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Primitives (int, double, etc.) have values stored in their memory locations. Objects have references to the memory where the data ...

A discussion of Java memory management with reminders about references.

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

Purdue AP Computer Science A.

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

How to get something better than the name of a class and its memory reference when you print an object reference.

Java Tutorial: Java Data Types We already covered theory concepts about different data types. In this video we will look on how to ...

ArrayLists let you store an arbitrary number of items, unlike Arrays, which have a fixed length. Here are some of the most-used ...

Join this channel to get access to perks: https://www.youtube.com/channel/UC4C_tfy6WLDxzVVO3y6YinA/join This is my ...

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 ...

In diesem Video zeige ich euch einen weiteren Aspekt der Objektorientierung in JavaScript und stelle euch die Methoden vor, mit ...

The video shows how to code an Electric Bill program that inputs kilowatt hours used (kWh) and break it down into three billing ...

A continuation of a discussion of object references and an overview of Java interfaces.

ADSB 05_11.

What's going on behind the scenes when you call a method in Java? Note: in this video, the call stack grows upwards, like a stack ...

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

Week 10 Programming slides!

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

Quick overview of classes, objects, attributes, constructors, and methods.

Learn how to use the "extends" and "super" keywords to allow one class to inherit all of another class's methods and fields.