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Java List Mastery Quiz

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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?

IndexOutOfBoundsException (D) Signup and view all the answers

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

The element at index 2 (A) Signup and view all the answers

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

assertThrows (C) Signup and view all the answers

What annotation is used in the given Java code?

@SuppressWarnings (C) Signup and view all the answers

What exception is being handled in the given Java code?

NullPointerException (D) Signup and view all the answers

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

Arrays.copyOf (D) Signup and view all the answers