jar files, many tools for 'decompiling' class files, inspect. That includes the compiler obviously (which is also contained in the JRE for some good reason, but you can ignore this fact now), the JAR utility to create. It contains the JRE as well as a lot of other useful stuff for developing Java applications. If you are running any Java program on your computer, you have a JRE installed. all the way to 1.7, also known as Java 7) usually contain improvements to both the JVM and the standard library, so the two usually need to run together, and are packaged together in the JRE. It contains all the stuff in java.* packages and some private stuff in com.sun, com.oracle packages.ĭifferent versions of Java (1.0, 1.1, etc. The standard library is itself very important, because it contains a lot of useful things you'll use when developing Java applications.

It includes everything needed to run a Java application, that is the JVM itself, the standard library and a bunch of other files. However, commonly a sysadmin will say 'the JVM' to indicate the actual binary running on the server). (many will disagree and say that the JVM is only one, and it's a specification. but there are also many alternative JVMs, JVMs for embedded device etc. There are many JVMs, for example you need a JVM for Windows, one for Linux, one for OSX etc.

class files packaged together) and execute it. It is a program that can read compiled Java code (the. Together, they provide a complete, stand-alone development environment in which applications written for the Java Card platform can be developed and tested.įor more information on the Java Card Development Kit, refer to the User GuideĪlways make sure to download the latest Java Card Development Kit Tools for up-to-date security.You didn't ask for it, but I'll start from here. It includes a Java Card simulation environment and Eclipse plug-in.

The Java Card Development Kit Simulator offers a testing and debugging reference for Java Card applications.

The Java Card Development Kit Tools are used to convert and verify Java Card applications.

It is now available as two independent bundles : The Java Card Development Kit is a suite of tools for designing implementations of Java Card technology and developing applets based on the Java Card API Specification.

This page contains links and instructions to download the latest Java Card Development Kit Tools and Simulator.

Java se development kit 6u37