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 supports only call by value, so it pass a primitive value, it will not change the original value. But if we convert the primitive values in an object, it will change the original value. We need ...

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 ...