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Java List Mastery Quiz
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Java List Mastery Quiz

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@GratifiedPearl

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Questions and Answers

When working with lists in Java, how are elements accessed?

  • Using the get method (correct)
  • Using the access method
  • Using array indexing
  • Using the retrieve method

    • What does list1.get(0) retrieve in the given Java code?

  • The element at index 2 in list1
  • The element at index 1 in list1
  • The element at index 0 in list1 (correct)
  • The element at the end of list1

    • How is the emptiness of a list checked in Java?

  • Using the isEmpty method (correct)
  • Using the checkEmpty method
  • Using the isNull method
  • Using the hasElements method

    • What exception is being checked in the given Java code?

    <p>IndexOutOfBoundsException</p> Signup and view all the answers

    What does list1.get(2) attempt to retrieve in the given Java code?

    <p>The element at index 2</p> Signup and view all the answers

    What method is used to assert the throwing of an exception in the given Java code?

    <p>assertThrows</p> Signup and view all the answers

    What annotation is used in the given Java code?

    <p>@SuppressWarnings</p> Signup and view all the answers

    What exception is being handled in the given Java code?

    <p>NullPointerException</p> Signup and view all the answers

    Which method is used to create a copy of the array in the given Java code?

    <p>Arrays.copyOf</p> Signup and view all the answers

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