What is a Literal? A Literal in the Java source code is used to specify valuesconstants. In Java, we can specify values of the primitive types, the String type and the null type. null is a special type which does not have a name, we only have a value...

Data Types in Java All the data types in Java have been categorized into two, primitive data types and the reference data types. The primitive types, also known as built-in types, are byte, short, int, long, float, double, char and boolean. The re...

Identifiers in Java In the Java source code, we define/declare several entities. These entities are identifiable by some names. Identifiers are used to give names to the entities. These identifiers are used for naming the classes, interfaces, enums,...