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

Using methods in java.

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

Working with parallel arrays in java.

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Using if, if else, and while statements in Java.

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

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

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

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 ...

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

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

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

ADSB 05_05.

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 ...

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, ...

Java Tutorial: Methods It's time to learn the first step toward object-oriented programming. Finally, we can learn about methods in ...

The substring() method lets you extract a section of a String; indexOf() lets you find where one String is contained within another ...

In this video tutorial, we'll explore the powerful Java Consumer interface and learn how it can help you generate new values by ...

Learn how to declare, initialize, and iterate through arrays.