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

Purdue AP Computer Science A.

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

ADSB 05_11.

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 ...

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 ...

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

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

As has become tradition, it's time for another new year's Q&A! In the span of three hours, we got through 45 questions covering ...

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

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

If you work in finance, e-commerce, or any area that needs to represent money, the biggest question is how to do it. We need to ...

How to let users supply numeric input to your programs.

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

The System.out.format() method makes it easier for you to get output with your variable values in them. It also lets you make output ...

In our first episode, we explore the classic problem of reversing a singly linked list with an animated conceptual explanation, and ...

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 ...

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

This is an audio version of the Wikipedia Article: https://en.wikipedia.org/wiki/Comparison_of_Java_and_C%2B%2B 00:00:10 1 ...