1Z0-811 Object-Oriented Programming Practice Question
Which is the correct way to call a superclass constructor from a subclass constructor?
⚠ Common exam trap
Oracle often tests the misconception that `super()` can be placed anywhere in the constructor body, leading candidates to choose option A, when in fact Java strictly requires it as the first statement.
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
✓
super(); as first statement
In Java, a call to the superclass constructor using `super()` must be the first statement in a subclass constructor. This ensures that the superclass initialization completes before any subclass-specific code executes, maintaining the inheritance chain. Option B correctly identifies this requirement.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
super(); anywhere
Why it's wrong here
Must be first.
- ✓
super(); as first statement
Why this is correct
Correct syntax and position.
- ✗
super(); at the end
Why it's wrong here
super() must be first.
- ✗
this.super();
Why it's wrong here
Invalid syntax.
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