To compile and run these programs, you only need JDK 8 installed.

Invoking `gradlew` will automatically download and install Gradle.

Gradle will also install all additional libraries necessary to compile

and run the Java examples in the book.

To compile everything, the command is:

To run everything (including compiling if necessary), the command is:

To compile only a single chapter (including dependencies), use for example:

To run only a single chapter, say: