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

Converting Arrays to ArrayLists, and the remove(), contains(),indexOf(), and lastIndexOf() methods.

Arrays aren't only for ints, doubles, etc. You can put objects into them. This video shows you how to create and initialize an array ...

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

Working with parallel arrays in java.

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

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

Java Tutorial: Arrays and Multi-Dimensional Arrays Arrays are variables than can hold more than one value. They can be ...

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

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

ADSB 06_02.

In this video tutorial, we'll explore the powerful Java Supplier interface and learn how it can simplify your code by generating data ...

Immutability and pączki. And how do you think, where is the border? Where do you decide that enough is enough and reach for ...

Handling a two-dimensional arrays that represent a matrix of rows and columns.

I accidentally turned off the audio during the Zoom session, so I have re-recorded the remainder of the lecture (and it's probably ...

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 ...

Encapsulation is the key to a good code design, but how to archive it? Java developers automatically think about putting getter ...

Discover powerful advanced tips for utilizing Java records effectively. Learn how to leverage compact constructors and ensure ...