CS 4773 Object Oriented Systems Introduction

• Look at syllabus
• Index cards - tell me about yourself
  1. Name
  2. Last few CS courses you took
  3. Java ability on a scale of 0-10:
     • 0: what is Java?
     • 3: took CS 1723 but don't remember much
     • 5: can write simple Java programs using a book or online documentation
     • 7: above + good grasp of inheritance and encapsulation
     • 10: can teach this course
  4. JBuilder or other development experience?
  5. Are you comfortable with using exception handling?
  6. Are you comfortable with using threads in Java?
  7. Are you comfortable with using mouse and keyboard input in Java?
• Pictures - use username cs4773
• Using JBuilder example
  This is available at ~cs4773/jbuilder_public/NanoTimeCheck
  To get a copy of this:
  • Make a cs4773_examples somewhere in your account
  • Make a NanoTimeCheck subdirectory
  • From this directory execute:
    cp -r ~cs4773/jbuilder_public/NanoTimeCheck/* .
• NanoTimeTest redone

• If a class contains no constructor declarations, then the default constructor that takes no parameters is automatically provided.
• The default constructor takes no parameters and invokes the superclass constructor with no arguments.
• A compile time error occurs if a default constructor is provided by the compiler but the superclass does not have a constructor that takes no argumnets.