배열 연습문제03

월세구하기

package day09;

import java.util.Scanner;

public class ArTest01 {
	public static void main(String[] args) {
		
		int [] ho = new int[3];
		Scanner sc = new Scanner(System.in);
		int sum =0;
		double avg = 0.0;
		
		for(int i=0; i<ho.length; i++) {
			System.out.println((i+1)+"호 월세를 입력하세요(단위는 만원입니다.)");
			ho[i] = sc.nextInt();
			sum += ho[i];
		}
		System.out.println("1동 총 월세: " +sum+"만원");
		avg = (double)sum/ho.length;
		avg = Double.parseDouble(String.format("%2f", (double)sum/ho.length));
		System.out.println("평균 월세 : "+avg + "만원");
		
	}

}

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매출액

package day09;

import java.util.Scanner;

public class ArShop {
	public static void main(String[] args) {
		int [] arIncome = new int[3];
		String [] arName = {"강남점", "코엑스점", "명동점"};
		Scanner sc = new Scanner(System.in);
		int sum =0;
		double avg = 0.0;
		//int i=0;
		
		for(int i=0; i<arIncome.length; i++) {
			System.out.println(arName[i]+"매출액을 입력하세요(단위:백만원)");
			arIncome[i] = sc.nextInt();
			sum += arIncome[i];
		}
		avg = Double.parseDouble(String.format("%.2f", (double)sum/arIncome.length));
		System.out.println("ZARA 총 매출액: "+sum+"백만원");
		System.out.println("평균매출액:"+avg+"만원");
	}