In this step, you perform a local build of the development components (DCs) you have created.
You are in the Java perspective.
...
1. Switch to the Java DC Explorer view.
2. In the context menu of your DC, choose Development Component → Build...
The dialog window Build Development Components appears.
3. Select your project node and confirm with OK.
The DC is compiled, but no archives are created since the DC has no public parts up to now.