# Building automatically

To enable automatic building:

> Enable Project > Build Automatically or
> select the Window > Preferences > General > Workspace > Build automatically checkbox.

To disable automatic building:

> Disable Project > Build Automatically or
> clear the Window > Preferences > General > Workspace > Build automatically checkbox.

Java builder
Build class path

Building a Java program
Building manually
Viewing compilation errors and warnings
Working with build paths
Adding a JAR file to the build path
Adding a library folder to the build path
Viewing and editing a project's build path

Java Build path