将每个雇员的薪水提高5%public class Employee
{
  private String name;
  private double salary;
   
   public Employee(String n,double s)
   {
    name=n;
    salary=s;
    }
   public String getname()
   {
     return name;
   } 
   public double getsalary()
   {
     return salary;
   }
   public void raisesalary(double bypercent)
   {
      double raise=salary*bypercent/100;
      salary+=raise;
   }
}class Employtest
{
    public static void main(String [] args)
    {
       Employee [] staff=new Employee[3];
       staff[0]=new Employee("jay",500);
       staff[1]=new Employee("kay",100);
       staff[2]=new Employee("boo",200);
        for(Employee e : staff)
        e.raisesalary(5);
        for(Employee e : staff)
        System.out.println(("name="+e.getname()+",salary="+e.salary());
    }
}