Practice What Is A Constructor? (3.1) - Constructors - ICSE 10 Computer Applications

Practice: What is a Constructor?

Lesson 3.1Constructors

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9 questions

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Exercise
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6 sample questions

Question 1.
What is the purpose of a constructor in a class?
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Think about the role constructors play in object state.
Question 2.
True or False: A constructor can have a return type.
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Recall the defining properties of constructors.
3Question 3.
What is the main purpose of a constructor?
- To execute certain code
- To initialize an object
- To store data
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Think about what happens immediately when you create an object.
4Question 4.
True or False: All classes must have a constructor explicitly defined.
- True
- False
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Consider what occurs if you don't create one.
Question 5.
Create a class Rectangle with a default constructor that sets length and width to 1. Then, add a parameterized constructor that initializes the rectangle's dimensions based on provided values.
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Consider the constructors and how they set the properties.
Question 6.
Design a Person class that employs constructor overloading to include three different constructors: one with just a name, one with name and age, and one with name, age, and address.
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Think about how overloading can help accommodate different input scenarios.

5 more questions in this section. Enroll free to practise them all.