标签:void ber 计算机 数据 使用 else war ima vat
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。
标签:void ber 计算机 数据 使用 else war ima vat
原文地址:https://www.cnblogs.com/aiyyue/p/11515524.html