package Array;

public class ArrayExample1 {

public static void main(String[] args){

int[] numbers = {10,20,30,40,50};

System.out.println(numbers[2]);

System.out.println(numbers[4]);

numbers[2] = 100; // 배열 값 수정

System.out.println("배열 출력");

for(int number : numbers){

System.out.println(number);

}

System.out.println("배열 출력");

for(int i = 0; i<numbers.length; i++){

System.out.println(numbers[i]);

}

System.out.println("배열의 합 구하기");

int sum = 0;

for(int number2 : numbers){

sum += number2;

}

System.out.println(sum);

System.out.println("배열의 평균 구하기");

double average = (double)sum/numbers.length;

System.out.println(average);

}

}