2021-04-16 자바 문제풀기 - 성적출력하기

package day5;

public class ex54성적출력하기 {

	public static void main(String[] args) {
		//아래와 같이 학생들의 성적 별 학생 수를 출력하시오
		//String score = "A,A,B,C,D,A,C,D,D,D,F"
		
		String[] grade_arr = {"A","A","B","C","D","A","C","D","D","D","F"};
		
		int A_grade = 0;
		int B_grade = 0;
		int C_grade = 0;
		int D_grade = 0;
		int F_grade = 0;
		
		for(int i=0; i<grade_arr.length; i++)
		{
			if(grade_arr[i].equals("A") ) {
				A_grade++;
			}
			else if(grade_arr[i].equals("B")) {
				B_grade++;
			}else if(grade_arr[i].equals("C")) {
				C_grade++;
			}else if(grade_arr[i].equals("D")) {
				D_grade++;
				
			}else if(grade_arr[i].equals("F")) {
				F_grade++;
				
			}else{	
			System.out.println("없는 성적이에유");
			}
			
		}

		System.out.println("A : "+A_grade);
		System.out.println("B : "+B_grade);
		System.out.println("C : "+C_grade);
		System.out.println("D : "+D_grade);
		System.out.println("F : "+F_grade);
	}

}