设计一个给班级学生成绩排序的java程序，具体要求如下

按照题目要求编写的Java程序如下(注意 以下程序全部放在Mainjava文件中)

class student{

String name;

int score;

public student(String name,int score){

thisname=name;

thisscore=score;

}

String studentInfo(){

return "name="+thisname+",score="+thisscore;

}

}

public class Main{

public static void main(String[] args){

student sty[]=new student[5];

sty[0]=new student("zhangsan",67);

sty[1]=new student("lisi",75);

sty[2]=new student("wangwu",57);

sty[3]=new student("zhaoliu",88);

sty[4]=new student("ruanqi",93);

student stu[]=new student[5];

for(int i=0;i<stylength;i++){

stu[i]=sty[i];

}

for(int i=0;i<stulength-1;i++){

for(int j=0;j<stulength-i-1;j++){

  if(stu[j]score<stu[j+1]score){

   student temp=stu[j];

   stu[j]=stu[j+1];

   stu[j+1]=temp;

  }

}

}

for(int i=0;i<stulength;i++){

Systemoutprintln(stu[i]studentInfo());

}

}

}

public class Student { //定义一个学生类

private int StuNum; //学号

private int Class; //班级

private char Gender; //性别

private int Age; //年龄

public Student(int StuNum, int Class, char Gender, int Age){//构造函数

thisstuNum = StuNum;

thisclass = Class;

thisgender = Gender;

thisage = Age;

}

public int getStuNum() { //获得学号

return StuNum;

}

public int getClass() { //获得班级号

return Class;

}

public char getGender() { //获得性别

return Gender;

}

public void setGender(char Gender) { //修改性别

thisGender = Gender;

}

public int getAge() { //获得年龄

return Age;

}

public void setAge(int Age) { //修改年龄

thisAge = Age;

}

public class Pupil extends Student //小学生

{

//(由于没说派生后要新加什么东西，所以这里写了省略号，如果想在

// 新派生出来的类里加点什么特殊的东西，直接在省略号位置加就行了

// 下同）

}

public class MidSchoolStu extends Student //中学生

{

//

}

public class UnderGraduate extends Student //大学生

{

//

}

public class PostGraduate extends Student //研究生

{

//

}

public class FreshStudent extends UnderGraduate //一年级学生

{

//

}

public class Sophomore extends UnderGraduate //二年级学生

{

//

}

public class Junior extends UnderGraduate //三年级学生

{

//

}

public class Senior extends UnderGraduate //四年级学生

{

//

}

public class Master extends PostGraduate //硕士生

{

//

}

public class Doctor extends PostGraduate //博士生

{

//

}

#include<iostream>

#include<string>

using namespace std;

class student

{

private:

int school_Number;

string name;

double grade;

public:

student(int school_Number,string name,double grade)

{

this->school_Number=school_Number;

this->name=name;

this->grade=grade;

}

void showall()

{

cout<<"the school_Number is "<<school_Number<<endl;

cout<<"the name is "<<name<<endl;

cout<<"the grade is "<<grade<<endl;

}

void change_schoolnumber()

{

cout<<"please input the new schoolNumber"<<endl;

cin>>school_Number;

}

void change_name()

{

cout<<"please input the new name"<<endl;

cin>>name;

}

void change_grade()

{

cout<<"please input the new grade"<<endl;

cin>>grade;

}

};

int main()

{

student man(100,"xiaoming",98);

manshowall();

manchange_schoolnumber();

manchange_name();

manchange_grade();

manshowall();

return 0;

}

实在不知道你的验证访问权限是啥，用C++写的额

return "name = " + name + " stuNum = " + stuNum + " chineseScore = " + chineseScore + " mathScore = " + mathScore + " englishScore = " + englishScore;}//设置姓名public void setName(String name){thisname = name;}//设置学号public void setStuNum(String stuNum){thisstuNum = stuNum;}//设置语文成绩public void setChineseScore(double chineseScore){thischineseScore = chineseScore;}//设置数学成绩public void setMathScore(double mathScore){thismathScore = mathScore;}//设置英语成绩public void setEnglishScore(double englishScore){thisenglishScore = englishScore;}//求总成绩public double getTotalScore(){return chineseScore + mathScore + englishScore;}//求平均成绩

代码已经编译通过

import javautil;

public class MainClass_StudentInfor{

public static void main(String args[]){

boolean e=true;

Student stu=new Student();

Scanner sc=new Scanner(Systemin);

while(e){

Systemoutprintln("\t\t\t\t\t欢迎进入学生信息系统\t\t\t\t\t");

Systemoutprintln("\t\t\t\t\t 1:录入学生的信息\t\t\t\t\t");

Systemoutprintln("\t\t\t\t\t2:输出信息\t\t\t\t\t");

Systemoutprintln("\t\t\t\t\t3:求总分\t\t\t\t\t");

Systemoutprintln("\t\t\t\t\t4求均分\t\t\t\t\t");

Systemoutprintln("\t\t\t\t\t5:成绩排序\t\t\t\t\t");

Systemoutprintln("\t\t\t\t\t6:检索成绩\t\t\t\t\t");

Systemoutprintln("\t\t\t\t\t7:求最大值和最小值\t\t\t\t\t");

Systemoutprintln("\t\t\t\t\t8:结束程序 \t\t\t\t\t");

try{

byte b=scnextByte();

switch(b){

case 1:

stuinputInfo();break;

case 3:

stugetSum();break;

case 4:

stugetAver();break;

case 2:

stuprintInfo();break;

case 5:

stusort();break;

case 6:

stuindex();break;

case 7:

stuindexBL();break;

case 8:

e=false;

}

}

catch(NullPointerException f){

fprintStackTrace();

Systemoutprintln("请正确 *** 作");

}

}

}

}

enum Sex{

男,女

}

class Student{

int number;

Sex a;

String name;

float sum=0;

float average;

float score[];

String subject[]={"高数","英语","C语言"};

void inputInfo(){//录入学生基本信息

Scanner sc=new Scanner(Systemin);

Systemoutprintln("请输入学号 :");

number=scnextInt();

Systemoutprintln("请输入姓名 :");

name=scnext();

Systemoutprintln(" 请输入性别 1:男,2:女");

int x=scnextInt();

if(x==1)

{

a=Sex男;

}

else

{

a=Sex女;

}

Systemoutprintln("请输入高数,英语,c语言的成绩:");

score=new float[3];

for(int i=0;i<=2;i++)

{

score[i]=scnextFloat();

Systemoutprintln(subject[i]+":"+score[i]);

}

}

void printInfo(){//输出学生基本信息

Systemoutprintln("学号:"+number);

Systemoutprintln("姓名:"+name);

Systemoutprintln("性别:"+a);

for(int i=0;i<3;i++){

Systemoutprintln(subject[i]+":"+score[i]);

}

}

void getSum(){

for(int i=0;i<=2;i++)

{

sum=sum+score[i];

}

Systemoutprintln(" 学生的总分:"+sum);

}

void getAver(){

for(int i=0;i<=2;i++){

sum=sum+score[i];

}

average=sum/3;

Systemoutprintln(" 学生的平均成绩:"+average);

}

void sort(){//排序

Arrayssort(score);

Systemoutprintln("学生的成绩排序为："+ArraystoString(score));

}

void index(){//查询成绩

boolean n=true;

while(n){

Scanner sc=new Scanner(Systemin);

Systemoutprintln("请输入，1检索开始，2检索结束");

int m=scnextInt();

switch(m){

case 1:

Systemoutprintln("请输入您要查找那门课的成绩0：高数；1：英语：2：C语言");

Scanner sc1=new Scanner(Systemin);

int c=sc1nextInt();

Systemoutprintln(subject[c]+score[c]);

Systemoutprintln("您是否还要查找其他科目的成绩");

break;

case 2:

n=false;

}

}

}

void indexBL(){

float biggest=0;

float lowest=100;

for(int i=0;i<3;i++){

if(biggest<=score[i]){

biggest=score[i];

}

if(lowest>=score[i]){

lowest=score[i];

}

}

Systemoutprintln("该生的最高成绩是"+biggest);

Systemoutprintln("该生的最低成绩是"+lowest);

}

}

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