It's also integral to the intranet applications and other e-business solutions that are the foundation of corporate computing. Installing this update will ensure that your Java applications continue to run as safely and efficiently as always.
The JRE is the Java Runtime Environment, it covers most end-users needs. Contains everything required to run Java applications on your system. It is a package of everything necessary to run a compiled Java program, including the Java Virtual Machine (JVM), the Java Class Library, the java command, and other infrastructure. However, it cannot be used to create new programs.
The JDK is the Java Development Kit, the full-featured SDK for Java. It has everything the JRE has, but also the compiler (javac) and tools (like javadoc and jdb). It is capable of creating and compiling programs.
Usually, if you only care about running Java programs on computer you will only install the JRE. It's all you need. On the other hand, if you are planning to do some Java programming, you need to install the JDK instead.
Sometimes, even if you are not planning to do any Java development on a computer, you still need the JDK installed. For example, if you are deploying a web application with JSP, you are technically just running Java programs inside the application server. Why would you need the JDK then? Because the application server will convert JSP into Java servlets and needs to use the JDK to compile the servlets.
The full version string for this update release is 9.0.4+11 (where "+" means "build"). The version number is 9.0.4. For the January CPU, two different JDK9 bundles were released:
- Oracle JDK 9.0.4 (contains non-public commercial features, deploy, installers, etc.)
- OpenJDK 9.0.4 (built only from OpenJDK source code)
Software similar to Java SE 6
The Java Platform, Standard Edition 18 Development Kit (JDK 18) is a feature release of the Java SE platform. It contains new features and enhancements in many functional areas.
Java allows you to play online games, chat with people around the world, calculate your mortgage interest, and view images in 3D, just to name a few. This new version is considered a Critical Patch Update.
Java Platform, Standard Edition (Java SE) lets you develop and deploy Java applications on desktops and servers. Java offers the rich user interface, performance, versatility, portability, and security that today's applications require.
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