Deleting a JRE definition
    
    
      
       You can delete Java runtime environment definitions that are available for executing Java programs in the workbench.
    
    
      - 
        Open the
        
         Java > Installed JREs preference page. Java > Installed JREs preference page.
- 
        Select the definition you want to delete and click Remove.
      
- 
        Check the box for the definition that you want to use as the default JRE for the workbench.
      
Java development tools (JDT)
    
      Working with JREs
      Adding a new JRE definition
      Choosing a default JRE
      Choosing a JRE for launching a project
    
      Installed JREs preference page