Lessons
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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Nested for loop challenge
Write a program to produce a checkerboard
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Nested for loops
We can nest loops to repeat a set of repeated actions a certain number of times
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Contains
Write a function that checks if a given string contains a given substring.
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