Generating random numbers to deploy a sub
We need to deploy a sub' in a random position at the start of each game. There are, however, many possible uses for random numbers, as we will see throughout this book. So, let's take a close look at the Random class and one of its methods, nextInt.
The Random class and the nextInt method
Let's have a look at how we can create random numbers. Then, later in this chapter, we will put it to practical use to spawn our sub'. All the demanding work is done for us by the Random class.
Important note
The Random class is part of the Java API, which is why there is a slightly different import statement to get access to it. Here is the line we added in Chapter 2, Java – First Contact:
import java.util.Random;
Note that this is the only import statement (so far) that starts with java… instead of android….
First, we need to create and initialize an object of the Random type. We can do so like...