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Free Response Question 1: Removing Duplicates From an ArrayList

Free Response Question 1: Removing Duplicates From an ArrayList

In this exercise, you'll remove duplicates from an ArrayList type object.

We'll cover the following...

Background

Suppose we have a bucket of colorful balls. Your task is to make sure that no ball of the same color is repeated. For example, if there are:

  • 2 red balls: đź”´, đź”´
  • 2 green balls: 🟢, 🟢
  • 1 blue
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