W3Schools Java

The types of the Java programming language are divided into two categories: primitive types and reference types . The primitive types (§4.2) are the boolean type and the numeric types. The numeric types are the integral types byte , short , int , long , and char , and the floating-point types float and double .

The Java programming language can be considered as the official language for mobile application development . Most of the android applications build using Java. The most popular android app development IDE Android Studio also uses Java for developing android applications.

Java is a high-level, class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible.

Let’s see each of them in more detail.