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Java Arrays

  • 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

Well done!

You have completed Why copy?!

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Quiz Question 1 of 2

Since you can add elements to an array by making a new array and copying values into it, how do you suppose you go about removing items?

Choose the correct answer below:

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  • A
    You still make a new copy, one element smaller than the current one, and simply don't copy over the value that you want to remove.
  • B
    I've given up all hope.
  • C
    You call the method deleteItemAt and pass the index you want deleted.
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