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

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

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

Formatting numbers for money and other purposes using NumberFormat How to Round a Number to 2 Decimal Places in Java: ...

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

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 ...

Learn how Vaadin helps Java teams build complete web applications with its powerful UI components, Java-based Flow ...

Working with parallel arrays in java.

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

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 ...

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

Learn how to write and run Java programs and use the DrJava interaction panel. Download here: ...

Find out how to specify which classes can and cannot access the methods and properties in other classes. Note: narration at 1:54 ...

This video explains the core concepts of Vaadin Flow. 0:00 - Everything is a component 0:15 - Use layouts to build views 0:31 ...

This video shows the building blocks you use for every Java program you'll write in this course. One additional note: The program ...

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

Java Switch Case Statement.

Find out the limits of using casting when working with polymorphism.

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

Using the try-with-resources construct will allow Java to close files for you automatically so you don't have to do it explicitly.