class Student{
private String name;
private int classA,classB,classC;
public Student(String n,int a,int b,int c){
name=n;
classA=a;
classB=b;
classC=c;
}
public String getName(){
return name;
}
public int getAverage(){
return (classA+classB+classC)/3;
}
}
class UnderGraduate extends Student{
public UnderGraduate(String n,int a,int b,int c){
super(n,a,b,c);
}
public void isPass(Student a1){
if(a1 instanceof UnderGraduate){
UnderGraduate a=(UnderGraduate)a1;
System.out.println(a.getAverage());
}
if(getAverage()>60)
System.out.println("本科生"+getName()+"的三科平均分为:"+getAverage()+
",可以拿到学士学位。");
else
System.out.println("本科生"+getName()+"的三科平均分为:"+getAverage()+
",不能拿到学士学位。");
}
}
class PostGraduate extends Student{
public PostGraduate(String n,int a,int b,int c){
super(n,a,b,c);
}
public void isPass(Student b1){
if(b1 instanceof PostGraduate){
PostGraduate b=(PostGraduate)b1;
System.out.println(b.getAverage());
}
if(getAverage()>80)
System.out.println("研究生"+getName()+"的三科平均分为:"+getAverage()+
",可以拿到硕士学位。");
else
System.out.println("研究生"+getName()+"的三科平均分为:"+getAverage()+
",不可以拿到硕士学位。");
}
}
public class StudentGradeDemo{
public static void main(String[] args){
StudentGradeDemo t=new StudentGradeDemo();
UnderGraduate a2=new UnderGraduate("张三",80,80,80);
PostGraduate b2=new PostGraduate("李四",90,90,90);
a2.isPass(b2);//这里是什么意思我晕了!!
b2.isPass(a2);//这里是什么意思我晕了!!
}
}