java.lang.reflect.Array.getLength() Method Example

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Description

The java.lang.reflect.Array.getLength(Object array) method returns the length of the specified array object, as an int.

Declaration

Following is the declaration for java.lang.reflect.Array.getLength(Object array) method.

public static int getLength(Object array)
   throws IllegalArgumentException

Parameters

array − the array.

Return Value

the length of the array.

Exceptions

IllegalArgumentException − If the specified object is not an array.

Example

The following example shows the usage of java.lang.reflect.Array.getLength(Object array) method.

package com.tutorialspoint;

import java.lang.reflect.Array;

public class ArrayDemo {
   public static void main(String[] args) {

      int[] array = new int[]{1,2,3};

      System.out.println("array length = " + Array.getLength(array));
   }
}

Let us compile and run the above program, this will produce the following result −

array length = 3