Java tutorial
import java.lang.reflect.Array; public class Main { public static void main(String[] args) { String str = "This is from java2s.com"; Class cls = str.getClass(); boolean arr = cls.isArray(); System.out.println(arr); Object array = Array.newInstance(int.class, 3); Class type = array.getClass(); if (type.isArray()) { Class elementType = type.getComponentType(); System.out.println("Array of: " + elementType); System.out.println("Array size: " + Array.getLength(array)); } } }