学生信息管理系统java代码
时间: 2023-06-22 10:37:48 浏览: 147
这里给您提供一个简单的学生信息管理系统的Java代码,仅供参考:
```java
import java.util.Scanner;
public class StudentManagementSystem {
static Scanner scanner = new Scanner(System.in);
static int MAX_STUDENTS = 100;
static Student[] students = new Student[MAX_STUDENTS];
static int numStudents = 0;
public static void main(String[] args) {
while (true) {
System.out.println("请输入操作代码:1-添加学生,2-浏览学生,3-修改学生,4-删除学生,5-退出");
int code = scanner.nextInt();
switch (code) {
case 1:
addStudent();
break;
case 2:
viewStudents();
break;
case 3:
modifyStudent();
break;
case 4:
deleteStudent();
break;
case 5:
System.exit(0);
default:
System.out.println("输入错误,请重新输入!");
break;
}
}
}
public static void addStudent() {
if (numStudents >= MAX_STUDENTS) {
System.out.println("学生数量已满,无法添加!");
return;
}
System.out.println("请输入学生姓名:");
String name = scanner.next();
System.out.println("请输入学生年龄:");
int age = scanner.nextInt();
System.out.println("请输入学生性别:");
String gender = scanner.next();
System.out.println("请输入学生班级:");
String clazz = scanner.next();
students[numStudents] = new Student(name, age, gender, clazz);
numStudents++;
System.out.println("学生添加成功!");
}
public static void viewStudents() {
if (numStudents == 0) {
System.out.println("没有学生信息!");
return;
}
System.out.println("学生姓名\t学生年龄\t学生性别\t所在班级");
for (int i = 0; i < numStudents; i++) {
System.out.println(students[i]);
}
}
public static void modifyStudent() {
if (numStudents == 0) {
System.out.println("没有学生信息!");
return;
}
System.out.println("请输入要修改的学生姓名:");
String name = scanner.next();
for (int i = 0; i < numStudents; i++) {
if (students[i].getName().equals(name)) {
System.out.println("请输入学生年龄:");
int age = scanner.nextInt();
System.out.println("请输入学生性别:");
String gender = scanner.next();
System.out.println("请输入学生班级:");
String clazz = scanner.next();
students[i].setAge(age);
students[i].setGender(gender);
students[i].setClazz(clazz);
System.out.println("学生信息修改成功!");
return;
}
}
System.out.println("没有找到该学生!");
}
public static void deleteStudent() {
if (numStudents == 0) {
System.out.println("没有学生信息!");
return;
}
System.out.println("请输入要删除的学生姓名:");
String name = scanner.next();
for (int i = 0; i < numStudents; i++) {
if (students[i].getName().equals(name)) {
for (int j = i; j < numStudents - 1; j++) {
students[j] = students[j + 1];
}
numStudents--;
System.out.println("学生信息删除成功!");
return;
}
}
System.out.println("没有找到该学生!");
}
}
class Student {
private String name;
private int age;
private String gender;
private String clazz;
public Student(String name, int age, String gender, String clazz) {
this.name = name;
this.age = age;
this.gender = gender;
this.clazz = clazz;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public String getGender() {
return gender;
}
public void setGender(String gender) {
this.gender = gender;
}
public String getClazz() {
return clazz;
}
public void setClazz(String clazz) {
this.clazz = clazz;
}
@Override
public String toString() {
return name + "\t\t" + age + "\t\t" + gender + "\t\t" + clazz;
}
}
```
以上代码实现了添加学生、浏览学生、修改学生、删除学生等基本操作。需要注意的是,该代码中的学生信息只是存储在内存中,程序结束后,数据将会丢失。如果需要持久化存储数据,可以使用文件、数据库等方式。