[JAVA][ 성적관리 프로 그램]

 

 

JAVA

 

성적 관리 프로그램

 

 

package day02;
import java.util.Scanner;
class Name{
 String name;
 void setName(String name){
  this.name=name;
 }
 String getName() {
  return this.name;
 }
}
class Score{
 int kor;
 int eng;
 int mat;
 void setKor(int kor) {
  this.kor=kor;
 }
 int getkor() {
  return kor;
 }
 void seteng(int eng) {
  this.eng=eng;
 }
 int geteng() {
  return eng;
 }
 void setmat(int mat) {
  this.mat=mat;
 }
 int getmat() {
  return mat;
 }
 int getTot() {
  return kor+eng+mat;
 }
 float getavg() {
  return getTot()/3.f;
 }
 public void close() {
  // TODO Auto-generated method stub
 }
}
class ScoMag {
 Name n;
 Score sc;
 String name;
 int kor;
 int eng;
 int mat;
 int tot;
 float avg;
 public ScoMag() {
  this.n=new Name();
  this.sc =new Score();
 }
 void setName(){
  this.name=n.getName();
 }
 String getName() {
  return n.getName();
 }
 void setKor() {
  this.kor=sc.getkor();
 }
 int getkor() {
  return sc.getkor();
 }
 void seteng(int eng) {
  this.eng=sc.geteng();
 }
 int geteng() {
  return sc.geteng();
 }
 void setmat(int mat) {
  this.mat=sc.getmat();
 }
 int getmat() {
  return sc.getmat();
 }
 void setTot() {
  this.tot=sc.getTot();
 }
 int getTot() {
  return sc.getTot();
 }
 void setavg() {
  this.avg=sc.getavg();
 }
 float getavg() {
  return sc.getavg();
 }
 public String printAll() {
  return "이름:"+n.getName()+" "+"국:"+sc.getkor()+" "+"영:"+sc.geteng()+" "+"수:"+sc.getmat()+" "+"총점:"+sc.getTot()+" "+"평균:"+sc.getavg()+"\n";
 }
 
}
public class Main {
 public static void main(String[] args) {
  // TODO Auto-generated method stub
  Name n =new Name();
  Score sc =new Score();
  String name;
  int kor;
  int eng;
  int mat;
  int tot;
  float avg;
  String who;
  int sj;
 
  ScoMag [] scm = new ScoMag[50];
  Scanner scan =new Scanner(System.in);
  int i=0;
  while(true) {
   System.out.println("1.입력 / 2.전체출력 / 3.검색 / 4.수정 / 5.삭제");
   int input=scan.nextInt();
   switch(input) {
   case 1:
    //scm[i] =new ScoMag();
    scm[i]=new ScoMag();
    System.out.println("이름을 입력하세요");
    scm[i].n.setName(scan.next());
    System.out.println("국어성적을 입력하세요");
    scm[i].sc.setKor(scan.nextInt());
    System.out.println("영어성적을 입력하세요");
    scm[i].sc.seteng(scan.nextInt());
    System.out.println("수학 성적을 입력하세요");
    scm[i].sc.setmat(scan.nextInt());
    i++;
    break;
 
   case 2:
    ScoMag Temp =new ScoMag();
    int z;
    for(z=0;z<scm.length;z++) {
     if(scm[z]==null) {
      break;
     }
    }
    for(int b=0; b<z-1;b++) {
     for (int a = 0; a < z-1; a++) {
      if(scm[a].sc.getTot()<scm[a+1].sc.getTot()) {
       Temp = scm[a];
       scm[a] = scm[a+1];
       scm[a+1] = Temp;
      }
     }
    }
    for(int j=0;j<z;j++) {
     System.out.println(scm[j].printAll());
    }
    break;
 
   case 3: 
    System.out.println("누구를 검색하시겠습니까?");
    who = scan.next();
    for (int j = 0; j < scm.length; j++) {
     if(scm[j].n.getName().equals(who)) {
      System.out.println(scm[j].printAll());
      break;
     }else {
      System.out.println("검색 결과가 없습니다.");
      break;
     }
    }
    break;
 
   case 4:
    System.out.println("누구의 성적을 수정하시겠습니까?");
    who = scan.next();
    for (int j = 0; j < scm.length; j++) {
     if(scm[j].n.getName().equals(who)) {
      System.out.println("수정할 과목을 선택하세요");
      System.out.println("1.국어 2.영어 3.수학");
      sj=scan.nextInt();
      switch(sj) {
      case 1:
       System.out.println("국어수정");
       scm[j].sc.setKor(scan.nextInt());
       break;
      case 2:
       System.out.println("영어수정");
       scm[j].sc.seteng(scan.nextInt());
       break;
      case 3:
       System.out.println("수학수정");
       scm[j].sc.setmat(scan.nextInt());
       break;
      }
      break;
     }else {
      System.out.println("검색 결과가 없습니다.");
      break;
     }
    }
    break;
 
   case 5:
    System.out.print("삭제할 사람의 이름 : ");
    who = scan.next();
    int j;
    for(j=0; j<scm.length; j++) 
    {
     if(scm[j].n.getName().equals(who)) 
     {
      break;
     }
    }
    scm[j] = null; // 지운다 // st.length-1-j
    for(int shift=j; shift<scm.length-1; shift++) 
    {
     scm[shift] = scm[shift+1];
    }
    scm[scm.length-1] = null;
    break;
   case 6: // 6.종료
    System.out.println("종료!!");
    break;
   }
   sc.close();
  }
  
 }
}
 
[출처] 성적관리 프로그램 1.입력 2.전체출력(성적순)3.검색 4.수정 5.삭제|작성자 pjy4722