The purpose of Java Update is to provide the latest update of Java to your computer in a flexible manner via options that you select. Java Update - Installing the public JRE automatically installs the Java Update feature. See this note on Proxy Settings and Authentication. (The JDK also contains a private JRE for use only by its tools.)įor issues related to Windows Online Installation (IFTW) and Java Update, see the Windows Installation (IFTW) and Java Update FAQ. As part of the JDK, this installation includes the Java Plug-in and Java Web Start, as well as an option to include the public Java 2 Runtime Environment.
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In this procedure, you will run the self-installing executable to unpack and install the JDK software bundle.
Note - Trying to install the JDK on a non-supported version of Microsoft Windows or on a machine that doesn't have a sufficiently up-to-date Service Pack will cause the installer to generate this warning: "We recommend that you do not install this Java platform for the following reasons: This Java platform does not support the operating system or operating-system service pack on this machine." Installation Instructions Note - The JDK has two version numbers - external version number 5.0 and internal version number 1.5.0. Very large programs may require more RAM for adequate performance.įor the amount of disk space required, see Windows Disk Space Requirements. Running with less memory may cause disk swapping which has a severe effect on performance. More RAM is recommended for applets running within a browser using the Java Plug-in. The minimum physical RAM is required to run graphically based applications. For supported versions of Windows, along with disk and RAM requirements, see System Configurations. J2SE Development Kit 5.0 (JDK 5.0) is supported on Microsoft Windows running Intel IA32, 100% compatible processors, and AMD Opteron 32.