Maximizing code reuse in your Java programs means writing code that is easy to read, understand, ... Here, we’ve made the saveCustomerPurchase do just one thing: save the customer purchase, ...

First things first, you will have to write the code that you want to run and save that as a Java executable file. For this purpose, you can use either MS Word or Notepad.

Save. Many videogames let you cast your very own magic spells. Usually, this involves pressing the right button on your mouse. ... All spells must be written in Java code.