大数据学习20190329

数组

 1 public class ArrayDemo03 {
 2 
 3     public static void main(String[] args) {
 4         
 5         int[] arr1 = new int[]{1,2,3,5};
 6         for (int i = 0; i < arr1.length; i++) {
 7             System.out.print(arr1[i]+"\t");
 8             
 9         }
10         System.out.println();
11         int[][] arr2 = new int[3][];
12         arr2[0] = new int[]{2,4,5};
13         arr2[1] = new int[]{1,3};
14         arr2[2] = new int[]{2,14,5,56};
15         for (int i = 0; i < arr2.length; i++) {
16             for (int j = 0; j < arr2[i].length; j++) {
17                 System.out.print(arr2[i][j]+"\t");        
18             }
19             System.out.println();
20         }
21         int[][] arr3 = {{1,2},{34,56,78},{23,56,789,90}};
22         for (int i = 0; i < arr3.length; i++) {
23             for (int j = 0; j < arr3[i].length; j++) {
24                 System.out.print(arr3[i][j]+"\t");        
25             }
26             System.out.println();
27         }
28     }
29 }
posted on 2019-03-29 16:39 野犬阅读(91) 评论(0) 收藏举报