private String id;//表示學號
private String name;//表示姓名
private char sex;//表示性別
private int age;//表示年齡
private double computer_score;//表示計算機課程的成績
private double english_score;//表示英語課的成績
private double maths_score;//表示數學課的成績
private double total_score;// 表示總成績
private double ave_score; //表示平均成績
public Student(String id, String name){
this.id = id;
this.name = name;
}
public Student(String id, String name, char sex, int age){
this(id, name);
this.sex = sex;
this.age = age;
}
public String getId(){
return id;
}//獲得當前對象的學號，
public double getComputer_score(){
return computer_score;
}//獲得當前對象的計算機課程成績,
public double getMaths_score(){
return maths_score;
}//獲得當前對象的數學課程成績,
public double getEnglish_score(){
return english_score;
}//獲得當前對象的英語課程成績,
public void setId(String id){
this.id=id;
}// 設置當前對象的id值,
public void setComputer_score(double computer_score){
this.computer_score=computer_score;
}//設置當前對象的Computer_score值,
public void setEnglish_score(double english_score){
this.english_score=english_score;
}//設置當前對象的English_score值,
public void setMaths_score(double maths_score){
this.maths_score=maths_score;
}//設置當前對象的Maths_score值,
public double getTotalScore(){
return computer_score+maths_score+english_score;
}// 計算Computer_score, Maths_score 和English_score 三門課的總成績。
public double getAveScore(){
return getTotalScore()/3;
}// 計算Computer_score, Maths_score 和English_score 三門課的平均成績。
}
class Undergraduate extends Student{
private String classID;
public Undergraduate(String id, String name, char sex, int age,String classID){
super(id,name,sex,age);
this.classID=classID;
}
public String getClassID(){
return classID;
}
public void setClassID(String classID){
this.classID=classID;
}
}
class Graduate extends Student{
private String tutor;
public Graduate(String id, String name, char sex, int age,String tutor){
super(id,name,sex,age);
this.tutor=tutor;
}
public double getTotalScore() {
return getComputer_score()+getEnglish_score();
}
public double getAveScore(){
return getTotalScore()/2;
}
}
public class Test {
public static void main(String[] args) {
Undergraduate ug=new Undergraduate("0001", "張三", '男',19, "2083");
ug.setComputer_score(65);
ug.setEnglish_score(75);
ug.setMaths_score(85);
Graduate g=new Graduate("1001","李四",'女',24,"王五");
g.setComputer_score(65);
g.setEnglish_score(75);
g.setMaths_score(85);
Student s[]={ug,g};
for(int i=0;i<s.length;i++){
System.out.println("學號："+s[i].getId()+" 計算機成績："+s[i].getComputer_score()+
" 英語成績："+s[i].getEnglish_score()+" 數學成績："+s[i].getMaths_score()
+" 總成績："+s[i].getTotalScore()+" 平均成績："+s[i].getAveScore());
}
}
}