배열 사용하기

package com.study.javastudy.study;

public class ArrayWithForExam {
    public static void main(String[] args) {
        int[] iarray = new int[100];
        iarray[0] = 1;
        iarray[1] = 2;
        System.out.println(iarray.length);

        for (int i=0; i<iarray.length; i++) {
            iarray[i] = i + 1;
        }

        int sum = 0;
        for(int i=0; i<iarray.length; i++) {
            sum = sum + iarray[i];
        }
        System.out.println(sum);
    }
}