Exam I Review

Tom Kelliher, CS 116

Oct. 11, 2000

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Exam will cover only Chapters 1--4.

Two sections: definitions/concepts, details. Four questions in each section.

Assignment

Read 5.1--3.

From Last Time

Quiz review.

Outline

Exam review.

Coming Up

More of Chapter 5.

Exam I Review

1. Recurring concepts: levels of abstraction, binding, security, conceptual and formal models, ordering in space, reuse.

2. Role of the compiler.

3. Object-oriented programming: class, object, inheritance, override, methods, instance variables, libraries.

4. A method's signature: return type, number and types of formal parameters.

   Formal vs. actual parameters.

   Methods are always applied to some object. How do we specify the object? Must we?

5. Basic graphics programming methods (must be applied to a Graphics object:
   • Color constructor. What do we need to know about creating colors?

   • Font constructor. Font, style, size.

   • setColor(), setFont().

   • drawLine(). Parameters?

   • drawRect(), fillRect(), etc. What are the four parameters?

6. Variables:
   • Identifier rules.

   • Conventions.

   • Initializing.

   • When to use new.

7. Widgets:
   • Component abstract class.

   • Component methods: setBackground(), setForeground().

   • types: Label, TextField, TextArea, Button, Checkbox, CheckboxGroup,
     Choice, List.

   • Some methods: getCaretPosition(), getSelectedText(), setText(),
     getText(), append(), setCheckboxGroup().

8. Class design:
   • Constructor. Multiple constructors.

   • public vs. private.

9. Containers:
   • Panel

   • Layout managers.

   • Problem decomposition.

   • Methods apply to specific objects.

   • Only instance variable declarations may appear outside methods.