package exp4;

class Undergraduate extends Student {   
    public Undergraduate(String name) 
	{
        super(name,"本科生");		
    }
    public void calculateGrade() {
      int total = 0;
	  double average = 0;
      for (int i = 0; i < CourseNo; i++) {
         total=total+getCourseScore(i); // 累加各门课程成绩
      };
      average = total / CourseNo;
      String currentGrade="";
      if (average>=80&&average<100){ 
    	  currentGrade = "优秀";
      }
	  else if (average>=70&&average<80){ 
		  currentGrade = "良好";
	  }
	   else if (average>=60&&average<70){ 
		   currentGrade = "一般";
	   }
	   else if (average>=50&&average<60){
		   currentGrade = "及格";
	   }	   
	   else{
		   currentGrade = "不及格";
	   }	  
      setCourseGrade(currentGrade);
    }
}