Access Modifiers public and private:
2 Access Modifiers public and private private keyword Used for most instance variables private variables and methods are accessible only to methods of the class in which they are declared Declaring instance variables private is known as data hiding public keyword Exposes variables or methods outside the Class. Declaring public methods is know as defining the class’ public interface. Return type Indicates item returned by method Declared in method header
Outline:
3 Outline GradeBook.java Instance variable courseName set method for courseName get method for courseName Call get method
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4 Outline GradeBookTest.java (1 of 2) Call get method for courseName
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5 Outline GradeBook.java (1 of 2) Constructor to initialize courseName variable
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6 Outline GradeBook.java (2 of 2)
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7 Outline GradeBookTest.java Call constructor to create first grade book object Create second grade book object
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8 Outline GradeBookTest.java Call constructor to create first grade book object Create second grade book object
Acknowledgements:
Acknowledgements http://java.sun.com/docs/books/tutorial/getStarted/TOC.html Pearson Education, Lewis and Loftus. Deitel , Java How to Program http://www.cs.wustl.edu/~plezbert/contcom/thesis/node6.html http://www.cs.usfca.edu/~parrt/course/652/lectures-Spring-2004/language.impl.overview.pdf http://ei.cs.vt.edu/~history/Youmans.Java.html