Create TwoDimensionArr.java

Author: zxk-gif

二维数组的遍历/TwoDimensionArr.java

@@ -0,0 +1,59 @@
+package com.company;
+
+public class TwoDimensionArr {
+
+    public static void main(String[] args){
+     //数据类型 [][] 数组名 = new 数据类型 [整数][整数]
+
+      /*
+      int [][] arr = new int[3][3];
+         0   1    2
+
+      0  12   44   6
+
+      1   54   67  88
+
+      2   22   56   11
+
+       */
+
+       int [][] arr = new int[3][3];
+       arr[0][0] = 12;
+       arr[0][1] = 44;
+       arr[0][2] = 6;
+
+        arr[1][0] = 54;
+        arr[1][1] = 67;
+        arr[1][2] = 88;
+
+        arr[2][0] = 22;
+        arr[2][1] = 56;
+        arr[2][2] = 11;
+
+
+
+        for (int i = 0; i < arr.length; i++){
+            for (int j = 0; j < arr[i].length; j++)
+            {
+                System.out.print(arr[i][j]+"\t");
+            }
+                System.out.println();
+        }
+
+        System.out.println();
+
+        int array [][] = {{1,2,3},{4,5,6} ,{7,8,9}};
+
+       for (int i = 0; i < array.length; i++){
+            for (int j = 0; j < array[i].length; j++){
+                System.out.print(array[i][j]+"\t");
+            }
+
+                System.out.println();
+       }
+
+
+
+
+    }
+}