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java经典案例.docx

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  • 卖家[上传人]:杏**
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    • java经典案例 请定义一个交通工具(Vehicle)的类,其中有:属性:速度(speed),体积(size)等等方法:移动(move()),设置速度(setSpeed(int speed)),加速speedUp(),减速speedDown()等等.最后在测试类Vehicle中的main()中实例化一个交通工具对象,并通过方法给它初始化speed,size的值,并且通过打印出来另外,调用加速,减速的方法对速度进行改变public class Vehicle{private String name;private String brand;private String color;private int number;public Vehicle(String name;String brand;String color;String number){ =name;this.brand=brand;this.color=color;this.number=number;}public String getName(){return name;}public String getBrand(){return brand;}public String getColor(){return color;}public String getNumber(){return number;}public void setName(String name){ =name;}public void setBrand(String brand){this.brand=brand;}public void setcColor(String color){this.color=color;}public void setNumber(String number){this.number=number;}public void jiasu(){System.out.println("加速!");}public void jiansu(){System.out.println("减速!");}public void move(){System.out.println("移动!");}public void stop(){System.out.println("停止!");}public void toString(){System.out.println("名字"+getName()+"品牌"+getBrand()+"颜色"+getColor+"车牌号"+getNumber());}}class Truck extends Vehicle{private int speed;public Vehicle(String name;String brand;String color;String number,int speed){super(name;brand;color;number);this.speed=speed;}public int getSpeed(){return speed;}public void setSpeed(int speed){this.speed=speed;}public void move(){System.out.println("移动!");}public void stop(){System.out.println("停止!");}public void toString(){System.out.println("名字"+getName()+"品牌"+getBrand()+"颜色"+getColor+"车牌号"+getNumber()+"车速"+getSpeed());}public static void main(String args[]){Vehicle v = new Vehicle("名字","品牌","颜色","车牌号");Truck t = new Truck("名字","品牌","颜色","车牌号",60);v.toString();t.toString();}}编写Java程序,模拟简单的计算器。

      定义名为Number的类,其中有两个整型数据成员n1和n2,应声明为私有编写构造方法,赋予n1和n2初始值,再为该类定义加(addition)、减(subtration)、乘(multiplication)、除(division)等公有成员方法,分别对两个成员变量执行加、减、乘、除的运算在main方法中创建Number类的对象,调用各个方法,并显示计算结果J 请定义一个交通工具(Vehicle)的类,其中有:属性:速度(speed),体积(size)等等方法:移动(move()),设置速度(setSpeed(int speed)),加速speedUp(),减速speedDown()等等.最后在测试类Vehicle中的main()中实例化一个交通工具对象,并通过方法给它初始化speed,size的值,并且通过打印出来另外,调用加速,减速的方法对速度进行改变public class Vehicle{private String name;private String brand;private String color;private int number;public Vehicle(String name;String brand;String color;String number){ =name;this.brand=brand;this.color=color;this.number=number;}public String getName(){return name;}public String getBrand(){return brand;}public String getColor(){return color;}public String getNumber(){return number;}public void setName(String name){ =name;}public void setBrand(String brand){this.brand=brand;}public void setcColor(String color){this.color=color;}public void setNumber(String number){this.number=number;}public void jiasu(){System.out.println("加速!");}public void jiansu(){System.out.println("减速!");}public void move(){System.out.println("移动!");}public void stop(){System.out.println("停止!");}public void toString(){System.out.println("名字"+getName()+"品牌"+getBrand()+"颜色"+getColor+"车牌号"+getNumber());}}class Truck extends Vehicle{private int speed;public Vehicle(String name;String brand;String color;String number,int speed){super(name;brand;color;number);this.speed=speed;}public int getSpeed(){return speed;}public void setSpeed(int speed){this.speed=speed;}public void move(){System.out.println("移动!");}public void stop(){System.out.println("停止!");}public void toString(){System.out.println("名字"+getName()+"品牌"+getBrand()+"颜色"+getColor+"车牌号"+getNumber()+"车速"+getSpeed());}public static void main(String args[]){Vehicle v = new Vehicle("名字","品牌","颜色","车牌号");Truck t = new Truck("名字","品牌","颜色","车牌号",60);v.toString();t.toString();}}编写Java程序,模拟简单的计算器。

      定义名为Number的类,其中有两个整型数据成员n1和n2,应声明为私有编写构造方法,赋予n1和n2初始值,再为该类定义加(addition)、减(subtration)、乘(multiplication)、除(division)等公有成员方法,分别对两个成员变量执行加、减、乘、除的运算在main方法中创建Number类的对象,调用各个方法,并显示计算结果。

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