How to Remove the Error in Maveen Project "Build path specifies execution environment J2SE-1.5. There are no JREs installed in the workspace that are strictly compatible with this environment."

To resolve this issue, please do the following steps, 

1. Right click on the Maveen Project.
2. Choose "Build path" in the Menu.
3. Choose "Configure Build path".
4. Choose "Libraries tab".
5. Select "JRE System Library" and click on "Edit: button.
6. Choose "workspace default JRE" and click "Finish".