public class StudScore {
String name;
int studentNo;
double score;
public StudScore() {
}
public StudScore(String name, int studentNo, double score) {
this.name = name;
this.studentNo = studentNo;
this.score = score;
}
public void setName(String name) {
this.name = name;
}
public void setStudentNo(int studentNo) {
this.studentNo = studentNo;
}
public void setScore(double score) {
this.score = score;
}
public String getName() {
return name;
}
public int getStudentNo() {
return studentNo;
}
public double getScore() {
return score;
}
public String toString() {
return name + "," + studentNo + "," + score;
}
}
================================================
public interface StudOPeration {
void add(StudScore node);
void listAll();
void search(int index);
int getCounts();
void delete(int index);
void search(String name);
}
==========================================
public class ArrStudent implements StudOPeration {
StudScore stud[] = new StudScore[5];
int count = 0;
String name;
public ArrStudent() {
}
public ArrStudent(int size) {
}
@Override
public void add(StudScore node) {
int i = count;
stud[i] = node;
count++;
if (count == stud.length) {
System.out.println("存储空间已满");
}
}
@Override
public void listAll() {
for (int i = 0; i < count; i++) {
System.out.print(stud[i].name + "\t");
System.out.print(stud[i].studentNo + "\t");
System.out.println(stud[i].score);
}
}
@Override
public void search(int index) {
if (index <= count && index > 0) {
System.out.println("您查找信息是：" + stud[index - 1]);
} else {
System.out.println("输入的序号无效！！");
}
}
@Override
public int getCounts() {
return 0;
}
@Override
public void delete(int index) {
}
@Override
public void search(String name) {
}
}
现在的问题就是实现了StudOPeration，但是如何获取学生记录个数，根据学生序号删除学生的记录，根据学生的姓名查询学生的记录，根据学生的姓名删除学生的记录。这几个不会做了。求大牛解答。跪谢！！
