设计一个名为Account的账户类和一个名为Fan的风扇类

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文章数量:1648389

• 风扇类
• 代码

package fan;

/**
 *
 * @author shinan
 */
public class Fan {

    /**
     * @param args the command line arguments
     */
    static int SLOW=1;
    static int MEDIUM=2;
    static int FAST=3;
    private int speed=SLOW;
    private boolean on =false;
    private double radius=5;
    private String color ="blue";
    public Fan(){
        
    }
    public int getSpeed() {
	return speed;
    }
    public void setSpeed(int speed) {
	this.speed = speed;
    }
    public boolean getOn() {
	return on;
    }
    public void setOn(boolean on) {
	this.on = on;
    }
    public double getRadius() {
	return radius;
    }
    public void setRadius(double radius) {
	this.radius = radius;
    }
    public String getColor() {
	return color;
    }
    public void setColor(String color) {
	this.color = color;
    }
    public String tostring(){
        if(on)
            return " speed " + speed  + " color " + color  + " radius " + radius;
        else
            return " fan is off " + " color " + color + " radius " + radius;
    }
public static void main(String[] args) {
        Fan fan1=new Fan();
        fan1.setSpeed(FAST);
        fan1.setRadius(10);
        fan1.setColor("yellow");
        fan1.setOn(true);
        
        Fan fan2=new Fan();
        fan2.setSpeed(MEDIUM);
        
        System.out.println("fan1:" + fan1.tostring());
        System.out.println("fan2:" + fan2.tostring());
    }
    
}

• 运行结果截图
  
• UML图：
  
• 账户类
• 代码

package account;

import java.util.Date;

/**
 *
 * @author shinan
 */
public class Account {

    /**
     * @param args the command line arguments
     */
    private int id=0;
    private double balance=0;
    private double annualInterestRate=0;
    private Date dateCreated;
    public Account() {//无参构造函数
      this.dateCreated=new Date();
      }
    public Account(int id,double balance){
        this.id=id;
        this.balance=balance;
        this.dateCreated=new Date();
    }
public int getId(){
    return id;
}
public void setId(int id){
    this.id=id;
}
public double getBalance(){
    return balance;
}
public void setBalance(int balance){
    this.balance=balance;
}
public double getAnnualInterestRate(){
    return annualInterestRate;
}
public void setAnnualInterestRate(double annualInterestRate){
    this.annualInterestRate=annualInterestRate;
}
public Date getDateCreated(){//dateCreated的访问器
    return dateCreated;
}
public double getMonthlyInterestRate(){//返回月利率
    return annualInterestRate/12;
}
public  void withDraw(double num){//提取特定数额
    balance-=num;
}
public void deposit(double num){//存取特定数额
    balance+=num;
}
    public static void main(String[] args) {
        // TODO code application logic here
        Account account=new Account();
        account.setId(1122);
        account.setId(1122);
        account.setAnnualInterestRate(0.045);
        account.withDraw(2500);
        account.deposit(3000);
        System.out.println("the deposit is "+ account.getBalance());
        System.out.println("the MonthlyInterestRate is "+ account.getMonthlyInterestRate());
        System.out.println("the dateCreated is "+ account.getDateCreated());
    }
}

• 运行结果截图
  
• UML图
  

本文标签： 账户风扇AccountFan