Review%20for%20Exam%20I

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Review for Exam I

• INFSY 535

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Review the following for Exam I

• All material covered in class including software
  engineering principles, articles discusses, etc.
• Text material assigned, primarily concepts that
  were covered in class!
• Programming syntax
• All labs and projects completed to date
• Be able to trace output
• Practice analyzing the problem and recoding

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Background and Java Components

• Basic Computer components
• Concepts of compilers, source code, object code,
  byte code, field, method
• Translation of ASCII into binary and vice versa
• Object principles
• Program design and coding principles

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Knowledge

• Terms (and how to use) such as
• Inheritance
• Encapsulation
• Mutator method
• Assessor method
• Peer objects
• Polymorphism
• Signature
• Parameters
• Generalization
• Association
• . Aggregation

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Sample Questions

• Program that translates high-level language into
  machine-language is called _________?
• ______________ directs all operations within the
  computer system.
• Programmer input is called __________ code.
• When Java is first compiled, the resulting code
  is called _____________________.

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Java Syntax

• Understand
• Data types
• Parameter passing
• Variables/attributes
• Naming conventions
• Rules for formation
• Syntax for known JAVA statements

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Java Syntax

• String class
• Reference vs primitive types
• Parameters and rules for passing parameters
• Rules for forming identifiers
• Variable vs constant
• Concept of assignment of a value to a variable

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More Sample Questions

• Two reference types are __________ and
  ______________.
• Typically, variable names begin with
  a____________ letter, method names with a
  ______________ and class names with a
  ____________________.
• A concept in object oriented programming that
  describes the fact that the data and associated
  fields are hidden from users is called
  ______________.
• A method that is automatically called when a
  class is instantiated is called a _____________.
• Defining a variable at the class level defines
  its scope as ______________________________.

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You should know exactly what these Java
statements do!

• print and println
• arithmetic statements
• if statements
• assignment statements
• Be able to trace what happens in any of the code
  we have worked with

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Know how the computer does arithemetic try
these for Practice!

• (8 - 4) 3 2 _____________
• 2 6 - 7 3 ______________
• int a, b 2
• double x, y 5.2
• x y / 2
• a y / 2
• x _____________
• y _____________

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More sample questions

• Using a JAVA statement, round a variable called
  realVar
• if both variables in the equation are integer,
  the result will be _________.
• If one variable in the equation is real, the
  result is _____________.

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If statement Practice

• A method is passed two parameters, an integer
  representing a student number and a char variable
  representing the students sex, i.e. F for
  female and M for male. Write the logic to
  output, via JOptionPane the student number and
  the word, female, if the student is a female and
  male if the student is male.

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UML

• Understand all concepts
• Know the difference between the kinds of
  relationships
• has-a
• is-a
• Practice construction of UML models

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For Exam I you also must know how to

• Write JAVA methods.
• Be capable of tracing program execution