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이 코드는 숫자 0-100을 넣었을 때와 그 범위를 벗어나는 경우 작동합니다. 편지 나 단어 같은 것을 받아들이게하고 0에서 100 사이의 점수를 입력하십시오.Java에서 오류 처리를 사용하는 방법
import java.util.Scanner;
public class LetterGrade {
public static void main(String[] args) {
Scanner grades = new Scanner(System.in);
int grade = 0;
String LetterGrade = "";
System.out.print("Enter your test grades: ");
grade = grades.nextInt();
if (grade > 100 || grade < 0) {
System.out.println("Enter the percentage from 0 - 100");
}
while (grade > 100 || grade < 0) {
System.out.print("Enter your test grades: ");
grade = grades.nextInt();
if (grade > 100 || grade < 0) {
System.out.println("Enter the precentage from 0 - 100");
}
}
//Define the number Grade to equal a Letter
if (grade <= 100 && grade >= 97)
LetterGrade = "A+";
if (grade <= 96 && grade >= 93)
LetterGrade = "A";
if (grade <= 92 && grade >= 90)
LetterGrade = "A-";
if (grade <= 89 && grade >= 87)
LetterGrade = "B+";
if (grade <= 86 && grade >= 83)
LetterGrade = "B";
if (grade <= 82 && grade >= 80)
LetterGrade = "B-";
if (grade <= 77 && grade >= 74)
LetterGrade = "C+";
if (grade <= 73 && grade >= 73)
LetterGrade = "C";
if (grade <= 72 && grade >= 70)
LetterGrade = "C-";
if (grade <= 69 && grade >= 67)
LetterGrade = "D+";
if (grade <= 66 && grade >= 65)
LetterGrade = "D";
if (grade <= 64 && grade >= 60)
LetterGrade = "D-";
if (grade <= 59 && grade >= 0)
LetterGrade = "F";
System.out.println("Your test grade of " + grade + " is a letter grade of " + LetterGrade);
}
}