JAVA类的构造定义演示例程

/* Author:lxrmido Website:buzhuanggeek.com Edit:GVIM_073 Date:2011/09/10 */ package homework01.top09; import java.util.*; public class Employee{ public String name; public double salary; public Date hireDay; private static long nextID = 0; public Employee(){ name = "Nill" + nextID; nextID ++; salary = 0; hireDay = new Date(); } public Employee(String aname){ this(); name = aname; salary = 0; hireDay = new Date(); } public Employee(String aname, double asalary){ this(); name = aname; salary = asalary; hireDay = new Date(); } public Employee(String aname, double asalary, Date ahireDay){ this(); name = aname; salary = asalary; hireDay = ahireDay; } public void setName(String aname){ this.name = aname; } public void setSalary(double asalary){ this.salary = asalary; } public void setHireDay(Date ahireDay){ this.hireDay = ahireDay; } public String getName(){ return this.name; } public double getSalary(){ return this.salary; } public Date getHireDay(){ return this.hireDay; } public void raiseSalary(double raiseRate){ this.salary *= (raiseRate+1); } }