To recap, part one of this tutorial explained that Java was an ‘object oriented’ language. This means that we’re using classes to define ‘objects’ (objects essentially containing data ...

However, there are collection classes in Java that act like a Java array but resize themselves automatically. Any class that extends the List interface expands dynamically. Java arrays do not expand ...

For more on that, check out our guide to Android development for beginners. For the purposes of this Java tutorial, it may be easier to write your code directly into a Java compiler app.

How do you find the size of an array in Java? Just use the array length property. But there are some 'gotchas' to be aware of. Read this Java array length tutorial and stay clear of runtime errors ...

How to Assign Random Numbers to an Array in Java. Java has a "Random" class that lets you generate a random number you use to implement calculations in your Java source code.

Use Java's packages and static imports to organize top-level types and simplify access to their static members.

Learn about serialization in Java with our comprehensive tutorial. We provide examples to help you understand how serialization works.