5 Questions
Explain the purpose of a constructor in Java.
A constructor in Java is a special method used to create objects and initialize their default values.
What does a constructor look like in Java?
A constructor in Java looks like a method with the same name as the class and does not have a return type.
How can a constructor be used to assign default values to object variables?
A constructor can be used to assign default values to object variables by setting these values inside the constructor.
Provide an example of using a constructor to assign default values to a human object in Java.
An example of using a constructor to assign default values to a human object in Java could involve setting the default age to 12 and the default name to "John" inside the constructor.
What happens when an object is created without a constructor in Java?
When an object is created without a constructor in Java, it is stored in the heap memory with default values assigned. For example, if no value is assigned to the age variable, it will have a value of 0, and if no value is assigned to the name variable, it will have a value of null.
Test your knowledge of Java constructors with this quiz. Explore the purpose and functionality of constructors in Java, and deepen your understanding of how they are used to initialize objects.
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