Should i install public jre

JDK Installation Troubleshooting. Before installing the JDK or the JRE on your bit Windows platform, you must verify that it meets the following minimum processor, disk space, and memory requirements. The following table provides the disk requirements for the installed features:. The minimum physical RAM is required to run graphically based applications. Running with less memory may cause disk swapping, which has a severe effect on performance.

Very large programs may require more RAM for adequate performance. For any text in this document that contains the following notation, you must substitute the appropriate update version number:. If you are downloading the JDK installer for bit systems for update 9 Minor 1, Security 1, and Patch 1, then the file name jdk If you are downloading the JRE installer for bit systems for update 9 Minor 1, Security 1, and Patch 1, then the file name jre Downloading the JDK Installer.

Running the JDK Installer. Installing the JDK Silently. Under the Download menu, click the Download link that corresponds to the. Download fhe file jdk Instead of double-clicking or opening the JDK installer, you can perform a silent, noninteractive, JDK installation by using command-line arguments. The following table lists example installation scenarios and the commands required to perform them.

This topic only applies to the JDK. If you do not set the PATH variable, then you must specify the full path to the executable file every time that you run it.

For example:. The PATH environment variable is a series of directories separated by semicolons ; and is not case-sensitive. You should only have one bin directory for a JDK in the path at a time. Those following the first instance are ignored. The new path takes effect in each new command window that you open after setting the PATH variable. The bit Windows operating systems come with a bit Internet Explorer IE browser as the standard default for viewing web pages.

Downloading the JRE Installer. Running the JRE Installer. If you are running behind a proxy server, then you must have your proxy settings correctly configured. If they are not configured, or are incorrectly configured, then the installer will terminate with the following message:.

If you do not know what the correct settings should be, check with your internet provider or system administrator. Windows Offline: jre Windows: jre It requires a commercial license for use in production. By default, the Java Access Bridge is disabled. To access essential Java information and functions in Microsoft Windows 7 and Windows 10 machines, after installation, click the Start menu and then select Java. The Microsoft Windows 8 and Windows 8.

The installation program for the Microsoft Windows version of the Java SE Runtime Environment uses the registry to store path and version information. This key contains the string CurrentVersion , with a value that is the highest installed version on the system.

JavaHome : the full path name of the directory in which the JRE is installed. If there are two versions of JDK or JRE installed on a system, one with the new version-string format introduced in JDK 9, and the other with the older version format, then there will be two different CurrentVersion registry key values.

For example, if JDK 1. During JDK install, Java menu items are added to the Windows Start menu to provide easy access to Java resources and a Java Development Kit folder is created in the Windows Start menu, which contains the following items:. During JDK installation and uninstallation processes, the appropriate start menu items are updated so that they are associated with the latest JDK version on the system.

During JRE installation, Java menu items are added to the Windows Start menu to provide easy access to Java resources and a Java folder is created in the Windows Start menu, which contains the following items:.

The tab displays the latest JRE version installed on the system. Visit Java. During JRE installation and uninstallation processes, the appropriate start menu items are updated so that they are associated with the latest JRE version on the system.

Java Web Start is an application-deployment technology that gives you the power to run full-featured applications with a single click from your web browser. With Java Web Start, you can download and run applications, such as a complete spreadsheet program or an internet chat client, without going through complicated installation procedures.

With Java Web Start, you run applications simply by clicking a web page link. If the application is not present on your computer, Java Web Start automatically downloads all necessary files. It then caches the files on your computer so that the application is always ready to be run anytime that you want - either from an icon on your desktop or from the browser link.

No matter which method you use to run the application, the most current, available version of the application is always presented to you. If you have a previous version of Java Web Start, do not uninstall it. Uninstalling it will cause the download cache to be cleared, and all previously installed Java Web Start application data will have to be downloaded again.

The new version will write over previous installations and automatically update browsers to use the new version. To prevent this problem, ensure that the user and system locales are identical, and that the installation path contains only characters that are part of the system locale's code page. User and system locales can be set in the Regional Options or Regional Settings control panel. The associated bug number is Skip to Content. Installation Instructions Notation For any text in this document that contains the following notation, you must substitute the appropriate update version number: version For example, if you were downloading the JDK installer for bit systems for update 1.

Installation Instructions In these instructions, you run the self-installing executable file to unpack and install the JDK. Installing the JDK Silently Instead of double-clicking or opening the installer, you can perform a silent, non-interactive, JDK installation by using the command-line arguments. Click Advanced , then Environment Variables. If you are not sure where to add the JDK path, append it.

Use the following command to uninstall the JDK in silent mode: msiexec. Note: This command can be run from anywhere. The msiexec. Click Edit and then Find.

Note: Highlight Uninstall folder before performing search for a particular registry. Corrupt Cabinet File If you see the error message "corrupt cabinet file," then the file you have downloaded is corrupted. System Error During Decompression If you see the error message "system error during decompression," then you might not have enough space on the disk that contains your TEMP directory.

Right-click the title bar. Select Properties. Choose the Program tab. Click the Advanced button. Select OK. Select OK again. Restart your computer. Source Files in Notepad In Microsoft Windows, when you create a new file in Microsoft Notepad and then save it for the first time, Notepad usually adds the.

Characters That Are Not Part of the System Code Page It is possible to name directories using characters that are not part of the system locale's code page. In these, development tools is compulsory and others are optional. You can choose optional features not to install but best way is to install them also.

Choose location for installing JDK. If you want, you can change the location. After selecting the location click on Next. Any java application running on your system can use this JRE. It can be uninstalled separately from JDK. It is used by the tools like javac etc. If you want to run any java based applications on your system without invoking java or javac commands, then you need public JRE.

If you want to run any java apps or java binary or java files by invoking commands like java or javac, then you need private JRE. You go through this link to learn how to create executable jar file. After creating jar file, double click on it.