JAVA语言课堂测试01源代码（学生成绩管理系统）
package 考试;
/*信1807-8
* 20183798
* 向瑜
*/
import java.util.Scanner;
//ScoreInformation 类
class ScoreInformation {
private String stunumber;
private String name;
private double mathematicsscore;
private double englishscore;
private double networkscore;
private double databasescore;
private double softwarescore;
public ScoreInformation() {
}
public ScoreInformation(String stunumber, String name, double mathematicsscore, double englishscore,
double networkscore, double databasescore, double softwarescore) {
this.stunumber = stunumber;
this.name = name;
this.mathematicsscore = mathematicsscore;
this.englishscore = englishscore;
this.networkscore = networkscore;
this.databasescore = databasescore;
this.softwarescore = 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 getenglishscore() {
return englishscore;
}
public void setenglishscore(double englishscore) {
this.englishscore = englishscore;
}
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;
}
}
class ScoreManagement {
static Scanner scan = new Scanner(System.in);
static Scanner sc = new Scanner(System.in);
static boolean ll = false;
static boolean l = false;
static ScoreInformation[] a = new ScoreInformation[5];
static void xiang() {
a[0] = new ScoreInformation("11111111", "向", 0, 0, 0, 0, 0);
a[1] = new ScoreInformation("22222222", "瑜", 0, 0, 0, 0, 0);
a[2] = new ScoreInformation("33333333", "向瑜", 0, 0, 0, 0, 0);
a[3] = new ScoreInformation("44444444", "瑜向", 0, 0, 0, 0, 0);
a[4] = new ScoreInformation("55555555", "向瑜向", 0, 0, 0, 0, 0);
}
static int i;
public static void enter() {
while (ll = true) {
System.out.println("***********************************************");
System.out.println("***********************************************");
System.out.println("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("学生考试成绩录入");
System.out.println("***********************************************");
System.out.println("请输入学生学号：");
System.out.println("***********************************************");
String n1 = sc.next();
for (i = 0; i < 5; i++)
if (n1.equals(a[i].getstunumber())) {
l = true;
break;
}
if (l) {
System.out.println("***********************************************");
System.out.println("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("学生考试成绩录入");
System.out.println("***********************************************");
System.out.println("学生学号：" + a[i].getstunumber());
System.out.println("学生姓名：" + a[i].getname());
System.out.println("请输入高等数学成绩：");
a[i].setmathematicsscore(sc.nextDouble());
System.out.println("请输入大学英语成绩：");
a[i].setenglishscore(sc.nextDouble());
System.out.println("请输入计算机网络成绩：");
a[i].setnetworkscore(sc.nextDouble());
System.out.println("请输入数据库成绩：");
a[i].setdatabasescore(sc.nextDouble());
System.out.println("请输入软件工程成绩：");
a[i].setsoftwarescore(sc.nextDouble());
System.out.println("***********************************************");
System.out.println("***********************************************");
System.out.println("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("学生考试成绩录入");
System.out.println("***********************************************");
System.out.println("学生学号：" + a[i].getstunumber());
System.out.println("学生姓名：" + a[i].getname());
System.out.println("高等数学成绩：" + a[i].getmathematicsscore());
System.out.println("大学英语成绩：" + a[i].getenglishscore());
System.out.println("计算机网络成绩：" + a[i].getnetworkscore());
System.out.println("数据库成绩：" + a[i].getdatabasescore());
System.out.println("软件工程成绩：" + a[i].getsoftwarescore());
System.out.println("该学生成绩录入完毕，是否提交（Y/N）");
System.out.println("***********************************************");
String n2 = sc.next();
if (n2.equals("Y")) {
System.out.println("录入成功！！");
break;
} else {
a[i].setmathematicsscore(0);
a[i].setenglishscore(0);
a[i].setnetworkscore(0);
a[i].setdatabasescore(0);
a[i].setsoftwarescore(0);
System.out.println("录入失败！！");
ll = true;
}
} else {
System.out.println("该学号不存在！！！");
ll = true;
}
}
}
public static void updata() {
double d1, d2, d3, d4, d5;
d1 = a[i].getmathematicsscore();
d2 = a[i].getenglishscore();
d3 = a[i].getnetworkscore();
d4 = a[i].getdatabasescore();
d5 = a[i].getsoftwarescore();
System.out.println("***********************************************");
System.out.println(" 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(" 学生考试成绩修改界面");
System.out.println("***********************************************");
System.out.println(" 请输入学生学号：");
String n3 = sc.next();
System.out.println("***********************************************");
for (i = 0; i < 5; i++)
if (n3.equals(a[i].getstunumber())) {
l = true;
break;
}
if (l) {
System.out.println("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("学生考试成绩录入");
System.out.println("***********************************************");
System.out.println("学生学号：" + a[i].getstunumber());
System.out.println("学生姓名：" + a[i].getname());
System.out.println("1、高等数学成绩：" + a[i].getmathematicsscore());
System.out.println("2、大学英语成绩：" + a[i].getenglishscore());
System.out.println("3、计算机网络成绩：" + a[i].getnetworkscore());
System.out.println("4、数据库成绩：" + a[i].getdatabasescore());
System.out.println("5、软件工程成绩：" + a[i].getsoftwarescore());
System.out.println("***********************************************");
System.out.println("请选择需要修改的选项");
}
int k = sc.nextInt();
switch (k) {
case 1:
System.out.println("***********************************************");
System.out.println(" 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(" 学生考试成绩录入");
System.out.println("***********************************************");
System.out.println(" 学生学号：" + a[i].getstunumber());
System.out.println(" 学生姓名：" + a[i].getname());
System.out.println(" 请输入修改后的高等数学成绩：");
System.out.println("***********************************************");
a[i].setmathematicsscore(sc.nextDouble());
System.out.println("***********************************************");
System.out.println("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("学生考试成绩录入");
System.out.println("***********************************************");
System.out.println("学生学号：" + a[i].getstunumber());
System.out.println("学生姓名：" + a[i].getname());
System.out.println("1、高等数学成绩：" + a[i].getmathematicsscore());
System.out.println("2、大学英语成绩：" + a[i].getenglishscore());
System.out.println("3、计算机网络成绩：" + a[i].getnetworkscore());
System.out.println("4、数据库成绩：" + a[i].getdatabasescore());
System.out.println("5、软件工程成绩：" + a[i].getsoftwarescore());
System.out.println("***********************************************");
System.out.println(" 该学生成绩录入完毕，是否提交（Y/N）");
String n2 = sc.next();
if (n2.equals("Y"))
System.out.println("修改成功！！");
else {
a[i].setmathematicsscore(d1);
a[i].setenglishscore(d2);
a[i].setnetworkscore(d3);
a[i].setdatabasescore(d4);
a[i].setsoftwarescore(d5);
System.out.println("录入失败！！");
}
break;
case 2:
System.out.println("***********************************************");
System.out.println(" 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(" 学生考试成绩录入");
System.out.println("***********************************************");
System.out.println(" 学生学号：" + a[i].getstunumber());
System.out.println(" 学生姓名：" + a[i].getname());
System.out.println(" 请输入修改后的大学英语成绩：");
System.out.println("***********************************************");
a[i].setenglishscore(sc.nextDouble());
System.out.println("***********************************************");
System.out.println("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("学生考试成绩录入");
System.out.println("***********************************************");
System.out.println("学生学号：" + a[i].getstunumber());
System.out.println("学生姓名：" + a[i].getname());
System.out.println("1、高等数学成绩：" + a[i].getmathematicsscore());
System.out.println("2、大学英语成绩：" + a[i].getenglishscore());
System.out.println("3、计算机网络成绩：" + a[i].getnetworkscore());
System.out.println("4、数据库成绩：" + a[i].getdatabasescore());
System.out.println("5、软件工程成绩：" + a[i].getsoftwarescore());
System.out.println("***********************************************");
System.out.println(" 该学生成绩录入完毕，是否提交（Y/N）");
String n4 = sc.next();
if (n4.equals("Y"))
System.out.println("修改成功！！");
else {
a[i].setmathematicsscore(d1);
a[i].setenglishscore(d2);
a[i].setnetworkscore(d3);
a[i].setdatabasescore(d4);
a[i].setsoftwarescore(d5);
System.out.println("录入失败！！");
}
break;
case 3:
System.out.println("***********************************************");
System.out.println(" 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(" 学生考试成绩录入");
System.out.println("***********************************************");
System.out.println(" 学生学号：" + a[i].getstunumber());
System.out.println(" 学生姓名：" + a[i].getname());
System.out.println(" 请输入修改后的计算机网络成绩：");
System.out.println("***********************************************");
a[i].setnetworkscore(sc.nextDouble());
System.out.println("***********************************************");
System.out.println("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("学生考试成绩录入");
System.out.println("***********************************************");
System.out.println("学生学号：" + a[i].getstunumber());
System.out.println("学生姓名：" + a[i].getname());
System.out.println("1、高等数学成绩：" + a[i].getmathematicsscore());
System.out.println("2、大学英语成绩：" + a[i].getenglishscore());
System.out.println("3、计算机网络成绩：" + a[i].getnetworkscore());
System.out.println("4、数据库成绩：" + a[i].getdatabasescore());
System.out.println("5、软件工程成绩：" + a[i].getsoftwarescore());
System.out.println("***********************************************");
System.out.println(" 该学生成绩录入完毕，是否提交（Y/N）");
String n5 = sc.next();
if (n5.equals("Y"))
System.out.println("修改成功！！");
else {
a[i].setmathematicsscore(d1);
a[i].setenglishscore(d2);
a[i].setnetworkscore(d3);
a[i].setdatabasescore(d4);
a[i].setsoftwarescore(d5);
System.out.println("录入失败！！");
}
break;
case 4:
System.out.println("***********************************************");
System.out.println(" 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(" 学生考试成绩录入");
System.out.println("***********************************************");
System.out.println(" 学生学号：" + a[i].getstunumber());
System.out.println(" 学生姓名：" + a[i].getname());
System.out.println(" 请输入修改后的数据库成绩：");
System.out.println("***********************************************");
a[i].setdatabasescore(sc.nextDouble());
System.out.println("***********************************************");
System.out.println("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("学生考试成绩录入");
System.out.println("***********************************************");
System.out.println("学生学号：" + a[i].getstunumber());
System.out.println("学生姓名：" + a[i].getname());
System.out.println("1、高等数学成绩：" + a[i].getmathematicsscore());
System.out.println("2、大学英语成绩：" + a[i].getenglishscore());
System.out.println("3、计算机网络成绩：" + a[i].getnetworkscore());
System.out.println("4、数据库成绩：" + a[i].getdatabasescore());
System.out.println("5、软件工程成绩：" + a[i].getsoftwarescore());
System.out.println("***********************************************");
System.out.println(" 该学生成绩录入完毕，是否提交（Y/N）");
String n6 = sc.next();
if (n6.equals("Y"))
System.out.println("修改成功！！");
else {
a[i].setmathematicsscore(d1);
a[i].setenglishscore(d2);
a[i].setnetworkscore(d3);
a[i].setdatabasescore(d4);
a[i].setsoftwarescore(d5);
System.out.println("录入失败！！");
}
break;
case 5:
System.out.println("***********************************************");
System.out.println(" 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(" 学生考试成绩录入");
System.out.println("***********************************************");
System.out.println(" 学生学号：" + a[i].getstunumber());
System.out.println(" 学生姓名：" + a[i].getname());
System.out.println(" 请输入修改后的软件工程成绩：");
System.out.println("***********************************************");
a[i].setsoftwarescore(sc.nextDouble());
System.out.println("***********************************************");
System.out.println("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("学生考试成绩录入");
System.out.println("***********************************************");
System.out.println("学生学号：" + a[i].getstunumber());
System.out.println("学生姓名：" + a[i].getname());
System.out.println("1、高等数学成绩：" + a[i].getmathematicsscore());
System.out.println("2、大学英语成绩：" + a[i].getenglishscore());
System.out.println("3、计算机网络成绩：" + a[i].getnetworkscore());
System.out.println("4、数据库成绩：" + a[i].getdatabasescore());
System.out.println("5、软件工程成绩：" + a[i].getsoftwarescore());
System.out.println("***********************************************");
System.out.println(" 该学生成绩录入完毕，是否提交（Y/N）");
String n7 = sc.next();
if (n7.equals("Y"))
System.out.println("修改成功！！");
else {
a[i].setmathematicsscore(d1);
a[i].setenglishscore(d2);
a[i].setnetworkscore(d3);
a[i].setdatabasescore(d4);
a[i].setsoftwarescore(d5);
System.out.println("录入失败！！");
}
break;
}
}
public static void count() {
while (ll = true) {
double t1, t2, t3, t4, t5;
System.out.println("***********************************************");
System.out.println(" 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(" 学生考试成绩绩点计算界面 ");
System.out.println("***********************************************");
System.out.println(" 请输入学生学号：");
String n4 = sc.next();
System.out.println("***********************************************");
for (i = 0; i < 5; i++)
if (n4.equals(a[i].getstunumber())) {
l = true;
break;
}
if (l) {
if (a[i].getmathematicsscore() >= 90)
t1 = 4.0;
else if (a[i].getmathematicsscore() >= 85 && a[i].getmathematicsscore() <= 89.9)
t1 = 3.7;
else if (a[i].getmathematicsscore() >= 82 && a[i].getmathematicsscore() <= 84.9)
t1 = 3.3;
else if (a[i].getmathematicsscore() >= 78 && a[i].getmathematicsscore() <= 81.9)
t1 = 3.0;
else if (a[i].getmathematicsscore() >= 75 && a[i].getmathematicsscore() <= 77.9)
t1 = 2.7;
else if (a[i].getmathematicsscore() >= 72 && a[i].getmathematicsscore() <= 74.9)
t1 = 2.3;
else if (a[i].getmathematicsscore() >= 68 && a[i].getmathematicsscore() <= 71.9)
t1 = 2.0;
else if (a[i].getmathematicsscore() >= 66 && a[i].getmathematicsscore() <= 67.9)
t1 = 1.7;
else if (a[i].getmathematicsscore() >= 64 && a[i].getmathematicsscore() <= 65.9)
t1 = 1.5;
else if (a[i].getmathematicsscore() >= 60 && a[i].getmathematicsscore() <= 63.9)
t1 = 1.0;
else
t1 = 0;
if (a[i].getenglishscore() >= 90)
t2 = 4.0;
else if (a[i].getenglishscore() >= 85 && a[i].getenglishscore() <= 89.9)
t2 = 3.7;
else if (a[i].getenglishscore() >= 82 && a[i].getenglishscore() <= 84.9)
t2 = 3.3;
else if (a[i].getenglishscore() >= 78 && a[i].getenglishscore() <= 81.9)
t2 = 3.0;
else if (a[i].getenglishscore() >= 75 && a[i].getenglishscore() <= 77.9)
t2 = 2.7;
else if (a[i].getenglishscore() >= 72 && a[i].getenglishscore() <= 74.9)
t2 = 2.3;
else if (a[i].getenglishscore() >= 68 && a[i].getenglishscore() <= 71.9)
t2 = 2.0;
else if (a[i].getenglishscore() >= 66 && a[i].getenglishscore() <= 67.9)
t2 = 1.7;
else if (a[i].getenglishscore() >= 64 && a[i].getenglishscore() <= 65.9)
t2 = 1.5;
else if (a[i].getenglishscore() >= 60 && a[i].getenglishscore() <= 63.9)
t2 = 1.0;
else
t2 = 0;
if (a[i].getnetworkscore() >= 90)
t3 = 4.0;
else if (a[i].getnetworkscore() >= 85 && a[i].getnetworkscore() <= 89.9)
t3 = 3.7;
else if (a[i].getnetworkscore() >= 82 && a[i].getnetworkscore() <= 84.9)
t3 = 3.3;
else if (a[i].getnetworkscore() >= 78 && a[i].getnetworkscore() <= 81.9)
t3 = 3.0;
else if (a[i].getnetworkscore() >= 75 && a[i].getnetworkscore() <= 77.9)
t3 = 2.7;
else if (a[i].getnetworkscore() >= 72 && a[i].getnetworkscore() <= 74.9)
t3 = 2.3;
else if (a[i].getnetworkscore() >= 68 && a[i].getnetworkscore() <= 71.9)
t3 = 2.0;
else if (a[i].getnetworkscore() >= 66 && a[i].getnetworkscore() <= 67.9)
t3 = 1.7;
else if (a[i].getnetworkscore() >= 64 && a[i].getnetworkscore() <= 65.9)
t3 = 1.5;
else if (a[i].getnetworkscore() >= 60 && a[i].getnetworkscore() <= 63.9)
t3 = 1.0;
else
t3 = 0;
if (a[i].getdatabasescore() >= 90)
t4 = 4.0;
else if (a[i].getdatabasescore() >= 85 && a[i].getdatabasescore() <= 89.9)
t4 = 3.7;
else if (a[i].getdatabasescore() >= 82 && a[i].getdatabasescore() <= 84.9)
t4 = 3.3;
else if (a[i].getdatabasescore() >= 78 && a[i].getdatabasescore() <= 81.9)
t4 = 3.0;
else if (a[i].getdatabasescore() >= 75 && a[i].getdatabasescore() <= 77.9)
t4 = 2.7;
else if (a[i].getdatabasescore() >= 72 && a[i].getdatabasescore() <= 74.9)
t4 = 2.3;
else if (a[i].getdatabasescore() >= 68 && a[i].getdatabasescore() <= 71.9)
t4 = 2.0;
else if (a[i].getdatabasescore() >= 66 && a[i].getdatabasescore() <= 67.9)
t4 = 1.7;
else if (a[i].getdatabasescore() >= 64 && a[i].getdatabasescore() <= 65.9)
t4 = 1.5;
else if (a[i].getdatabasescore() >= 60 && a[i].getdatabasescore() <= 63.9)
t4 = 1.0;
else
t4 = 0;
if (a[i].getnetworkscore() >= 90)
t5 = 4.0;
else if (a[i].getnetworkscore() >= 85 && a[i].getnetworkscore() <= 89.9)
t5 = 3.7;
else if (a[i].getnetworkscore() >= 82 && a[i].getnetworkscore() <= 84.9)
t5 = 3.3;
else if (a[i].getnetworkscore() >= 78 && a[i].getnetworkscore() <= 81.9)
t5 = 3.0;
else if (a[i].getnetworkscore() >= 75 && a[i].getnetworkscore() <= 77.9)
t5 = 2.7;
else if (a[i].getnetworkscore() >= 72 && a[i].getnetworkscore() <= 74.9)
t5 = 2.3;
else if (a[i].getnetworkscore() >= 68 & a[i].getnetworkscore() <= 71.9)
t5 = 2.0;
else if (a[i].getnetworkscore() >= 66 && a[i].getnetworkscore() <= 67.9)
t5 = 1.7;
else if (a[i].getnetworkscore() >= 64 && a[i].getnetworkscore() <= 65.9)
t5 = 1.5;
else if (a[i].getnetworkscore() >= 60 && a[i].getnetworkscore() <= 63.9)
t5 = 1.0;
else
t5 = 0;
double tt, ttt;
tt = (t1 * 4 + t2 * 3 + t3 * 4 + t4 * 3 + t5 * 2) / 16;
ttt = (double) Math.round(tt * 100) / 100;
System.out.println("***********************************************");
System.out.println(" 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(" 学生考试成绩录入");
System.out.println("***********************************************");
System.out.println(" 学生学号：" + a[i].getstunumber());
System.out.println(" 学生姓名：" + a[i].getname());
System.out.println(" 高等数学绩点：" + t1);
System.out.println(" 高等数学绩点：" + t2);
System.out.println(" 计算机网络绩点：" + t3);
System.out.println(" 数据库绩点：" + t4);
System.out.println(" 软件工程绩点：" + t5);
System.out.println(" 你的平均学分绩点：" + ttt);
if (tt >= 2)
System.out.println(" 你的学分绩点达到毕业水平");
else
System.out.println(" 你的学分绩点没有达到毕业水平");
System.out.println("***********************************************");
}
String n6;
n6 = sc.next();
if (n6.equals("N")) {
ll = true;
} else
break;
}
}
public static void quit() {
System.out.println("***********************************************************");
System.out.println("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("***********************************************************");
}
public static void main(String[] args) {
xiang();
int p = 0;
while (p != 4) {
System.out.println("***********************************************************");
System.out.println("石家庄铁道大学软件工程系");
System.out.println("学生学籍管理系统 2019 版");
System.out.println("***********************************************************");
System.out.println("1、 学生考试成绩录入");
System.out.println("2、 学生考试成绩修改");
System.out.println("3、 计算学生成绩绩点");
System.out.println("4、退出学籍管理系统");
System.out.println("***********************************************************");
p = scan.nextInt();
switch (p) {
case 1:
enter();
break;
case 2:
updata();
break;
case 3:
count();
break;
case 4:
quit();
break;
default:
System.out.println("输入错误请重新输入！");
}
}
}
}
