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Kristofer Younger 6 年之前
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@@ -4,6 +4,8 @@ the second Objects lab.
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 look for the Chapter reading you need in the doc folder.
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+Work through all these exercises.
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 * Exercise 2.1 Create a TicketMachine object on the object bench and take a look
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 at its methods. You should see the following: getBalance, getPrice, insertMoney,
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 and printTicket. Try out the getPrice method. You should see a return value containing
@@ -63,7 +65,9 @@ private Person tutor;
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 private Game game;
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 ```
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 * Exercise 2.13 In the following field declaration from the TicketMachine class
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-`private int price;`
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+```
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+private int price;
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+```
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 does it matter which order the three words appear in? Edit the TicketMachine class to
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 try different orderings. After each change, close the editor. Does the appearance of the
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 class diagram after each change give you a clue as to whether or not other orderings are
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 ```
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 public Student(String name)
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 ```
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-* Exercise 2.17 How many parameters does the following constructor have andwhat are their types?
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+* Exercise 2.17 How many parameters does the following constructor have and what are their types?
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 ```
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 public Book(String title, double price)
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 ```
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-* Exercise 2.18 Can you guess what types some of  the Bookclass’s fields mightbe? Can you assume anything about the names of its fields?
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+* Exercise 2.18 Can you guess what types some of the Book class’s fields might be? Can you assume anything about the names of its fields?
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+
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+Work all Exercises from 2.19 to 2.58 that are NOT marked *Challenge exercise*.
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+READ upto and INCLUDING section 2.15 of this chapter.