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Question:
(a) Describe what is meant by a ‘constructor' in Java. Use a simple example to illustrate your answer.
(b) Differentiate between a class method and an instance method. Illustrate with an example.
(c) Explain the different ways you can call a method in Java with appropriate examples.
(d) Write a program which will print the square of the numbers from 1 to 10 on a message dialog. Here you must have a method called square in your program.
(e) Write a program which will test whether the number entered by a user is either even or odd. You may use an input dialog from JOptionPane to prompt the user to enter the number.
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What is Constraints explain with example? One of the purposes to use constructors and setter techniques rather than directly accessing fields is to enforce constraints. For exa
Explain the Member Access Separator ? class Car { String licensePlate; // e.g. "New York 543 A23" double speed; // in kilometers per hour double maxSpeed; // in
You should override the hashCode() and equals() functions from the Object class. The default implementation of the hashcode() and equals(), which are inherited from the java.
Sal?s Pizza wants to install a system to record orders for pizza and Buffalo chicken wings. When regular customers call Sal?s Pizza on the phone, they are asked their phone number.
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