This is an in-depth java tutorial for beginners. Learn what Java is, how to get started, and how to build basic apps using key concepts!

The JDK is the development platform for building Java applications. Learn about different JDK versions, then install a JDK in your development environment and use it to compile a Java program.

SIP Servlet Defined in Java Specification Request 116, the SIP Servlet Specification provides a container-servlet programming model for SIP applications.

There's Java the programming language and then there are several Java platforms that Java apps run in, consisting of the Java Virtual Machine or "JVM" and its application-programming interfaces.