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Java

Java is a general-purpose programming language that is class-based, object-oriented, and designed to have as few implementation dependencies as possible. It is intended to let application developers write once, run anywhere (WORA), meaning that compiled Java code can run on all platforms that support Java without the need for recompilation. Java applications are typically compiled to bytecode that can run on any Java virtual machine (JVM) regardless of the underlying computer architecture. The syntax of Java is similar to C and C++, but it has fewer low-level facilities than either of them. As of 2019, Java was one of the most popular programming languages in use according to GitHub, particularly for client-server web applications, with a reported 9 million developers. Java was originally developed by James Gosling at Sun Microsystems (which has since been acquired by Oracle) and released in 1995 as a core component of Sun Microsystems' Java platform. The original and reference implementation Java compilers, virtual machines, and class libraries were originally released by Sun under proprietary licenses. As of May 2007, in compliance with the specifications of the Java Community Process, Sun had relicensed most of its Java technologies under the GNU General Public License. Meanwhile, others have developed alternative implementations of these Sun technologies, such as the GNU Compiler for Java (bytecode compiler), GNU Classpath (standard libraries), and IcedTea-Web (browser plugin for applets).

Java Platform, Enterprise Edition - The Java EE Tutorial Release 7

“This tutorial is a guide to developing enterprise applications for the Java Platform, Enterprise Edition 7 (Java EE 7), using GlassFish Server Open Source Edition. GlassFish Server Open Source Edition is the leading open-source and open-community platform for building and …

Processing XML with Java

“XML is one of the most desirable skill along with Java. You often need to work with XML files in large projects, as it’s one of the most widely used data transport format. This Java book is a comprehensive …

Think Java - How to Think Like a Computer Scientist

“Think Java is an introduction to Java programming for beginners. It is tailored for students preparing for the Computer Science Advanced Placement (AP) Exam, but it is for anyone who wants to learn Java.”

Java™ Application Development on Linux

“Linux is the fastest-growing Java development platform because it saves money and time by serving as a platform for both development and deployment. But developers face significant platform-specific challenges when managing and deploying Java applications in a controlled production environment …

The Java Language Specification, Java SE 7 Edition (Java Series)

“Official Java language specification for Java SE 7 edition is available online to view as HTML and download as PDF. This is the best FREE resource in Java, as it’s from source and contains most up-to-date details about Java …