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## Chapter Goals

- To become familiar with objects
- To learn about the properties of several sample classes that were designed for this book
- To be able to construct objects and supply initial values
- To understand member functions and the dot notation
- To be able to modify and query the state of an object through member functions
- To write simple graphics programs containing points, lines, circles and text
- To be able to select appropriate coordinate systems
- To learn how to process user input and mouse clicks in graphic programs
- To develop test cases that validate the correctness of your program

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