1Z0-829 Working with Streams and Lambda Expressions Practice Question

Match each exception class to its category (checked/unchecked).

Drag a concept onto its matching description — or click a concept then click the description.

Concepts

Matches

Checked exception

Unchecked exception

Checked exception

Unchecked exception

Checked exception

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

✓

IOException: Checked

Checked exceptions must be handled or declared; unchecked extend RuntimeException.

Answer analysis

For each option: why learners choose it and why it is or isn't the right answer here.

✓
IOException: Checked
Why this is correct
IOException is a checked exception; it must be handled or declared.
✓
SQLException: Checked
Why this is correct
SQLException is a checked exception; it must be handled or declared.
✓
NullPointerException: Unchecked
Why this is correct
NullPointerException extends RuntimeException, so it is unchecked.
✗
ArrayIndexOutOfBoundsException: Checked
Why it's wrong here
Incorrect — ArrayIndexOutOfBoundsException extends RuntimeException and is unchecked.
✗
IllegalArgumentException: Checked
Why it's wrong here
Incorrect — IllegalArgumentException extends RuntimeException and is unchecked.

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