1. to wrap primitive into object forms so that we can handle primitives also just like objects. 2. To define several utility methods which are required for primitives. Constructors Almost all wrapper ...

Java wrapper classes provide a way to use primitive data types as objects. The eight primitive data types in Java (byte, short, int, long, float, double, char, and boolean) have corresponding wrapper ...

Community driven content discussing all aspects of software development from DevOps to design patterns. The correct way to convert a String to long in Java is to use the parseLong(String x) method of ...