A Summary of Classes in Java.
Date Submitted: 04/09/2004 23:23:53
Category: / Science & Technology / Computers and Cybernetics
Length: 2 pages (616 words)
Category: / Science & Technology / Computers and Cybernetics
Length: 2 pages (616 words)
My Quick Summary of Classes
1.A class is an abstract concept.
a.Other Descriptions
i.A class is a blueprint.
ii.A class represents a category of items.
b.Examples
i.A Radio is a category of items.
ii.A Student is a category of items.
iii.A Ball is a category of items.
2.An object is the embodiment of a class.
a.Other Descriptions
i.An object is an instance of a class.
ii.…
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…use of the keyword return.
*Mutator methods change the state of the object and modify instance data.
*Notice that the instance data myColor is changed.
*This mutator method does not return a value. Notice the use of the keyword void and notice the lack of the keyword return.
*This mutator method needs information in order to change the object. The needed information is received by using a parameter. Notice the use of the parameter color.
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