The following preferences can be set using the 
       Java > Installed
      JREs preference page.
    
This page allows a default JRE to be selected as well as adding new JRE installations.
| Option | Description | 
|---|---|
| Installed JREs | The current listing of installed JREs, allowing you to select the one to act as the workspace default | 
| Adds a new JRE definition to the workbench. | |
| Allows you to edit the selected JRE. | |
| Duplicate... | Creates a new JRE with the same attributes as the selected JRE. | 
| Remove | Removes the selected JRE from the workbench. | 
| Search... | Automatically searches for JREs installed in the local file system and creates corresponding JRE definitions in the workspace. |