Can I delete classpath file?
To delete an existing class path variable: From the menu bar, select Window > Preferences. Expand the Java category in the left pane, and select Classpath Variables. Select the variable(s) you want to delete in the Defined class path variables list and click the Remove button.
How to add Java build path entries in Eclipse?
Procedure. In Eclipse select the web project and right-click Build Path > Configure Build Path. This will display the Java Build Path window. Add the CICS and Liberty libraries, click Add Library > CICS Liberty libraries > Next > Finish.