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Inheritance- inheritance is a mechanism by which one class acquires the properties-data fields and
methods-of another class.
JOptionPane- JOptionPane is an object that you put in a program code that is used to display input
and output in a dialog box.
Looping- a loop is a method of structuring statements so that they are repeated while certain conditions
are met.
Uses Relationship- uses relationship is the relationship between two classes where one class uses
the code from another class.
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