objectdemo1.java

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public class ObjectDemo1 
{
	//声明三个Employee类的对象
	Employee e1;
	Employee e2;
	Employee e3 = new Employee("Xu Guang Yang",1500.00,"2006/05/20");;
	
	public ObjectDemo1()
	{
		//使用Employee类的构造方法，创建类的对象
		e1 = new Employee();
		e2 = new Employee("Wang Xiao Yue",3000.00,"2005/05/20"); 
	}
	
	public static void main(String[] args) 
	{
		new ObjectDemo1();   //创建主类的对象
	}
}

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";
		System.out.println("Object create success");
	}
	
	//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;
		System.out.println("Object create success");
	}
	
	//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; }
}