[과제] 입력받는 성적표

class Student {

String name;

int no, kor, eng, tot, avg, rank;

char grade;

Student(int no , String name, int kor, int eng) {

this.no = no;

this.name = name;

this.kor = kor;

this.eng = eng;

}

}

public class Sungjuk_v3 {

java.util.Scanner scan = new java.util.Scanner(System.in);

Student[] input = new Student[3];

void Input(){

for(int i=0; i<input.length; i++){

System.out.println("학번입력");

int no = scan.nextInt();

System.out.println("이름입력");

String name = scan.next();

System.out.println("국어점수입력");

int kor = scan.nextInt();

System.out.println("영어점수입력");

int eng = scan.nextInt();

input[i] = new Student(no,name,kor,eng);

}

for(int i=0; i<input.length; i++){

input[i].tot = input[i].kor + input[i].eng;

input[i].avg = input[i].tot/2;

if(input[i].avg>=90){

input[i].grade = 'A';

}else if(input[i].avg>=80){

input[i].grade = 'B';

}else if(input[i].avg >=70){

input[i].grade = 'C';

}else if(input[i].avg >=60){

input[i].grade = 'D';

}else{

input[i].grade = 'F';

}

}

for(int row = 0; row<input.length; row++){

input[row].rank = 1;

for(int col =0; col<input.length; col++){

if(input[row].avg<input[col].avg){

input[row].rank++;

}

}

}

System.out.println("====================성적표====================");

} //void Input

public void Display(){

System.out.println("학번 \t이름\t국어\t영어\t총점\t평균\t등급\t등수");

for (int cnt = 0; cnt < input.length; cnt++) {

System.out.println(input[cnt].no + "\t" + input[cnt].name + "\t" + input[cnt].kor + "\t"

+ input[cnt].eng + "\t" + input[cnt].tot + "\t" + input[cnt].avg + "\t" + input[cnt].grade

+ "\t " + input[cnt].rank);

}

}

public void Sort(){

for (int row = 0; row < input.length - 1; row++) {

for (int col = row + 1; col < input.length; col++) {

if (input[row].rank > input[col].rank) {

Student sTemp = input[row];

input[row] = input[col];

input[col] = sTemp;

}

}

}

System.out.println("===============정렬된 성적표=================");

}

public static void main(String[] args) {

Sungjuk_v3 sug = new Sungjuk_v3();

sug.Input();

sug.Display();

sug.Sort();

sug.Display();

}

}