AP CSA Unit 3 Day 24: Constructor No Return

Unit 3, Classes & Objects • Cycle 2
Day 24 Advanced Practice • Harder Difficulty
Focus: Constructor No Return Hard Constructor No Return

Advanced Practice Question

Format: Constructor No Return

What happens when you compile this code?
public class Widget {
    private int id;
    
    public void Widget(int x) {
        id = x;
    }
}
Difficulty: Hard  |  Topic: Constructor No Return  |  Cycle: 2 (Advanced)
Why This Answer?

This is NOT a constructor because it has a return type (void). Constructors never have return types. This is just a regular method named Widget.

Common Mistake
Watch Out!

Thinking a method with the class name is automatically a constructor.

AP Exam Strategy

Constructors have NO return type (not even void). If it has a return type, it's a method.

Master This Topic

This Cycle 2 HARD question tests constructor no return. Review Unit 3 concepts to build mastery of classes & objects.

  • Understanding constructor no return
  • Tracing code execution accurately
  • Avoiding common pitfalls
View Unit 3 Study Guide

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