Java tutorial
import java.lang.reflect.Array; public class MainClass { public static void main(String args[]) { int[] object = { 1, 2, 3 }; Class type = object.getClass(); if (type.isArray()) { Class elementType = type.getComponentType(); System.out.println("Array of: " + elementType); System.out.println("Length: " + Array.getLength(object)); } } }