Practice Object Initialization (5.3) - Objects - ICSE 11 Computer Applications

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6 sample questions

Question 1.
What is a constructor in Java?
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Remember it has the same name as the class.
Question 2.
What keyword is used to refer to the current object within a constructor?
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It helps to differentiate between parameters and class variables.
3Question 3.
What does a constructor do when an object is created?
- It deletes the object.
- It initializes the object.
- It updates the object's attributes.
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Think about what happens during the object creation process.
4Question 4.
True or False? Constructors return a value.
- True
- False
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What was the main feature of constructors we discussed?
Question 5.
Design a class 'Animal' with a parameterized constructor that initializes the type and age. Demonstrate its use in a main method.
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Think about what attributes define an 'Animal'.
Question 6.
Explain how parameterized and default constructors can coexist in a class. Give an example.
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Consider how both can be useful for initializing objects differently.

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