwD7VorzH4lfH/SPhz4jg8Px+HvE3i/XHtvtk1h4W0w3slrCW2rJL8yhQxDAck/LyBkZ5/8AaV1rxt4e8DWfjHwp4rk8M21gYTeaTNpUE73gmnhjAZ5MmIoGbIAOc+2a7sFw/jMXWw1Gpakq+kJTvZvp8KlJczaSbjbVO9tT52UuW/Vrp/X6nt1Fcf8AEr4j/wDCtdFtNQ/4RjxJ4q8+cQfZfDOn/bJ4/lLb3XcuE+XGfUj1rkh+1B4Qi+E2r+Pr221jTLHSbt9PvtKvbPZqFvdKwXyHi3EK53IRlgAGG4jkDlw+R5jjKUK+HoucZyUVbW8m7JWWqu9NVYLo9dorznw78cNO1fwHrvi3VvDvibwdpmjh3uI/EmmG2ndFQOXjjDMWXnGR3BpPg/8AG61+MtvPc2PhTxVoFkkEVxBeeINOFtDeRyZKtA4dhIMAHI4wwPelVyXMKNKrXqUmoUmoyelk3bS99Xqtr2vqHMrJ9z0ekd1jUsxCqoySTgAUtfG/xNuvE3jjxunifwgfAPifUPC5umbxhqXh++0yw0uBY5FeJtSW+YXTAO6mOON41beX8sgA+HfW3zN6cOfd/wDD/wBf8MfWPh/xloHizT7W/wBD1zTdZsbsuLe50+7jnimKHDhGQkNtIIOOmOa16/PH4dfCv4s+G/Avw58T48L65oFnZW1pBqWkQ2+pavoEHms8klkJpmsmd2wrzLvfDDCkJtH2543uvF1h4Ys7Dwrarquu3e21/te+aJLex+X5rqaMFTJjkiOJfmbAOxSWG9aCp3s76tf1/Vl3srmaV+V30av6f19/krpPo9M1/S9anv4dO1K0v5rCc215HazrI1tMAGMcgUnY2GB2nBwR61fr4N8D/Di91jTdZ8G+BGvpfGU+qzprvxH0DxfqSaTHn5nvpIYZ0ie+fdxaJvCNgyMq8H7Q+Hmm2ejeC9JsLDXrvxPbWsIhXV769+2T3JUkM8k38bbgc+nTjGKTglBSve9v+H9O17MqceV2X/BXa/T8fwOiops0nkxPJtZ9qltqDLHHYD1rx74K/Fy4+Iuv+Pri6TxDp1vp0tsYtB8QaNFYT6crQklQVkZpd+3fl9uNwA4r0MLltfF4atiqfw0uW+/2pKKSsn1fWy03vZPJys0u7sex0V8+aZ+214N1S4s418OeMLeO5FlKtzcaQEhSC5bYtwz+ZgRLJiMv0LH5N4yRreKf2tPC3hPX9a0y48P+K7yLQ702eralYaSZ7PT12owmlkVuIyHOMAv+7b5fu7valwhn0ansXhJc1r2t6Lv3aVt7tLdkqpB7M9torxP4xax4z8M/EDwBrGj+MhB4U1fWLPSLnw+umQOJfM812m+0sC4yqqNoA6ZBrp/ih8cdI+GGpafpTaNr/inXb2JriPR/DNgby6S3U7WndNyhY9xC5J5J4BwccayHF1Vh/qrVV1ouSUea8eVtSUuZRSatq03HzHzateSfyba/NHotFeI+Iv2u/Bmg+F9E16DT9f1yy1awudQiTSbASyQx27ok4lUuvlmMuSxPygRt833d1yy/an8IXfhLXNeey12zTTL6LT49OutPKX2oSzKGthbQbtzecGBTdtJGSQoGa2fC2dqmqjws7N8u3Xm5bW3+LT1Dni3a+v8AT/I9ioryHS/2nfDWoeDPF2vXGj+IdGuPC0Sz6noWrWAttRjjcZjcRs+0hxnHzDoenGW+GP2ndA8W3WvWtl4b8WR3um6a2r2tpdaSYp9YtAxUS2UZbdIGO3G4KTvXvnEPhrOIxnJ4aVoNJvs3ytfJqUXfazve2oc8e/8AX9NHsFFfPn7On7ROrfE/WNZ0rV/C/iqGQ6vfi31K70dYLKzt0f8Ad2ssgbiZR8rKQTu4JNdP4V/aV0Txv8QLnwvofhnxXqUNrfS6dceIYdK/4lcM8a7nV5i+VxwOVGSR2IJ1xnC+a4KvXoTpXdFc0mmnFLWzvpvZ2W7s9CY1YyTa6No9crN1rxNo/htrBdX1ax0tr+5Sysxe3KQm5nbOyKPcRvc4OFGScdK0q+LP21/F8l/47+H+hWPjrSHvLHxTbXUehaHoo1PXdPdbaRhK0RmkWQksNitAvMiHJCnPy0EpTjF9WvzsbqN1J9k39yPsNvEekrr66EdUsxrbWxvF003CfaTAG2mUR53bN3y7sYzxmtCvz01b4aeIvEPxKm0S0i+MWteJbFLfUjqOra7ZjUfD9tO8gmezmi1NLZWnWPyhC8YKruf5goQ/WPwZ8Ry6z8Hb6YQS6dPZPe23ky+KBr9zCyM3E12rv+97lN7bMhc8YDmlCm531X9afl63NZQjzRUXvZffr+O/9Jv1qivnX9nXwn4u8ZfAvwPrl58XvGiXV/pUNxIvl6VPhmXJ/eT2MkjfV3ZvUmr3wDj1uy+Nvxn0zVvF+veKoNPuNLjtv7ZnjKwhrXzGMcUUccUeS3OxFB2gnJyTbp2lKN9v80v1MUrx5kz3yivA/DOryfFn9pvXb7TfGuozeFvBVjawRadod+h027vZxcC4S6Cg+a8YWLCFvkIB4yQffKyton3/AKX3rUclyuwUUUUiTyL4g/BPxHrPjuXxd4I+IVz4E1a9s47HUVOlw6jBdJESYiElI2Mu9xkE5BGAOdzPjV8F/Fvxa8MaboVr8RP7AsUhRdTX+xIbn+0JkZHSXJdTFh0ztU45x0FewUV9NR4jzGhUoVoShz0dIN06UmrKyu3BuXKkuXmb5bLlsQ4Ju/8AX9afoeFfEL9nfxP8SvA3hXS9Y+Iwu9e0W6nuJtSu/D1tPZ34cOqiWwZvKLRqwVWOcfMcZbITQP2Zbvwf8LfFng/QvFlvbPr+qnUjeXXh60nhiRkhWSE2mBCynyjjCqFDABflyfdqK6I8V5tGhHDRqRVOMudR9nStfm59uS1lJtqPwrZJLQq17eX/AAf82eIfCz9nC/8Ahb4L8ZaZZ+MRLrXiIlvtsWjQW9hZuI9itHp6nyckfe6B8KCOKPgP+zXL8HPFGsa/e+J49ZvdQtUs/s2l6NBo9kqKxYM1vAdjyAkgOQCAzDnNe30VFfinNsTTxNOrVTWItz+5BN2tZXUU4pcq92LS023I9nGyXbXdjZFDxsrLvUggqe/tzXy74g/Zs0j4tGTRIfgz4Z+F3hpmj+26vPp2mvrNwobLRWq2vmJAGAAM7S7wCwWMHDj6kor5VOzv/X9euhspNKy/r+vvPm3XP2T9P8O+Km1Lwj4H+G/iLQrtk+0eHPFOh29ubXEbgva3sNtI4DN5ZMc0UvRtrpnFeoa18INP8a6Jouna295pWi2liLabwnoGoNbaWx2BTGzRJFLLEq5QISsbL96LOMehUVTm5Kz/AK/z9XqNzbdz5M+G37LmoeBfCqaRqfwa+Efiu6S5uZv7Tvr9hK6STPIiENpTnCKyoPmPCjGBwPZP2bfhdf8Awd+E1h4Z1OPTYr6K7vLl49IdntkE1zJKiqzRxk7VdV+6Pu8cV6fRQ5tpoc5ud797/n/mQ3sU09lcRW8/2W4eNljn2B/LYjAbaeDg84PXFeGeAfgB4+8J+PNS8Rar8W/7ei1jb/a1l/wjdvbfbNkDRRfOsh8vZlT8gGduD1zXvNFevgc4xeW0atDDOKjVVpXhCTtvo5Rbjqk/da1Se6TWTV7eR4ZH+zH5fhZtG/4SXOfD2j6D5/2D/nwuWm83b5n/AC03bduflxnLdK461+BXjH4heM/ila3fi/UvCvgXVfELfa9Ei0lA+qw+RBukju3+dUbHlnYCp2MOckV9SUV71DjHNqKqNzUpStZuEHytcnvJOLSlaEbPeNrxad2RyK3KtP8AgKx4p8XvgT4u+IutaJNofxJHhPRtFkgurHSxoMN55V1EGCzeYzqx+VsbDleOhqh8Vf2Xbj4nt4a1ebxTax+MNM01NMvNW1Hw7aajbX6D5mf7JNmOJzJlgyn5QzLyCMe9UVyYfirNsIqPsJxj7JNRtTp3tLdSfJeae75+a7131K5V+Fvktfz1PDm/Znebwla6PL4gs4povDWq+H5J7DQ4bOF2vXjYziCJlRNvl8oPvFidwPV/jr9l+w8e2XieK91kpNqdxp17ZS/YklWzuLS38lGeNyVnRuS0bAAhiPevbqKIcV5zTqKrCvZptq0YLeSm9OW1nKKdtrK1rNoUYKO3p+FvyPn7w7+yxd6X8M/HHhS+8TaRcT+JbdLZdR0vwnaaWbdVz95Lcr53JyNxGOcdTXo0fwu2fGOy8ef2nn7N4dbQP7P+z/ezcLN5vmbuPu7du3vnPau7ornxPEeZ4yU5Vqi9/mvaMIr3lGMtIxSV1CK0ttdat3qKUIuK2/4Kf5pHk/w++DXiL4eePdZ1G08eSXPg/Ur+71N/DMukwhlnnO5m+1A7yAxJAwOMD3PI2/7Kup3fxhs/HOteOILv7HqT6lFb6X4ctdNu3PISOW8iPmSoFO1g+d4yDjNfQ1Fbx4pzWFSrWhOKnUjySap003GzW/Je7Td5L3pdW7Iz9lGzXRu/UK8J/aT+G3iD4l6r4LC+E9M8UeEtA1eLWL6xe7je8v8AEcsRt1tp0SAr+9Vtzzr91htyBn3aivlE+VqS6amydrrvp958P3X7DVz428RX+saZ4d8P/DfQHvxqUXhnXdMs9WkuZlI+R3tgj2luxQEwxXUyEOflQZQ/T3wp8Ct4e+GaaXdeFfDfgnV7uJ/7QsvCkKpYmcrsMyAIhO4BThskDC7mxk+hUU3JuDpvZ/1v93lorWNJVZTlzPf+v6vv5njHw6/Z81/4feBdD8NW/wAX/FawaXaJaoLOw0iOEBRj5FlspXA9mkc/7RroPhb8H5vhx4n8aa5d+KL/AMU3viW4tppJ9Rt4IpY1hhESqfISNGPBOQi8YGCQWPo9FNzk22+v/Dmd9LHgfhnSJPhN+03rtjpvgrUYfC3jWxtZ4tR0OwQabaXsAuDcPdFSPKeQNFhyvzkgc4JHvlFFTfRLt/S+5aDk+Z3CiiikSFFFFABRRRQBh+OdQtdK8Iate33iB/Ctnb27SzazEYQ1oo5LjzkePP8AvIw56V8XeNdO8ffEjxP4R03xXr/iPTfDd5DqXiLRXvm0v+1o5bFUktbgrHpsRtGYMGKB3ba5VthDA/afjGfSbTw/Pc63p8mqafbvFM1tDpsuoSF1kUxssESO7MrhWBVSVK7uMZHyv8R/gVb/AB7v4dQ8CfC3T/h9cpLdSSeLPFOhWMX27c+DnTZYZZZTIylhJcJA6AhlLbmViKlduLtpo+zs7P1Ts1106tq3VT5VH3lpf+l8+uj+Wt6/7PHxR8SfEvU/BFx4i8a+JvEE7xW97I/hO+0y+0yCeSCQGDVIbaxintc/NhJN8YYD97uTIv8A7XnxP1vR/EHgpB4Y1TTLWz1K7ZzfeNrDw1Dq0IgZMRXUd6JVAZ432sqkgAEAnFdz8B/Bn/Ci9ItPDenfBO90u63JbX3iDR9Q027ivAGJE8txLLb3EgG9mKmBdmWVEwFB4r9q7wX43+KvjbQV074M6r4k07w2Z2tNTbxDokEFy8yhZM2l5BdK6BUUqXVWBJO0EKa6asoTqLlXu/0/z/DpdDpcvtHzbWf5Pz6v1tvc8Sn+L154q8XeBoLTSLnRRb+IrO6m+xfG+DxDNeIjH/RktZr9UzIxVd5YY984P3zefESz8O/D+78XeLbK78HWFjC9xewakYppbZFJGT9meVWyMEBGY8gYzxX52+Hv2aPjN4Z/si8tPgof7Z0nxDHr1pcnWvD0cfyXPmrC/k28c7Ltym1Z1jBwVjUKEH218ePGVx/wzt4kurq0g8La/qVhPaWGjeJEtLx7i7Kt5dsIUeaK4kk2/JGu/duGVPK061lQvG17vzey8+u3y8xyiqlWMFtt+L9emt36dD1vTdRttX061v7KZbizuolnhmT7rowBVh7EEGrFc18MpNal+HHhd/EltHZeIG0u2OoW0SBFiuPKXzECrwMNkYHAxxXS1jUioTlFdGcMG3FNhRRRWZQUUUUAFFFFABRRRQAUUUUAFFFFABRRRQAUUUUAFFFFABRRRQAUUUUAFFFFABRRRQAUVn6/PqttpFxJollZ6hqigeTbX929rA5yM7pUilZeMnhGyQBxnI+av2jPin8Q/B9r4Qi1KDwz4Fu9Q1cQ2WuW/jeZbWB1id3F2k2nLG8LIrLhg2GZCACAQLVpd2l97sXGDlqvP8Fc+paK8S8GfGPxb8R9dsoPDcvwt1awtZ0bWP7G8azapcJbMGGUVLJAj7sMC5wwVl4zuWLWvi0V+N8ug6V4rMGuWsH2Rvh/rVvFBHqTupkhvbe6VWkCBVk37RKAB80aMMnTkd0u/wDX9f8ADhySd/I9yor5asfFPxbuP2stWtf7N0c/ZvCFvL/wjx8YXY0seZdyD7QD/Z5zN8m3/Vrhf42zgfSLa4ukeGv7V8RyWOhLb2wnv3e7BtrUhcv++dUyinPzsq5HJA6UShyxUr7/AObX6Ete84rpb8Un+pqUU2GaO4hSWJ1lidQyOhyrA8gg9xTqzEFFFFABRRRQAUUUUAFFFFABRRRQAUUUUAFFFFABRRRQAUUUUAFFFFABRRRQAUUUUAFFFFAFHXdd07wxo95q2r30Gm6ZZxma4u7qQRxxIOrMx4ArxC3u/wDhLfH1n8XvEWl6tZeFdAtZrHwzpyaRdXN/M05Cz6hJbRRtLGrIoRFKbghZm27gB77RTi3F3X9X0f3rRdt9Xa1X0t/X9d++217+Ffs36Ve6l40+Lnjq+0nUdKj8Sa7HHp41WyktJ5rK2t0iik8qVVkVWJkIDAHvgZrnvHNlqGq/Frxnd/ETwdL488E+GdES40TTbHw3Ncx3k08x3RpE8ksdxcIsca78JtDscRqST9LUUNu8Wuit32jy/f1LVTWTfV309b2vvtp6HwTofw006zttS8VaJ+z/AA+M/F+pTpeX2gal4U/srSdLsRhVsrY3ogUzhRuM0UMxdwwKqHUj6B+JMejRfsf+JrjR/AlpoukN4envh4T1a0OmRwAoZXjmiiZDGwO4kKynd0YE5r3Ws3XPDGjeJ0tE1nSbHVks7hLu2W+tkmEE6fclTcDtdcnDDkZ4NOcueDp9P6+/5673buONS04zlrb8f8u2mysrWSRjfCbUZtX+FvhC+uNJGhT3GkWkr6WoYC0JhU+UA3IC9MHkY5rq6KKqpLnm5JWuznjHlioroFFFFZlBRRRQAUUUUAFFFFABRRRQAUUUUAFFFFABRRRQAUUUUAFFFFABRRRQB5t40+Leo+Bvij4V8PX3hO4k8L+IZFsYPE8N5GyxagwkZLd7fG8KUiJ83OMkDHUj0mvCP2ubK71nQPh/pGk6oNB8QX/jCwj0zWAvmtYTKkz+cISQs3yI6lG+UhznpXt2mQXNrptpDeXX267jhRJrryxH5zhQGfaOFycnA4GatJOnzdbteuif4Xt93mVUspRS6xT/ABa/G33p7KxZoooqCQooooAKKKKACiiigAooooAKKKKACiiigAooooAKKKKACiiigAooooAKKKKACiiigAooooAKKKKACiiigD4c+O//ACkq+DP/AGC1/nd19x0UVov4MfWX5nXi/wCNH/BD8gooorM5AooooAKKKKACiiigAooooAKKKKACiiigAooooAKKKKACiiigAooooAKKKKACiiigAooooAKKKKACiiigD//Z" alt="" />

(1).接口的注意事项

①接口不能被实例化;

②接口中的所有方法不能有方法体;

③一个类可以实现多个接口;

④接口中可以有变量, 但变量不能用private和protected修饰;

⑤接口中的变量本质都是static的, 不管加不加static修饰;

⑥在Java开发中, 我们经常把常用的变量, 定义在接口中, 作为全局变量使用, 访问形式为 接口名.变量名;

⑦一个接口不能继承其他的类, 但是可以继承别的接口.

(2).简单的程序实例

public class Demo13 {
public static void main(String[] args) {
//计算汽车销售总收入
CarShop carShop=new CarShop();
carShop.sellCar(new BMW());
carShop.sellCar(new CheryQQ());
System.out.println("总收入: "+carShop.getMoney());
//输出全局变量
System.out.println(Car.var);
}
} //汽车接口
interface Car {
//汽车名称
public String getName();
//汽车售价
public int getPrice();
//声明一个全局变量
int var=1;
} //宝马
class BMW implements Car {
//@Override
public String getName() {
return "BMW";
}
//@Override
public int getPrice() {
return 3000000;
}
} //奇瑞QQ
class CheryQQ implements Car {
//@Override
public String getName() {
return "CheryQQ";
}
//@Override
public int getPrice() {
return 2000000;
}
} //汽车出售店
class CarShop {
//售车收入
private int money=0;
//卖出一部车
public void sellCar(Car car) {
System.out.println("车型: "+car.getName()+
"单价: "+car.getPrice());
money+=car.getPrice();
}
//售车总收入
public int getMoney() {
return money;
}
}

运行结果:

车型: BMW单价: 3000000
车型: CheryQQ单价: 2000000
总收入: 5000000
1

(3).实现接口 V.S. 继承类

①Java的继承是单继承的, 也就是一个类最多只能有一个父类, 这种单继承机制可保证类的纯洁性, 比C++中的多继承机制简洁. 但是不可否认, 对子类功能的扩展有一定影响. 所以实现接口可以看作是对继承的一种补充.

②继承是层级式的, 不太灵活. 这种结构修改某个类就会打破这种继承的平衡, 而接口就没有这样的麻烦, 因为他只针对实现接口的类才起作用. 所以, 实现接口可在不打破继承关系的前提下, 对某个类功能扩展, 非常灵活.

四.final关键字

final可以修饰变量或者方法,

(1).当不希望父类的某个方法被子类覆盖时, 可以用final关键字修饰;

(2).当不希望类的某个变量被修改, 可以用final关键字修饰;

(3).当不希望类被继承时, 可以用final关键字修饰.

(4).final修饰的变量又叫常量, 一般用xx_xx_xx来命名;

(5).final修饰的变量在定义时必须赋值, 并且以后不能再赋值.

04-28 14:55