In the above example, I’ve used the same good old java.util.ArrayList but in Groovy the context is implicit. Calls to add and size are automatically routed to the cart object — Groovy’s with ...

Essence over ceremony. The Java language syntax is heavy on ceremony, which is one of the characteristics that lends itself to the writing of tomorrow’s legacy code. Ceremony in this case means ...

To find the size of a Java array, query an array’s length property. The Java array size is set permanently when the array is initialized. The size or length count of an array in Java includes both ...

As you can see in the following var examples, the left-hand side of the assignment does not reference a Java types such as long, double or ArrayList. Instead, it uses the Java var keyword, which ...