employee.java

还不错的java基本实例

/*
 * 创建日期 2006-2-1
 *
 * TODO 要更改此生成的文件的模板，请转至
 * 窗口 － 首选项 － Java － 代码样式 － 代码模板
 */
package ch6;
import java.text.*;
import java.util.Random;
public class Employee {
    private String name;
    private double salary;
    private int id;
    private static int nextID;
    private static int number;
    
    
    static 
    {
        Random generator  = new Random();
        nextID = generator.nextInt(1000);
    }
    

    public Employee(String name,double salary){
        this.name = name;
        this.salary=salary;
        number=number+1;
        nextID=nextID+1;
        id=nextID;
        
    }

    public String getName(){
        return name;
    }
    public void setName(String aName){
        name=aName;
    }

    public double getSalary(){
        return salary;
    }
    public void setSalary(double aSalary){
        if(aSalary>0)
        salary=aSalary ;
    }
    
    public int getID(){
        return id;
    }
    public void setID(int aID){
         id=aID;
    }
    
    public static int getNumber(){
        return number;
    }
    
    public static int getNextID(){
        return nextID;
    }
    public void setNextID(int aNextID){
        nextID=aNextID;
   } 

    public String tellAboutSelf(){
        DecimalFormat a=new DecimalFormat("000000");
        String output="编号：   " + a.format(id) + "\n" +
        "姓名：   " + getName() + "\n" +
        "工资：   " + getSalary() +"\n"+
         "税金：   " + Tax.CalculateTax(this)+"\n";
        return output;
    }
}