Java小测代码及截图

源代码

//20183584
//刘瑞阳
//信1805-3班
package scoreinformation;
import java.util.*;
import java.text.DecimalFormat;
import java.util.Scanner;
import scoreinformation.ScoreInformation;
public class ScoreManagement {
static Scanner in=new Scanner(System.in);
static void display() {
System.out.println("***********************************************************");
System.out.println("\t\t石家庄铁道大学软件工程系 ");
System.out.println("\t\t学生学籍管理系统 2019 版 ");
System.out.println("***********************************************************");
System.out.println("\t\t1、 学生考试成绩录入 ");
System.out.println("\t\t2、 学生考试成绩修改 ");
System.out.println("\t\t3、 计算学生成绩绩点 ");
System.out.println("\t\t4、退出学籍管理系统 ");
System.out.println("***********************************************************");
}
static void displayexit() {
System.out.println("***********************************************************");
System.out.println("\t\t谢谢使用石家庄铁道大学软件工程系学生学籍管理系统 2019 版 ");
System.out.println("\t\t制作人：刘瑞阳 ");
System.out.println("***********************************************************");
System.exit(0);
}

static void displayscorescan() {
System.out.println("***********************************************************");
System.out.println("\t\t石家庄铁道大学软件工程系学生学籍管理系统 2019 版 ");
System.out.println("\t\t学生考试成绩录入 ");
System.out.println("***********************************************************");
System.out.println("\t\t请输入学生学号：XXXXXXXX");
System.out.println("***********************************************************");
scorescan();
}
static void scorescan() {

String str=in.next();
int flag=0;
for(int i=0;i<5;i++) {
if(str.equals(stu[i].getstunumber())) {
System.out.println("学生信息:"+"姓名:"+stu[i].getname()+","+"学号:"+stu[i].getstunumber());
displayscorescan2(i);
flag=1;
}
}
if(flag==0) {
System.out.println("没有此学生！");
displayscorescan();
}
}
static void displayscorescan2(int a) {
System.out.println("***********************************************************");
System.out.println("\t\t石家庄铁道大学软件工程系学生学籍管理系统 2019 版 ");
System.out.println("\t\t学生考试成绩录入 ");
System.out.println("***********************************************************");
System.out.println("\t\t学生学号: "+stu[a].getstunumber());
System.out.println("\t\t学生姓名: "+stu[a].getname());
System.out.println("\t\t请输入高等数学成绩: ");
stu[a].setmathematicsscore(in.nextDouble());
System.out.println("\t\t高等数学成绩:"+stu[a].getmathematicsscore());
System.out.println("\t\t请输入大学英语成绩: ");
stu[a].setenglishiscore(in.nextDouble());
System.out.println("\t\t大学英语成绩:"+stu[a].getenglishiscore());
System.out.println("\t\t请输入计算机网络成绩: ");
stu[a].setnetworkscore(in.nextDouble());
System.out.println("\t\t计算机网络成绩:"+stu[a].getnetworkscore());
System.out.println("\t\t请输入数据库成绩: ");
stu[a].setdatabasescore(in.nextDouble());
System.out.println("\t\t数据库成绩:"+stu[a].getdatabasescore());
System.out.println("\t\t请输入软件工程成绩: ");
stu[a].setsoftwarescore(in.nextDouble());

System.out.println("\t\t软件工程成绩:"+stu[a].getsoftwarescore());

System.out.println("该学生成绩已录入完毕，是否提交(Y/N)");
String tijiao=in.next();
//System.out.println(tijiao);
if(tijiao.equals("Y")) {
//display();
}
else {
stu[a].setmathematicsscore(0);
stu[a].setenglishiscore(0);
stu[a].setnetworkscore(0);
stu[a].setdatabasescore(0);
stu[a].setsoftwarescore(0);
displayscorescan();
}
System.out.println("***********************************************************");
}
static void update() {
System.out.println("***********************************************************");
System.out.println("\t\t石家庄铁道大学软件工程系学生学籍管理系统 2019 版 ");
System.out.println("\t\t学生考试成绩修改界面 ");
System.out.println("***********************************************************");
System.out.println("\t\t请输入学生学号: \t");
System.out.println("***********************************************************");

String str2=in.next();
int flag2=0;
for(int i=0;i<5;i++) {
if(str2.equals(stu[i].getstunumber())) {
System.out.println("***********************************************************");
System.out.println("\t\t石家庄铁道大学软件工程系学生学籍管理系统 2019 版 ");
System.out.println("\t\t学生考试成绩录入 ");
System.out.println("***********************************************************");
System.out.println("\t\t学生学号: "+stu[i].getstunumber());
System.out.println("\t\t学生姓名: "+stu[i].getname());
System.out.println("\t\t1、高等数学成绩:"+stu[i].getmathematicsscore());
System.out.println("\t\t2、大学英语成绩:"+stu[i].getenglishiscore());
System.out.println("\t\t3、计算机网络成绩:"+stu[i].getnetworkscore());
System.out.println("\t\t4、数据库成绩:"+stu[i].getdatabasescore());
System.out.println("\t\t5、软件工程成绩:"+stu[i].getsoftwarescore());
System.out.println("请输入要修改科目对应的序号:");
int b=in.nextInt();
System.out.println("***********************************************************");
System.out.println("\t\t石家庄铁道大学软件工程系学生学籍管理系统 2019 版 ");
System.out.println("\t\t学生考试成绩录入 ");
System.out.println("***********************************************************");
System.out.println("\t\t学生学号: "+stu[i].getstunumber());
System.out.println("\t\t学生姓名: "+stu[i].getname());
double memorymath=stu[i].getmathematicsscore();
double memoryenglish=stu[i].getenglishiscore();
double memorynet=stu[i].getnetworkscore();
double memorydata=stu[i].getdatabasescore();
double memorysoft=stu[i].getsoftwarescore();
switch(b) {
case 1:System.out.println("请输入修改后的高等数学的成绩:");
stu[i].setmathematicsscore(in.nextDouble());
System.out.println("***********************************************************");
break;
case 2:System.out.println("请输入修改后的大学英语的成绩:");
stu[i].setenglishiscore(in.nextDouble());
System.out.println("***********************************************************");
break;
case 3:System.out.println("请输入修改后的计算机网络的成绩:");
stu[i].setnetworkscore(in.nextDouble());
System.out.println("***********************************************************");
break;
case 4:System.out.println("请输入修改后的数据库的成绩:");
stu[i].setdatabasescore(in.nextDouble());
System.out.println("***********************************************************");
break;
case 5:System.out.println("请输入修改后的软件工程的成绩:");

stu[i].setsoftwarescore(in.nextDouble());

System.out.println("***********************************************************");
break;
}
System.out.println("***********************************************************");
System.out.println("\t\t石家庄铁道大学软件工程系学生学籍管理系统 2019 版 ");
System.out.println("\t\t学生考试成绩录入 ");
System.out.println("***********************************************************");
System.out.println("\t\t学生学号: "+stu[i].getstunumber());
System.out.println("\t\t学生姓名: "+stu[i].getname());
System.out.println("\t\t高等数学成绩:"+stu[i].getmathematicsscore());
System.out.println("\t\t大学英语成绩:"+stu[i].getenglishiscore());
System.out.println("\t\t计算机网络成绩:"+stu[i].getnetworkscore());
System.out.println("\t\t数据库成绩:"+stu[i].getdatabasescore());
System.out.println("\t\t软件工程成绩:"+stu[i].getsoftwarescore());
System.out.println("\t\t该学生成绩已修改完毕，是否提交(Y/N) ");
String tijiao=in.next();
if(tijiao.equals("Y")) {
//display();
}
else {
if(b==1)
stu[i].setmathematicsscore(memorymath);
if(b==2)
stu[i].setenglishiscore(memoryenglish);
if(b==3)
stu[i].setnetworkscore(memorynet);
if(b==4)
stu[i].setdatabasescore(memorydata);
if(b==5)
stu[i].setsoftwarescore(memorysoft);
update();
}
System.out.println("***********************************************************");
flag2=1;
}
}
if(flag2==0) {
System.out.println("该学生不存在!");
update();
}
}
static double mathjd(int i) {
double mathjd=0;
if(stu[i].getmathematicsscore()>=90)
mathjd=4.0;
if(stu[i].getmathematicsscore()<=89.9&&stu[i].getmathematicsscore()>85)
mathjd=3.7;
if(stu[i].getmathematicsscore()<=84.9&&stu[i].getmathematicsscore()>82)
mathjd=3.2;
if(stu[i].getmathematicsscore()<=81.9&&stu[i].getmathematicsscore()>78)
mathjd=3.0;
if(stu[i].getmathematicsscore()<=77.9&&stu[i].getmathematicsscore()>75)
mathjd=2.7;
if(stu[i].getmathematicsscore()<=74.9&&stu[i].getmathematicsscore()>72)
mathjd=2.3;
if(stu[i].getmathematicsscore()<=71.9&&stu[i].getmathematicsscore()>68)
mathjd=2.0;
if(stu[i].getmathematicsscore()<=67.9&&stu[i].getmathematicsscore()>66)
mathjd=1.7;
if(stu[i].getmathematicsscore()<=65.9&&stu[i].getmathematicsscore()>64)
mathjd=1.5;
if(stu[i].getmathematicsscore()<=63.9&&stu[i].getmathematicsscore()>=60)
mathjd=1.0;
if(stu[i].getmathematicsscore()<60)
mathjd=0;
return mathjd;
}
static double englishjd(int i) {
double englishjd=0;
if(stu[i].getenglishiscore()>=90)
englishjd=4.0;
if(stu[i].getenglishiscore()<=89.9&&stu[i].getenglishiscore()>85)
englishjd=3.7;
if(stu[i].getenglishiscore()<=84.9&&stu[i].getenglishiscore()>82)
englishjd=3.2;
if(stu[i].getenglishiscore()<=81.9&&stu[i].getenglishiscore()>78)
englishjd=3.0;
if(stu[i].getenglishiscore()<=77.9&&stu[i].getenglishiscore()>75)
englishjd=2.7;
if(stu[i].getenglishiscore()<=74.9&&stu[i].getenglishiscore()>72)
englishjd=2.3;
if(stu[i].getenglishiscore()<=71.9&&stu[i].getenglishiscore()>68)
englishjd=2.0;
if(stu[i].getenglishiscore()<=67.9&&stu[i].getenglishiscore()>66)
englishjd=1.7;
if(stu[i].getenglishiscore()<=65.9&&stu[i].getenglishiscore()>64)
englishjd=1.5;
if(stu[i].getenglishiscore()<=63.9&&stu[i].getenglishiscore()>=60)
englishjd=1.0;
if(stu[i].getenglishiscore()<60)
englishjd=0;
return englishjd;
}
static double netjd(int i) {
double netjd=0;
if(stu[i].getnetworkscore()>=90)
netjd=4.0;
if(stu[i].getnetworkscore()<=89.9&&stu[i].getnetworkscore()>85)
netjd=3.7;
if(stu[i].getnetworkscore()<=84.9&&stu[i].getnetworkscore()>82)
netjd=3.2;
if(stu[i].getnetworkscore()<=81.9&&stu[i].getnetworkscore()>78)
netjd=3.0;
if(stu[i].getnetworkscore()<=77.9&&stu[i].getnetworkscore()>75)
netjd=2.7;
if(stu[i].getnetworkscore()<=74.9&&stu[i].getnetworkscore()>72)
netjd=2.3;
if(stu[i].getnetworkscore()<=71.9&&stu[i].getnetworkscore()>68)
netjd=2.0;
if(stu[i].getnetworkscore()<=67.9&&stu[i].getnetworkscore()>66)
netjd=1.7;
if(stu[i].getnetworkscore()<=65.9&&stu[i].getnetworkscore()>64)
netjd=1.5;
if(stu[i].getnetworkscore()<=63.9&&stu[i].getnetworkscore()>=60)
netjd=1.0;
if(stu[i].getnetworkscore()<60)
netjd=0;
return netjd;
}
static double datajd(int i) {
double datajd=0;
if(stu[i].getdatabasescore()>=90)
datajd=4.0;
if(stu[i].getdatabasescore()<=89.9&&stu[i].getdatabasescore()>85)
datajd=3.7;
if(stu[i].getdatabasescore()<=84.9&&stu[i].getdatabasescore()>82)
datajd=3.2;
if(stu[i].getdatabasescore()<=81.9&&stu[i].getdatabasescore()>78)
datajd=3.0;
if(stu[i].getdatabasescore()<=77.9&&stu[i].getdatabasescore()>75)
datajd=2.7;
if(stu[i].getdatabasescore()<=74.9&&stu[i].getdatabasescore()>72)
datajd=2.3;
if(stu[i].getdatabasescore()<=71.9&&stu[i].getdatabasescore()>68)
datajd=2.0;
if(stu[i].getdatabasescore()<=67.9&&stu[i].getdatabasescore()>66)
datajd=1.7;
if(stu[i].getdatabasescore()<=65.9&&stu[i].getdatabasescore()>64)
datajd=1.5;
if(stu[i].getdatabasescore()<=63.9&&stu[i].getdatabasescore()>=60)
datajd=1.0;
if(stu[i].getdatabasescore()<60)
datajd=0;
return datajd;
}
static double softjd(int i) {
double softjd=0;
if(stu[i].getsoftwarescore()>=90)
softjd=4.0;
if(stu[i].getsoftwarescore()<=89.9&&stu[i].getsoftwarescore()>85)
softjd=3.7;
if(stu[i].getsoftwarescore()<=84.9&&stu[i].getsoftwarescore()>82)
softjd=3.2;
if(stu[i].getsoftwarescore()<=81.9&&stu[i].getsoftwarescore()>78)
softjd=3.0;
if(stu[i].getsoftwarescore()<=77.9&&stu[i].getsoftwarescore()>75)
softjd=2.7;
if(stu[i].getsoftwarescore()<=74.9&&stu[i].getsoftwarescore()>72)
softjd=2.3;
if(stu[i].getsoftwarescore()<=71.9&&stu[i].getsoftwarescore()>68)
softjd=2.0;
if(stu[i].getsoftwarescore()<=67.9&&stu[i].getsoftwarescore()>66)
softjd=1.7;
if(stu[i].getsoftwarescore()<=65.9&&stu[i].getsoftwarescore()>64)
softjd=1.5;
if(stu[i].getsoftwarescore()<=63.9&&stu[i].getsoftwarescore()>=60)
softjd=1.0;
if(stu[i].getsoftwarescore()<60)
softjd=0;
return softjd;
}
static double averagejd(int k) {
double ave,he1;
he1=mathjd(k)*4+englishjd(k)*3+netjd(k)*4+datajd(k)*3+softjd(k)*2;
return he1/16;
}
static void displayjd() {
System.out.println("***********************************************************");
System.out.println("\t\t石家庄铁道大学软件工程系学生学籍管理系统 2019 版 ");
System.out.println("\t\t学生考试成绩绩点计算界面 ");
System.out.println("***********************************************************");
System.out.println("\t\t请输入学生学号:XXXXXXXXXXXX ");
System.out.println("***********************************************************");
String str=in.next();
boolean b1=true;
DecimalFormat df = new DecimalFormat("#.00");
for(int i=0;i<5;i++) {
if(str.equals(stu[i].getstunumber())) {
b1=false;
System.out.println("***********************************************************");
System.out.println("\t\t石家庄铁道大学软件工程系学生学籍管理系统 2019 版 ");
System.out.println("\t\t学生考试成绩绩点计算界面 ");
System.out.println("***********************************************************");
System.out.println("\t\t学生学号:"+stu[i].getstunumber());
System.out.println("\t\t学生姓名:"+stu[i].getname());
System.out.println("\t\t高等数学成绩绩点:"+mathjd(i));
System.out.println("\t\t大学英语成绩绩点:"+englishjd(i));
System.out.println("\t\t计算机网络成绩绩点:"+netjd(i));
System.out.println("\t\t数据库成绩绩点:"+datajd(i));
System.out.println("\t\t软件工程成绩绩点:"+softjd(i));
System.out.print("\t\t你的平均学分绩点:");
double ave2=averagejd(i);
System.out.println(df.format(ave2));
if(averagejd(i)>=2) {
System.out.println("\t\t提示信息:你的学分绩点已达到毕业要求! ");
}
else {
System.out.println("\t\t提示信息:你的学分绩点不满足毕业要求!");
}
System.out.println("\t\t该学生成绩已修改完毕，是否提交(Y/N)");
String tijiao=in.next();
if(tijiao.equals("Y")) {
display();
}
else {}
}
}
if(b1) {
System.out.println("没有此学生!");
displayjd();
}

}
static ScoreInformation[] stu=new ScoreInformation[10];
public static void main(String[] args) {
for(int i=0;i<10;i++)
stu[i]=new ScoreInformation();
stu[0].setstunumber("20183584");stu[0].setname("刘瑞阳");/*stu[0].setmathematicsscore(99);
stu[0].setenglishscore(98);stu[0].setnetworkscore(97);stu[0].setdatabasescore(96);
stu[0].setsoftwarescore(99);*/
stu[1].setstunumber("20183583");stu[1].setname("张志伟");/*stu[1].setmathematicsscore(99);
stu[1].setenglishscore(98);stu[1].setnetworkscore(97);stu[1].setdatabasescore(96);
stu[1].setsoftwarescore(99);*/
stu[2].setstunumber("20183585");stu[2].setname("刘云天");/*stu[2].setmathematicsscore(99);
stu[2].setenglishscore(98);stu[2].setnetworkscore(97);stu[2].setdatabasescore(96);
stu[2].setsoftwarescore(99);*/
stu[3].setstunumber("20183500");stu[3].setname("赵士通");/*stu[3].setmathematicsscore(99);
stu[3].setenglishscore(98);stu[3].setnetworkscore(97);stu[3].setdatabasescore(96);
stu[3].setsoftwarescore(99);*/
stu[4].setstunumber("20182600");stu[4].setname("马小");/*stu[4].setmathematicsscore(99);
stu[4].setenglishscore(98);stu[4].setnetworkscore(97);stu[4].setdatabasescore(96);
stu[4].setsoftwarescore(99);*/
boolean b1=true;
while(b1) {
display();
int num=in.nextInt();
switch(num) {
case 1:displayscorescan();
break;
case 2:update();
break;
case 3:displayjd();
break;
case 4:displayexit();
break;
}
}
}

}

//20183584
//刘瑞阳
//信1805-3班
package scoreinformation;

public class ScoreInformation {
private String stunumber;
private String name;
private double mathematicsscore;
private double englishiscore;
private double networkscore;
private double databasescore;
private double softwarescore;

public String getstunumber() {
return stunumber;
}
public void setstunumber(String stunumber) {
this.stunumber = stunumber;
}

public String getname() {
return name;
}

public void setname(String name) {
this.name = name;
}

public double getmathematicsscore() {
return mathematicsscore;
}

public void setmathematicsscore(double mathematicsscore) {
this.mathematicsscore = mathematicsscore;
}
public double getenglishiscore() {
return englishiscore;
}

public void setenglishiscore(double englishiscore) {
this.englishiscore = englishiscore;
}
public double getnetworkscore() {
return networkscore;
}

public void setnetworkscore(double networkscore) {
this.networkscore = networkscore;
}
public double getdatabasescore() {
return databasescore;
}

public void setdatabasescore(double databasescore) {
this.databasescore = databasescore;
}
public double getsoftwarescore() {
return softwarescore;
}

public void setsoftwarescore(double softwarescore) {
this.softwarescore = softwarescore;
}

}

截图：

 

 

 

 

 

 

思路：将student信息定义到一个类里，再把学籍成绩定义成另一个类。实现不同功能的逐步进行。