package test;

public class PolymorphismTest {	
	public static void main(String[] args) {
		Student[] studentArray = new Student[5];
		studentArray[0] = new Undergraduate("陈建平"); 	 //本科生陈建平
		studentArray[1] = new Undergraduate("鲁向东");  //本科生鲁向东
		studentArray[2] = new Postgraduate("匡晓华"); 	//研究生匡晓华
		studentArray[3] = new Undergraduate("周丽娜");	//本科生周丽娜
		studentArray[4] = new Postgraduate("梁欣欣");	//研究生梁欣欣
		 
		 for (int i=0; i<studentArray.length;i++) {
			 studentArray[i].setCourseScore(0,87);
			 studentArray[i].setCourseScore(1,90);
			 studentArray[i].setCourseScore(2,78);
		 }
	     for (int i=0; i<5 ;i++) {
	    	 studentArray[i].calculateGrade();
		 }
	     System.out.println("姓名" + "     类型" +"    成绩");
		 System.out.println("-----------------------");

		 for (int i=0; i<5 ;i++) {		   
	       System.out.println(studentArray[i].getName( )+"   "+
	    		   studentArray[i].getType( )+"  "+
	    		   studentArray[i].getCourseGrade( ));
		 }
	  }
}