Step 4. Add Libraries to the project
Right click on the glapp project name in the Eclipse left side pane
Click Properties
Click Java Build Path
Click the Libraries tab
Click Add Jars button
Click the plus (+) next to "glapp" to show the jars in the project
Ctrl-click the three jars (glapp.jar, lwjgl.jar, lwjgl_util.jar)
Click OK
Click OK again on the Properties window |