java实现简单学生管理系统项目

本文实例为大家分享了java实现简单学生管理系统的具体代码，供大家参考，具体内容如下

功能：

1.增加学生
2.查看学生
3.根据学号修改学生信息
4.根据学号查看某一个学生信息
5.根据性别查看同性别的所有学生
6.根据学号删除某一个学生
7.按照学号升序排序(默认)
8.按照年龄降序排序

Student 类- - -学生的javabean类

package com.studentByArray.www;

public class Student {
 
 //定义一个Student类{学号、姓名、年龄、性别}
 private String Sno;
 
 private String name;
 
 private int age;
 
 private String sex;
 
 
 
 public Student() {
 super();
 // TODO Auto-generated constructor stub
 }

 public Student(String sno, String name, int age, String sex) {
 super();
 Sno = sno;
 this.name = name;
 this.age = age;
 this.sex = sex;
 }
 
 public String getSno() {
 return Sno;
 }
 public void setSno(String Sno) {
 this.Sno = Sno;
 }
 
 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 getSex() {
 return sex;
 }
 public void setSex(String sex) {
 this.sex = sex;
 }
 @Override
 public String toString() {
 return "Student [Sno=" + Sno + ", name=" + name + ", age=" + age + ", sex=" + sex + "]";
 } 
 

}

StudentOperate 类- - -学生管理系统功能实现类

package com.studentByArray.www;

import java.util.ArrayList;

public class StudentOperate {
 
 ArrayList list = new ArrayList();
 
 //增加学生
 public boolean addStudent(Student student) {
 
 for(int i=0;i selectStuByAge(String sex) {
 ArrayList newStu = new ArrayList();
 for(int i=0;i sortBySno() {
 for(int i=0;i0) {
 Student temp = list.get(j);
 list.set(j, list.get(j+1));
 list.set(j+1, temp);
 
 }
 
 }
 
 }
 return list;
 
 
 }
 
 //按照年龄降序排序
 public ArrayList sortByAge() {
 for(int i=0;i 
 

StudentTest 类- - -操作界面测试类

package com.studentByArray.www;

import java.util.ArrayList;
import java.util.Scanner;

public class StudentTest {
 public static void main(String[] args) {
 
 StudentOperate stuO = new StudentOperate();
 Scanner input = new Scanner(System.in);
 boolean choose = true;
 while(choose) {
 System.out.println("1.增加学生");
 System.out.println("2.查看学生");
 System.out.println("3.根据学号修改学生信息");
 System.out.println("4.根据学号查看某一个学生信息");
 System.out.println("5.根据性别查看同性别的所有学生");
 System.out.println("6.根据学号删除某一个学生");
 System.out.println("7.按照学号升序排序(默认)");
 System.out.println("8.按照年龄降序排序");
 System.out.print("请输入你的选择：");
 int i = input.nextInt();
 switch(i){
 case 1:
 {
 System.out.println("请输入你要增加的学生学号：");
 String sno = input.next();
 System.out.println("请输入要增加的学生姓名：");
 String name = input.next();
 System.out.println("请输入要增加的学生年龄：");
 int age = input.nextInt();
 System.out.println("请输入要增加的学生性别：");
 String sex = input.next();
 Student stu = new Student();
 stu.setSno(sno);
 stu.setName(name);
 stu.setAge(age);
 stu.setSex(sex);
 
 boolean receive = stuO.addStudent(stu);
 if(receive) {
 System.out.println("添加成功！");
 }else {
 System.out.println("输入的学号已存在！");
 }
 System.out.println("请问是否继续：(true/false)");
 choose = input.nextBoolean();
 break;
 }
 case 2:
 {
 stuO.showStudent();
 System.out.println("请问是否继续：(true/false)");
 choose = input.nextBoolean();
 break;
 }
 case 3:
 {
 System.out.println("请输入你要修改的学生学号：");
 String sno = input.next();
 System.out.println("将学生姓名改为：");
 String name = input.next();
 System.out.println("将学生年龄改为：");
 int age = input.nextInt();
 System.out.println("将学生性别改为：");
 String sex = input.next();
 Student stu = new Student();
 stu.setSno(sno);
 stu.setName(name);
 stu.setAge(age);
 stu.setSex(sex);
 
 boolean receive = stuO.updataBySno(stu);
 if(receive) {
 System.out.println("修改成功！");
 }else {
 System.out.println("修改失败！");
 }
 System.out.println("请问是否继续：(true/false)");
 choose = input.nextBoolean();
 break;
 
 
 }
 case 4:
 {
 System.out.println("请输入要查询的学生学号：");
 String sno = input.next();
 Student receive = stuO.showStuBySno(sno);
 if(receive!=null) {
 
// String stu = receive.toString();
 System.out.println(receive);
 }else {
 System.out.println("没有查询到此学生！");
 }
 System.out.println("请问是否继续：(true/false)");
 choose = input.nextBoolean();
 break;
 }
 case 5:
 {
 System.out.println("请输入你要查询的学生性别：");
 String sex = input.next();
 ArrayList newStu= stuO.selectStuByAge(sex);
 System.out.println(newStu);
 System.out.println("请问是否继续：(true/false)");
 choose = input.nextBoolean();
 break;
 }
 case 6:
 {
 System.out.println("请输入要删除的学生学号：");
 String sno = input.next();
 boolean receive = stuO.deleteBySno(sno);
 if(receive) {
 System.out.println("删除成功！");
 }else {
 System.out.println("删除失败！");
 }
 System.out.println("请问是否继续：(true/false)");
 choose = input.nextBoolean();
 break;
 }
 case 7:
 {
 ArrayList stus = stuO.sortBySno();
 System.out.println(stus);
 System.out.println("请问是否继续：(true/false)");
 choose = input.nextBoolean();
 break;
 }
 case 8:
 {
 ArrayList stus = stuO.sortByAge();
 System.out.println(stus);
 System.out.println("请问是否继续：(true/false)");
 choose = input.nextBoolean();
 break;
 }
 
 }
 }
 
 
 }

}

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