java数组学生管理系统_java基于数组的学生管理系统

用户类

import java.util.Scanner;

public class Stu_System {

static boolean bool=true;

static Student[] students = new Student[2000];

//主函数

public static void main(String[] args) {

Scanner sc = new Scanner(System.in);

while(bool) {

System.out.println("**** 高校学院管理系统 ****");

System.out.println("**** 1：添加学生信息 ****");

System.out.println("**** 2：查询学生信息 ****");

System.out.println("**** 3：修改学生信息 ****");

System.out.println("**** 4：删除学生信息 ****");

System.out.println("**** 5：打印学生信息 ****");

System.out.println("**** 6：退出 ****");

System.out.println("**** 请输入你要进行的操作(1-6) ****");

if (!sc.hasNextInt()) {

System.out.println("请输入数字\n");

} else {

int flag = sc.nextInt();

switch (flag) {

case 1:

addstu();

break;

case 2:

inquirestu();

break;

case 3:

changestu();

break;

case 4:

deletestu();

break;

case 5:

printstu();

break;

case 6:

bool = false;

break;

default:System.out.println("请输入1-6");

break;

}

}

}

sc.close();

System.out.println("系统关闭");

}

//打印学生信息

private static void printstu() {

for (Student student : students) {

if(student!=null)

System.out.println(student);

}

System.out.println();

}

//删除学生信息

private static void deletestu() {

Scanner sc = new Scanner(System.in);

System.out.println("删除的学生学号:");

if(!sc.hasNextInt())

{

System.out.println("未输入学号");

bool = false;

}else {

int ID = sc.nextInt();

for(int i = 0;i

student类：

public class Student {

private int ID;

private String name;

private String clas;

public Student(int num,String name,String clas)

{

ID = num;

this.name = name;

this.clas = clas;

}

public String getName() {

return name;

}

public String getClas() {

return clas;

}

public void setID(int ID) {

this.ID = ID;

}

public void setName(String name) {

this.name = name;

}

public void setClas(String clas) {

this.clas = clas;

}

public int getID() {

return ID;

}

@Override

public String toString() {

return "Student{" +

"ID=" + ID +

", name='" + name + '\'' +

", clas='" + clas + '\'' +

'}';

}

}