The size or length count of an array in Java includes both null and non-null characters. Unlike the String and ArrayList, Java arrays do not have a size () or length () method, only a length property.

With Java running critical applications the world over, the nearly 25-year-old programming language must balance its community’s affection for its syntax with new trends.

The correct way to convert a String to long in Java is with the parseLong method of the wrapper class. The constructor conversion approach is deprecated! Use parseLong instead.