class PrimaryStudent extends Student{
// TODO
protected int grade;
public PrimaryStudent(String name, int age, int score,int grade) {
super(name, age,score);
this.grade = grade;
}
public int getGrade(){return grade;}
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用户7215980269
class PrimaryStudent extends Student{
// TODO
protected int grade;
public PrimaryStudent(String name, int age, int score,int grade) {
super(name, age,score);
this.grade = grade;
}
public int getGrade(){return grade;}
}