How to Iterate Set in Java

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

Based on the following Set, which of the following correctly iterates over all items in the Set?

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1. Based on the following code, in what order will the values display after iterating through the set?

2. Based on the following snippet of a Set, which of the following declarations would sort it in ascending order?

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About This Quiz & Worksheet

The use of the Java set iterator is what you'll be tested on during this combination of a quiz and worksheet. Questions ask about a given code that correctly iterates over all items in a set, as well as the first value displayed on a screen after a specific code runs.

Quiz & Worksheet Goals

With this quiz, you can check your knowledge of the topics listed below, which appear in question form:

  • The order in which values are displayed after iteration
  • Sorting in ascending order
  • Fixing a compiling error
  • The first value displayed after a specific code runs

Skills Practiced

  • Information recall - remember what you have learned about sorting in ascending order
  • Making connections - understand how to fix an error when running the compiler
  • Knowledge application - use what you know to answer a question about the correct iteration over all items in a Set

Additional Learning

For more on the subject, check out the lesson titled How to Iterate Set in Java. Using this, you can delve into the following extra topics:

  • HashSet and TreeSet
  • Using the for loop
  • Output displayed with examples of code input
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