package student;public class StudentXW extends Student{    private String text;     public StudentXW(String  nu,String na,float en,float ma,float co,String d)  {	 super(nu, na, en, ma, co);	 	 this.SumMark=en+ma+co;	 	 this.text=d;  }    public StudentXW(String st)	{this.text=st;}    public String toString()        {        return("學號:"+SNum+"姓名"+SName+"英語成績:"+EMark+                "數學成績:"+MMark+"計算機成績:"+CMark+"總成績:"+SumMark+"職務"+text                );        }    public float testScore()	{         return sum()/3+3;	}}