Stop writing code comments. There is usually a high correlation between bad code and code with a lot of comments. This is the most obvious sign of messy source code. The goal of every programmer should be to write code so clean and expressive that code comments are unnecessary. The…

What is a primitive type and a wrapper object in Java? How does the compiler handle conversion between the two? When should you use a primitive type or a wrapper object? — Primitive Types Java defines eight primitive data types: byte, short, int, long, float, double, boolean and char. All other variables in java are object reference types. Primitive types in Java are called literals. A literal is the source code representation of a fixed value in memory. …