Java Arrays Course (How To)

Arrays are a container object that allow you store many values of the same type in a single variable

What you'll learn

• Creating Arrays
• Looping
• Sorting
• Varargs

Creation

Learn how to declare and initialize arrays

Chevron 7 steps

• Meet Arrays

  2:35

• Declaring Arrays

  4:44

• Declaration

  2 questions

• Accessing Items

  5:45

• Accessing Items

  3 questions

• Array Literal Shortcut

  3:49

• Create an array literal

  1 objective

Iteration

Learn various ways of iterating over an array in it's entirety

Chevron 8 steps

• Enhanced For Loop

  5:14

• Review Enhanced For Loop

  2 questions

• Ye Olde Unenhanced For Loop

  13:04

• Looping Like These Programmers

  1 objective

• Multidimensional Arrays

  7:25

• Review Multidimensional Arrays

  2 questions

• Looping Over 2d Arrays

  8:02

• Review Looping over 2d arrays

  1 question

Gotchas and Wins

Not everything about arrays can be amazing. Let's look at some difficulties you will encounter

Chevron 7 steps

• Adding and Removing Items Means Copying

  7:57

• Why copy?

  2 questions

• Sorting

  7:21

• Comparator

  1 question

• Array Usage in Method Declarations

  9:35

• i < videos.length

  1:16

• Wrap up

  3 questions