영상
개념
package 배열9_개념;
public class 배열9_개념04_배열의주소개념 {
public static void main(String[] args) {
int[][] darr = new int[3][];
System.out.println(darr[0]); // null
System.out.println(darr[1]);
System.out.println(darr[2]);
int[] arr1 = {10,20,30,40,50};
int[] arr2 = {1,2,3,4};
int[] arr3 = {5,4,3,2,1};
System.out.println(arr1);
darr[0] = arr1;
darr[1] = arr2;
darr[2] = arr3;
System.out.println(darr[0]);
for(int i = 0; i < darr.length; i++) {
for(int j = 0; j < darr[i].length; j++) {
System.out.print(darr[i][j] + " ");
}
System.out.println();
}
}
}
Java
복사
