[JAVA #17] 배열의 합계 및 평균

자바 (java) 배열의 합계 및 평균

 

// sum and average
public class SumAndAverage {
 
    public static void main(String[] args) {
 
        int numArray[] = {211, 240, 189, 99, 312, 105, 22, 14, 659, 48,
                          140, 60, 121, 66, 841, 312, 123, 45, 554, 12,
                          32, 99, 151, 144, 141, 213, 288, 612, 147, 9 };
        int sum = 0;
        double average = 0.0;
 
        for (int i = 0; i < numArray.length; i++) {
                sum += numArray[i];
        }
 
        average = (double) sum/numArray.length;
        System.out.println("Average of numArray: " + average);
 
    }
 
}

 

 

자바(java) 배열의 150 이상인 경우의 합계 및 평균

 

// sum and average
public class SumAndAverage {
 
    public static void main(String[] args) {
 
        int numArray[] = {211, 240, 189, 99, 312, 105, 22, 14, 659, 48,
                          140, 60, 121, 66, 841, 312, 123, 45, 554, 12,
                          32, 99, 151, 144, 141, 213, 288, 612, 147, 9 };
        int sum = 0;
        double average = 0.0;
        int count = 0;
 
        for (int i = 0; i < numArray.length; i++) {
            if (numArray[i] >= 150) {
                sum += numArray[i];
                count++;
            }
        }
 
        average = (double) sum/count;
        System.out.println("Average equal or bigger than 150: " + average);
 
    }
}