package com.Summer_0421.cn; import java.util.Arrays; /**
* @author Summer
* 动态二维数组赋值及for循环遍历和toString遍历
*/
public class Tesrt04 { public static void main(String[] args) {
int[][] arr = new int[2][2];
arr[0][0] = 100;
arr[0][1] = 1;
arr[1][0] = 10;
arr[1][1] = 1000;
for (int i = 0; i < arr.length; i++) {
for (int j = 0; j < arr[i].length; j++) {
System.out.print(arr[i][j]+" ");
}
System.out.println();
}
for (int[] is : arr) {
for (int i : is) {
System.out.print(i+" ");
}
System.out.println();
}
for (int i = 0; i < arr.length; i++) {
System.out.println(Arrays.toString(arr[i]));
}
}
}