# Preferences: Runtime Environment

In this window you can change some settings of the runtime environment:

Select the runtime environment by using the tabs:

### Java 1.1

Enter the name of the Virtual Machine of your JDK 1.1. It is located in the "bin" - directory of your JDK installation and named "java" in UNIX or "Java.exe" in Windows. This setting will be used for all further projects.

Use the pulldown menu to define the language in which the selected VM will be started. This option is especially usefull for testing the localization of your project.

In the following textfield, "Java VM Options", you can customize additional options for the VM. Possible options are listed in the documentation of your JDK.

The arguments are haded to the called main - method without changes.

### Java 2

Enter the name of the Virtual Machine of your JDK 1.2. It is located in the "bin" - directory of your JDK installation directory and named "java" in UNIX or "Java.exe" in Windows. This setting will be used for all following projects.

Use the pulldown menu to define the language in which the selected VM will be started. This option is especially usefull for testing the localization of your project.

In the following textfield, "Java VM Options", you can customize additional options for the VM. Possible options are listed in the documentation of your JDK.

The arguments are haded to the called main - method without changes.