COSC 123 Online Notes and Course Materials
Dr. Ramon Lawrence

Mon. January 7

• SpinningCubes Exercise 1 - basic method calls and Alice environment
• SpinningCubes Exercise 2 - Do Together and Do In Order
• SurferWave Exercise - composite objects

Fri. January 11

• Cheerleader Exercise - creating a method, variables, and random numbers
• Jet Exercise - method with parameters and expressions

Wed. January 16

Fri. January 18

• Intersection Exercise - simple decisions using if/else statement
• Intersection Exercise 2 - nested decisions using if/else statement
• Boat Turning Exercise - decisions and random numbers
• Zamboni Turning Question - decisions in methods with parameters
• Dragon Flying Loop - notes example of While statement
• Trucks Colliding - While loop, proximity functions/collisions
• Speeding Car Exercise - Loop statement, 3D text boxes, print statement
• Counting Exercise - Counting using a 3D text boxes
• Jumping Jacks Exercise - 4 people doing jumping jacks
• Ball Bouncing off Table Exercise - balls bounces off table
• Ball Bounce Exercise - simpler than above as ball falls straight down and bounces

Wed. January 23

• Carousel Exercise - world events with a carousel
• Windmill Exercise - world events with a windmill example
• Dancer Exercise - keyboard and mouse events with a dancer example
• World and Condition events - world and condition events
• Keyboard Events Demo - keyboard events
• Score a Goal Exercise - moving a net using keyboard events and detecting collisions
• Shooting Tank Exercise - move a tank using keyboard events

• School of fish example - a list of fish that move together
• School of fish example with shark - make shark eat some of the fish
• Hamster example - an array of hamsters
• List example - a list of dragons
• Marching Soldier Exercise - For All Together with a list of soldiers
• Selecting array items exercise - select items in order and put into an array

Fri. February 1

Mon. February 4

• HelloWorld.java - print Hello World on console
• AddTwoNum.java - read two numbers and output their sum
• SubtractTwoNum.java - read two numbers and subtract them
• NameConcat.java - produce a full name from first name and last name
• AddThreeNum.java - read three numbers and add them
• CalcSquareRoot.java - prompt for a number and calculate its square root

Fri. February 15

• NegativePositive.java - prints if an input number is zero, positive, or negative
• NumPrint.java - prints the text form of numbers 1 to 5
• IsTeenager.java - given name and age, prints them and if person is a teenager
• PrintNumbers.java - prints numbers (or only even numbers) from 1 to N
• PrintNumMatrix.java - prints a matrix of numbers

Mon. February 18

Wed. February 20

Fri. February 22

Fri. March 1

Mon. March 4

Wed. March 6

Fri. March 8

• BankAccount.java - bank account class from notes
• Employee.java - class for employees with name and salary
• Purse.java - class for storing coins in a purse
• SavingsAccount.java - extends BankAccount
• Shape.java - a generic Shape with subclasses Circle and Square
• TestSubclass.java - subclass to superclass
• TestSuperclass.java - casting superclass to subclass
• CheckingAccount.java - extends BankAccount
• Pet.java, Dog.java, Cat.java
• TestPolymorphism.java - polymorphism demo

Wed. March 13

• TestArrayList.java - adds account objects to an ArrayList
• Reverse.java - creates a new array that is the reverse of an input array
• ReadArrayList.java - reads strings into an ArrayList until "STOP" then print the list out

Mon. March 18

Wed. March 20

• MyFrame.java - basic frame
• DrawHello.java - frame that displays Hello World!
• FontApplet.java - demonstrates changing font size
• CarDrawer.java - draws a simple car
• GUIExample.java - frame with example of all basic Swing components
• MouseSpy.java - shows mouse events
• EggExample.java - moves a circle wherever user clicks
• FrameTest.java - frame with WindowCloser listener
• Eggs.java - draws a number of circles in random locations
• MenuTest.java - create and use a basic menu
• RandomArtPanel.java,RandomArt.java - draw random pictures of shapes every 4 seconds (shows Timer class)
• KeyboardAndFocusDemo.java - shows how keyboard events can be handled (moves a square around the screen)
• MoveHelloWorld.java - moves text string to where user clicks (Q1 slide #52)
• MultipleFrames.java - opens multiple windows (Q2 slide #52)

Mon. March 25

Wed. March 27

• TryCatchExample.java - try/catch/finally example
• ReadFromFile.java - read from file using BufferedReader
• ReadFromFileScanner.java - read from file using Scanner
• WriteToFile.java - write to file using PrintWriter
• ThrowException.java - how to throw an exception to another method
• CountFileLines.java - answer to question on slide #20 on counting the number of lines in a file

Wed. April 3

Fri. April 5