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1Z0-829 Practice Question: Handling Date, Time, Text, Numeric and Boolean Values
Arrange the steps to create a custom exception class in Java in the correct order.
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
✓
1. Define a class that extends Exception or RuntimeException. 2. Add constructors (default, with message, with cause). 3. Optionally override methods like getMessage() or toString().
Custom exceptions extend Exception (checked) or RuntimeException (unchecked). Constructors typically call super(message) or super(cause).
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
1. Define a class that extends Exception or RuntimeException. 2. Add constructors (default, with message, with cause). 3. Optionally override methods like getMessage() or toString().
Why this is correct
This is the correct order because the class must be defined to extend the appropriate exception class first, then constructors are added to allow custom error messages and cause propagation, and finally any method overrides are optional.
- ✗
1. Add constructors (default, with message, with cause). 2. Define a class that extends Exception or RuntimeException. 3. Optionally override methods.
Why it's wrong here
This is incorrect because you cannot add constructors without first defining the class. The class must exist before you can add any members to it.
- ✗
1. Define a class (without extending Exception or RuntimeException). 2. Add constructors that call super(message). 3. Optionally override methods.
Why it's wrong here
This is incorrect because the class must extend Exception or RuntimeException to be a custom exception. Without inheritance, it is just a regular class, not a throwable exception type.
- ✗
1. Override methods like getMessage() or toString(). 2. Define a class extending Exception or RuntimeException. 3. Add constructors.
Why it's wrong here
This is incorrect because method overriding can only be done after the class is defined and constructors are typically added before overriding methods, as constructors are essential for exception instantiation.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 1Z0-829 practice question is part of Courseiva's free Oracle certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 1Z0-829 exam.