objectdemo2.java

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public class ObjectDemo2 
{
	public static void main(String[] args) 
	{
		//使用Employee构造方法创建不同对象
		Employee e1 = new Employee();
		Employee e2 = new Employee("Wang Xiao Yue",3000.00,"2005/05/20");
		Employee e3 = new Employee("Xu Guang Yang",1500.00,"2006/05/20");
		
		//显示e1雇员对象的信息
		System.out.println("Show the e1 employee information:");
		System.out.println("name:"+e1.getName());
		System.out.println("salary:"+e1.getSalary());
		System.out.println("hireDay:"+e1.getHireDay()+"\n");
		
		//显示e2雇员对象的信息
		System.out.println("Show the e2 employee information:");
		System.out.println("name:"+e2.getName());
		System.out.println("salary:"+e2.getSalary());
		System.out.println("hireDay:"+e2.getHireDay()+"\n");
		
		//显示e3雇员对象的信息
		System.out.println("Show the e3 employee information:");
		System.out.println("name:"+e3.getName());
		System.out.println("salary:"+e3.getSalary());
		System.out.println("hireDay:"+e3.getHireDay()+"\n");
		
		//改变e1雇员的信息后输出
		System.out.println("Show the e1 employee information after modified:");
		e1.setName("Xu Liang");
		e1.setSalary(2000.00);
		e1.setHireDay("2006/03/01");
		System.out.println("name:"+e1.getName());
		System.out.println("salary:"+e1.getSalary());
		System.out.println("hireDay:"+e1.getHireDay()+"\n");
	}
}

class Employee          //自定义雇员类
{
	private String name;        //雇员姓名
	private double salary;      //雇员薪水
	private String hireDay;		//雇员入职时间
	
	public Employee()           //无参数的构造方法
	{
		name = "admin";
		salary = 1000.00;
		hireDay = "2005/01/01";
	}
	
	//含有参数的构造方法
	public Employee(String name,double salary,String hireDay)
	{
		this.name = name;
		this.salary = salary;
		this.hireDay = hireDay;
	}
	
	//用于获取雇员信息的方法
	public String getName()
	{ return name; }
	public double getSalary()
	{ return salary; }
	public String getHireDay()
	{ return hireDay; }
	
	//用于设置雇员信息的方法
	public void setName(String name)
	{ this.name = name; }
	public void setSalary(double salary)
	{ this.salary = salary; }
	public void setHireDay(String hireDay)
	{ this.hireDay = hireDay; }
}