Lessons

Averaging an Array

Use the sum method you just created to calculate the average value of an array of integers

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Summing an Array

Create a sum method that returns the result of adding together every value of an integer array

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Array Method Exercises

Here begins our segment on practicing arrays through building array helper methods

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Array length

The length of an array returns the number of elements in the array. We can use this to tell our for loops how many times to repeat

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Traversing Arrays

Traversing an array means to visit each element in the array sequentially. We may modify these values or simply read them depending on what we are trying to accomplish.

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Creating an Array

Here we will create arrays using multiple methods in Java

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Arrays Intro

Arrays allow programmers to store multiple values in a single variable

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Tower Defense 1

Create a path using a list of node positions

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Static Class Methods

Static Class methods let us call methods directly on the Class, rather than on a specific Object of the Class

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Copy Constructor

A copy constructor allows you to duplicate an object by passing it into the constructor of the same class. In this lesson we will pass a Cnum to a new Cnum in order to make a duplicate of the original.

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Complex Arithmetic

Adding arithmetic computations to our Cnum class

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Complex Numbers

For the next few lessons, we will be making a complex number class to illustrate the concepts we've learned

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Mutator Methods

Mutators are methods that change the value of the object they are called on

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Setter Methods

Setters are public access methods that allow users to write to private property fields. These may come with protections to prevent users from writing invalid data

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Getter Methods

Getter methods are public methods that allow users to read the value of private class members without offering them the ability to overwrite these values

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Private access methods

A private method is one which can only be used within the Class where it is defined

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Public access methods

A public method is one that is available to processes outside of the Class itself

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Class Methods

Classes, in addition to holding several properties, can also contain methods

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Introduction to Classes

A Class is a custom data type. Classes can represent more complex data than integers or strings.

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What is a Condition?

Learn about conditional expressions, comparison operators, and logical operators.

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What is a Variable?

Learn about creating and using variables in Javascript

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Side Scroll Adventure: The Alternate Ending

Convert your Sidescroller game to share with the world!

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What is a Value?

Learn about different values we use in Javascript

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Doug's Test Lesson

Test

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Nested for loop challenge

Write a program to produce a checkerboard

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