The answer is that a default constructor is provided if no constructor is defined, and constructors cannot have a return type, not even void. This is because the Java Language Specification (JLS §8.8) defines a constructor as a special method that initializes a new object, and its name must exactly match the class name with no return type declared. If you accidentally add a return type, the compiler treats it as a regular method, which is a common trap on the Oracle Java Foundations 1Z0-811 exam. This question tests your understanding of constructor syntax versus method syntax, often appearing in multiple-choice questions where one wrong option states that constructors can return void. A helpful memory tip is "No return, no void, just the class name employed."
1Z0-811 Java Basics and Syntax Practice Question
This 1Z0-811 practice question tests your understanding of java basics and syntax. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Which TWO statements about constructors are true? (Choose two.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Constructors have no return type
Option A is correct because constructors in Java do not have a return type, not even void. If a return type is specified, the Java compiler treats the method as a regular method, not a constructor. This is a fundamental syntactic rule defined in the Java Language Specification (JLS §8.8).
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
Constructors have no return type
Why this is correct
Constructors are special methods with no return type.
Related concept
Read the scenario before looking for a memorised answer.
✗
The compiler always provides a default constructor
Why it's wrong here
Only if no constructor is explicitly defined.
✓
A default constructor is provided if no constructor is defined
Why this is correct
If no constructor is defined, the compiler generates a default no-arg constructor.
Related concept
Read the scenario before looking for a memorised answer.
✗
Constructors can be declared as abstract
Why it's wrong here
Constructors cannot be abstract or static.
✗
Constructors have a return type of void
Why it's wrong here
Constructors do not have any return type, not even void.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Oracle often tests the misconception that constructors have a return type of void, or that the compiler always provides a default constructor, even when other constructors are defined.
Detailed technical explanation
How to think about this question
Under the hood, the Java compiler inserts a default no-argument constructor only when the class contains no explicit constructor definitions. This default constructor has the same access modifier as the class and calls super() implicitly. A real-world scenario where this matters is when designing a class that requires mandatory initialization parameters; if you define a parameterized constructor and forget to define a no-arg constructor, the default constructor is not provided, and code expecting a no-arg constructor will fail to compile.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the 1Z0-811 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Java Basics and Syntax — This question tests Java Basics and Syntax — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Constructors have no return type — Option A is correct because constructors in Java do not have a return type, not even void. If a return type is specified, the Java compiler treats the method as a regular method, not a constructor. This is a fundamental syntactic rule defined in the Java Language Specification (JLS §8.8).
What should I do if I get this 1Z0-811 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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