Java Examples - Get array length

Java Examples

In this paper, we will introduce how to use the length property of the array to get the length of the array.

The following example, we define a two-dimensional array, and get the length of the array:

/*
 author by w3cschool.cc
 文件名：Main.java 
 */

public class Main {
   public static void main(String args[]) {
      String[][] data = new String[2][5];
      System.out.println("第一维数组长度: " + data.length);
      System.out.println("第二维数组长度: " + data[0].length);
   }
}

The above code is run output is:

第一维数组长度: 2 
第二维数组长度: 5

Java Examples