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Java is a set of computer software and specifications that provides a software platform for developing application software and deploying it in a cross-platform computing environment. Java is used in a wide variety of computing platforms from embedded devices and mobile phones to enterprise servers and supercomputers.
The Java language has undergone several changes since JDK 1.0 as well as numerous additions of classes and packages to the standard library.Since J2SE 1.4, the evolution of the Java language has been governed by the Java Community Process (JCP), which uses Java Specification Requests (JSRs) to propose and specify additions and changes to the Java platform.
The primary advantage of running Java in a 64-bit environment is the larger address space. This allows for a much larger Java heap size and an increased maximum number of Java Threads, which is needed for certain kinds of large applications; however there is a performance hit in using 64-bit JVM compared to 32-bit JVM.
Pentium 166 MHz or faster processor with at least 64 MB of physical RAM; 98 MB of free disk space; Download and install the latest Java Virtual Machine in Internet Explorer. 1. Go to www.java.com. 2. Click Free Java Download. 3. Click Agree and Start Free Download. 4. Click Run. Notes: If prompted by the User Account Control window, click Yes.
Java is a high-level, class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible. It is a general-purpose programming language intended to let programmers write once, run anywhere ( WORA ), [16] meaning that compiled Java code can run on all platforms that support Java without the ...
e. Java Platform, Standard Edition ( Java SE) is a computing platform for development and deployment of portable code for desktop and server environments. [1] Java SE was formerly known as Java 2 Platform, Standard Edition ( J2SE ). The platform uses the Java programming language and is part of the Java software-platform family.
The Java Development Kit ( JDK) is a distribution of Java technology by Oracle Corporation. It implements the Java Language Specification ( JLS) and the Java Virtual Machine Specification ( JVMS) and provides the Standard Edition ( SE) of the Java Application Programming Interface ( API ). It is derivative of the community driven OpenJDK which ...
SableVM – first free software JVM to support JVMDI and JDWP. Makes use of GNU Classpath. LGPL. Version 1.13 released on March 30, 2007. Squawk virtual machine – a Java ME VM for embedded systems and small devices. Cross-Platform. GPL. SuperWaba – Java-like virtual machine for portable devices. GPL.