Open Source Physics

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Java is the general term used to denote both the Java programming language and Java software development and distribution programs such as the Java Runtime Environment (JRE), the Java Development Kit (JDK), and Java Virtual Machine (JVM). Because Open Source Physics programs require Java, we provide answers to some common Java-related questions. For a discussion of Java terminology see: http://www.java.com/en/download/help/index.xml/ Java Runtime Environment(JRE): The Java Runtime Environment (JRE) provides the libraries, the Java Virtual Machine, and other components to run applets and applications written in the Java programming language. In addition, two key deployment technologies are part of the JRE: Java Plug-in, which enables applets to run in popular browsers; and Java Web Start, which deploys standalone applications over a network. It is also the foundation for the technologies in the Java 2 Platform, Enterprise Edition (J2EE) for enterprise software development and deployment. The JRE does not contain tools and utilities such as compilers or debuggers for developing applets and applications. You can download the JRE from the Sun Java site: http://www.java.com/en/index.jsp Java SE Development Kit(JDK): The Java Standard Edition Development Kit (JDK) is a superset of JRE. It includes the Java Runtime Environment (JRE) and command-line development tools, such as compilers and debuggers, that are necessary or useful for developing applets and applications. You only need JDE if you are compiling Java source code. You can download the JDK from the Sun developer site: http://java.sun.com/javase/ Eclipse: Eclipse is an integrated development environment (IDE) written primarily in Java. In its default form it is meant for Java developers. Although OSP code is written in standard Java and can be compiled with any Java development environment, we have chosen to use Eclipse. You must download and install both the JDK and Eclipse in order to use the OSP Eclipse workspace. Eclipse can be obtained from the Eclipse organization website: http://www.eclipse.org/

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