[코딩연습] 메소드 생성 연습 1

 

풀이

import java.util.Scanner;

public class Quiz01 {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
        
        System.out.print("제곱값을 구할 숫자를 입력하세요: ");
		int num = scan.nextInt();
		
		System.out.println(num + "의 제곱은 " + getSquared(num) + "이다.");
    }
    
    public static int getSquared(int x) {
		return (int) Math.pow(x, 2);
	}
}

 

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풀이

 

import java.util.Scanner;

public class Quiz01 {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
        
        System.out.print("점수를 입력하세요: ");
		int score1 = scan.nextInt();
		int score2 = scan.nextInt();
		int score3 = scan.nextInt();
		int score4 = scan.nextInt();
		
		System.out.println("평균은 " + getAverage(score1, score2, score3, score4));
    }
    
	public static double getAverage(int score1, int score2, int score3, int score4) {
		return (score1 + score2 + score3 + score4)/(double)4;
	}
}

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풀이

import java.util.Scanner;

public class Quiz01 {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
        
        System.out.print("숫자와 나눌 수를 입력하세요: ");
		int num = scan.nextInt();
		int divideNum = scan.nextInt();
		
		printQuotientRemainder(num, divideNum);
    }

	public static void printQuotientRemainder(int number1, int number2) {
		int quotient = number1 / number2;
		int remainder = number1 % number2;
		System.out.println("몫: " + quotient);
		System.out.println("나머지: " + remainder);
}

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풀이

import java.util.Scanner;

public class Quiz01 {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
        
        System.out.print("숫자를 입력하세요: ");
		int num = scan.nextInt();
		
		isEven(num);
    }

	public static boolean isEven(int a) {
		if (a % 2 == 0) {
			return true;
		} 
		return false;
	}
}