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Arrays are reference variables, which means simple assignment doesn't make a copy of the values.

In Java, you can have a two-dimensional array where each row has a different number of elements. This is called a ragged array.

Working with parallel arrays in java.

Java methods are somewhat like algebraic functions. Find out how they are similar and different.

In Java, you can have a two-dimensional array where each row has a different number of elements. This is called a ragged array.

Here are two approaches to solving the problem. (I'm not entirely happy with this video; the script just didn't seem to “click” for me, ...

What's going on behind the scenes when you call a method in Java?

When you pass an object to a method, you are passing a copy of the *reference* to that object. That lets you update an object's ...

Creating your first class and instantiating objects from it in Java.

How to pass arrays to methods and return arrays as results.

You can have multiple methods with the same name as long as the number and/or types of the parameters is different.

A brief description of what the Java compiler is on about.

Adding values to an array and using a for loop to acces and work with array elements.

What's the “correct“ way to indent? Where should you put braces in your code? All of this is part of a Java programming style ...

Every programmer should know this easy trick for naming functions irrespective of the programming language he uses. Naming ...

The do/while loop is guaranteed to execute the loop body at least once.

Use a *while* loop to repeatedly get input in a program.

These videos were made for DiscoverE's second MOOC, Intro to App Design, which was released in October 2015. This is a free ...

How to write a method that will take any number of arguments you would like to pass to it; it will treat them as an array.

Here are the most common methods in Java's Math class.