本文实例为大家分享了java学生成绩档案管理系统的具体代码，供大家参考，具体内容如下
学生成绩档案管理系统源代码：
student
public class students{
private string name;
private string number;
private int chinascore;
private int mathscore;
private int englishscore;
private int physcore;
public students(string name, string number, int chinascore, int mathscore, int englishscore, int physcore) {
this.name = name;
this.number = number;
this.chinascore = chinascore;
this.mathscore = mathscore;
this.englishscore = englishscore;
this.physcore = physcore;
}
public string getname() {
return name;
}
public void setname(string name) {
this.name = name;
}
public string getnumber() {
return number;
}
public void setnumber(string number) {
this.number = number;
}
public int getchinascore() {
return chinascore;
}
public void setchinascore(int chinascore) {
this.chinascore = chinascore;
}
public int getmathscore() {
return mathscore;
}
public void setmathscore(int mathscore) {
this.mathscore = mathscore;
}
public int getenglishscore() {
return englishscore;
}
public void setenglishscore(int englishscore) {
this.englishscore = englishscore;
}
public int getphyscore() {
return physcore;
}
public void setphyscore(int physcore) {
this.physcore = physcore;
}
}
database
import java.util.arraylist;
import java.util.list;
public class database {
list<students> studentslist = new arraylist<>();
public database() {
studentslist.add(new students("张三", "1", 1, 1, 1, 1));
studentslist.add(new students("李四", "2", 8, 2, 2, 2));
studentslist.add(new students("王五", "3", 1, 3, 3, 3));
studentslist.add(new students("赵六", "4", 6, 4, 4, 4));
}
public list<students> getstudentslist() {
return studentslist;
}
public void setstudentslist(list<students> studentslist) {
this.studentslist = studentslist;
}
}
studentdao
import java.util.list;
import java.util.scanner;
public class studentdao {
database database;
public studentdao(database database) {
this.database = database;
}
//对全部学生信息打印
public void print() {
list<students> list = database.getstudentslist();
system.out.println("学生学号：" + "学生姓名" + " 语文：" + "数学：" + "英语：" + "物理："+"学生总分");
for (students students : database.getstudentslist()) {
int x=students.getchinascore()+students.getmathscore()+students.getenglishscore()+students.getphyscore();
system.out.println("" + students.getnumber() + " " + students.getname() + " " + students.getchinascore()
+ " " + students.getmathscore() + " " + students.getenglishscore() + " " + students.getphyscore()+" "+x);
}
for(int i=0;i<=list.size();i++){
int x=list.get(i).getchinascore()+list.get(i).getmathscore() +list.get(i).getenglishscore()+list.get(i).getphyscore();
system.out.println((i+1)+list.get(i).getnumber()+list.get(i).getname()+list.get(i).getchinascore()+list.get(i).getmathscore() +list.get(i).getenglishscore()+list.get(i).getphyscore() +x);
}
}
//添加新的学生
public void add() {
string number;
string name;
int grade1;
int grade2;
int grade3;
int grade4;
scanner scanner = new scanner(system.in);
system.out.println("输入学生的学号：");
number = scanner.next();
system.out.println("输入学生的姓名：");
name = scanner.next();
system.out.println("输入学生的语文成绩：");
grade1 = scanner.nextint();
system.out.println("输入学生的数学成绩：");
grade2 = scanner.nextint();
system.out.println("输入学生的英语成绩：");
grade3 = scanner.nextint();
system.out.println("输入学生的物理成绩：");
grade4 = scanner.nextint();
students students = new students(name, number, grade1, grade2, grade3, grade4);
list<students> studentslist = database.getstudentslist();
studentslist.add(students);
}
//输入姓名或者学号来查询学生信息
public void searchstudent() {
scanner scanner = new scanner(system.in);
findbynumber();
}
//通过输入学号来查询信息
public void findbynumber() {
scanner scanner = new scanner(system.in);
system.out.println("输入学生的学号：");
string number = scanner.next();
for (students students : database.getstudentslist()) {
if (students.getnumber().equals(number)) {
system.out.println("学生学号：" + students.getnumber() + "学生姓名：" + students.getname()
+ "语文：" + students.getchinascore() + "数学：" + students.getmathscore()
+ "英语：" + students.getenglishscore() + "物理：" + students.getphyscore());
}
}
}
//通过学号来修改科目成绩
public void changescore() {
scanner scanner = new scanner(system.in);
system.out.println("输入学号：");
string number = scanner.next();
students students = null;
for (students a : database.getstudentslist()) {
if (a.getnumber().equals(number)) {
students = a;
}
}
if (students != null) {
system.out.println("查找成功！");
system.out.println("学生学号：" + students.getnumber() + "学生姓名：" + students.getname()
+ "语文：" + students.getchinascore() + "数学：" + students.getmathscore()
+ "英语：" + students.getenglishscore() + "物理：" + students.getphyscore());
system.out.println("输入要修改的语文的成绩：");
int grade1 = scanner.nextint();
system.out.println("输入要修改的数学的成绩：");
int grade2 = scanner.nextint();
system.out.println("输入要修改的英语的成绩：");
int grade3 = scanner.nextint();
system.out.println("输入要修改的物理的成绩：");
int grade4 = scanner.nextint();
students.setchinascore(grade1);
students.setmathscore(grade2);
students.setenglishscore(grade3);
students.setphyscore(grade4);
system.out.println("修改完成！");
system.out.println("学生学号：" + students.getnumber() + "学生姓名：" + students.getname()
+ "语文：" + students.getchinascore() + "数学：" + students.getmathscore()
+ "英语：" + students.getenglishscore() + "物理：" + students.getphyscore());
} else {
system.out.println("未找到该学生!");
}
}
//双向冒泡排序
public list<students> bub(list<students> studentlist) {
list<students> list = database.getstudentslist();
students student = null;
int left = 0, right = database.getstudentslist().size() - 1;
while (left < right) {
for (int i = left + 1; i <= right; i++) {
if (list.get(left).getchinascore() + list.get(left).getmathscore() + list.get(left).getenglishscore() + list.get(left).getphyscore() < list.get(i).getchinascore() + list.get(i).getmathscore() + list.get(i).getenglishscore() + list.get(i).getphyscore()) {
student = list.get(i);
list.set(i, list.get(left));
list.set(left, student);
}
}
left++;
for (int i = right - 1; i >= left; i--) {
if (list.get(right).getchinascore() + list.get(right).getmathscore() + list.get(right).getenglishscore() + list.get(right).getphyscore() > list.get(i).getchinascore() + list.get(i).getmathscore() + list.get(i).getenglishscore() + list.get(i).getphyscore()) {
{
student = list.get(i);
list.set(i, list.get(right));
list.set(right, student);
}
}
right--;
}
}
return list;
}
//希尔排序
public void shellsort () {
list<students> list = database.getstudentslist();
students student = null;
students student1 = null;
int j;
for (int gap = list.size() / 2; gap > 0; gap /= 2) {
for (int i = gap; i < list.size(); i++) {
student = list.get(i);
int tmp = student.getchinascore() + student.getmathscore() + student.getenglishscore() + student.getphyscore();
for (j = i; j >= gap && tmp > list.get(j - gap).getchinascore() + list.get(j - gap).getmathscore() + list.get(j - gap).getenglishscore() + list.get(j - gap).getphyscore(); j -= gap) {
list.set(j, list.get(j - gap));
}
list.set(j, student);
}
}
}
//快速排序
public void quicksort1 ( int left, int right){
list<students> studentslist = database.getstudentslist();
if (left < right) {
int i = left, j = right;
students student = studentslist.get(left);
int x = student.getchinascore() + student.getmathscore() + student.getenglishscore() + student.getphyscore();
while (i < j) {
while ((i < j) && (studentslist.get(j).getchinascore() + studentslist.get(j).getmathscore() + studentslist.get(j).getenglishscore() + studentslist.get(j).getphyscore()) < x) {
j--;
}
if (i < j) {
studentslist.set(i, studentslist.get(j));
i++;
}
while ((i < j) && (studentslist.get(i).getchinascore() + studentslist.get(i).getmathscore() + studentslist.get(i).getenglishscore() + studentslist.get(i).getphyscore() > x)) {
i++;
}
if (i < j) {
studentslist.set(j, studentslist.get(i));
j--;
}
}
studentslist.set(i, student);
quicksort1(left, i - 1);
quicksort1(i + 1, right);
}
}
//堆排序
//移除位在第一个数据的根节点，并做最大堆调整的递归运算
public list<students> heapsort(list<students> studentlist){
list<students> list=studentlist;
int len = list.size();
buildmaxheap(list, len);
for (int i = len - 1; i > 0; i--) {
swap(list, 0, i);
len--;
heapify(list, 0, len);
}
return list;
}
//将堆中的所有数据重新排序堆排序（heapsort）
private void buildmaxheap(list<students> studentlist, int len) {
for (int i = (int) math.floor(len / 2); i >= 0; i--) {
heapify(studentlist, i, len);
}
}
private void heapify(list<students> studentlist, int i, int len) {
int left = 2 * i + 1;
int right = 2 * i + 2;
int largest = i;
if (left < len && studentlist.get(left).getchinascore() + studentlist.get(left).getmathscore() + studentlist.get(left).getenglishscore() + studentlist.get(left).getphyscore()< studentlist.get(largest).getchinascore() + studentlist.get(largest).getmathscore() + studentlist.get(largest).getenglishscore() + studentlist.get(largest).getphyscore()) {
largest = left;
}
if (right < len && studentlist.get(right).getchinascore() + studentlist.get(right).getmathscore() + studentlist.get(right).getenglishscore() + studentlist.get(right).getphyscore()< studentlist.get(largest).getchinascore() + studentlist.get(largest).getmathscore() + studentlist.get(largest).getenglishscore() + studentlist.get(largest).getphyscore()) {
largest = right;
}
if (largest != i) {
swap(studentlist, i, largest);
heapify(studentlist, largest, len);
}
}
private void swap(list<students> studentlist, int i, int j) {
students student=studentlist.get(i);
studentlist.set(i,studentlist.get(j));
studentlist.set(j,student);
}
}
service
import java.util.scanner;
public class service {
private studentdao studentdao;
;
private database database;
public service(database database) {
studentdao = new studentdao(database);
this.database = database;
}
public void start() {
scanner scanner = new scanner(system.in);
system.out.println("1.增加学生信息");
system.out.println("2.浏览学生信息");
system.out.println("3.修改学生成绩");
system.out.println("4.排序学生成绩");
system.out.println("5.学生信息查询");
int choice = scanner.nextint();
switch (choice) {
case 1:
add();
break;
case 2:
studentdao.print();
system.out.println("是否回到主界面0.回到1.不会");
int k=scanner.nextint();
if(k==0) {
start();
}
break;
case 3:
changeit();break;
case 4:
rank();
break;
case 5:
search();break;
}
}
//选择排序方式
public void rank(){
system.out.println("1.希尔排序");
system.out.println("2.冒泡排序");
system.out.println("3.快速排序");
system.out.println("4.堆排序");
system.out.println("输入0返回菜单");
scanner scanner = new scanner(system.in);
int a=scanner.nextint();
switch (a){
case 1:
studentdao.shellsort();
studentdao.print();
system.out.println("是否回到主界面0.回到1.不会");
int p=scanner.nextint();
if(p==0) {
start();
}
break;
case 2:
studentdao.bub(database.getstudentslist());
studentdao.print();
system.out.println("是否回到主界面0.回到1.不会");
int k=scanner.nextint();
if(k==0) {
start();
}
break;
case 3:
studentdao.quicksort1(0,database.getstudentslist().size()-1);
studentdao.print();
system.out.println("是否回到主界面0.回到1.不会");
int o=scanner.nextint();
if(o==0) {
start();
}
break;
case 4:
studentdao.heapsort(database.getstudentslist());
studentdao.print();
system.out.println("是否回到主界面0.回到1.不会");
int k1=scanner.nextint();
if(k1==0) {
start();
}
break;
case 0:start();
break;
}
}
//查找学生信息
public void search(){
studentdao.searchstudent();
scanner scanner=new scanner(system.in);
system.out.println("是否回到主界面0.回到1.不会");
int k=scanner.nextint();
if(k==0) {
start();
}
}
//更改学生信息
public void changeit(){
studentdao.changescore();
system.out.println("是否回到主界面0.回到1.不会");
scanner scanner=new scanner(system.in);
int k=scanner.nextint();
if(k==0) {
start();
}
}
//增加学生
public void add(){
studentdao.add();
system.out.println("是否回到主界面0.回到1.不会");
scanner scanner=new scanner(system.in);
int k=scanner.nextint();
if(k==0) {
start();
}
}
}
text
public class text {
public static void main(string[]args){
database database = new database();
service studentsser=new service(database);
studentsser.start();
}
}
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。
