CS 305J Coding Samples

Java programs to illustrate various concepts

• Huzzah.java
   
• HuzzahLong.java
   
• Program with syntax errors. A program with multiple syntax errors to find and fix.
   
• Scratch.java. Various simple examples of the behavior of variables and the results of expressions.
   
• RocketInitial.java. An unstructured program that prints out a diamond, an X, and a rocket.
   
• RocketStructured.java. A structured program that prints out a diamond, an X, and a rocket.
   

• XsAndDiamonds.java. The code from class used to draw different sized Xs and Vs.
   

• HourGlass Our program for drawing an hour glass.
   

• ParametersExample Small program with some simple methods that use parameters.
  
  

• FToCConverter.java  A very simple class that converts a given temperature in degrees Fahrenheit to its equivalent temperature on the Celsius scale.
   
• BaseballStats. A simple program that calculates various baseball batting statistics.
   
• Coin Flipping. A program that asks the user how many times to simulate flipping a coin. It then reports how many heads, how many tails, and what the longest streak of flips was.
   
• Target. A program that simulates shooting at a target.
   
• FileOps. A program with some examples of working with files.
   
• Histogram. A program that produces a histogram based on exam scores. Here is a sample data file.
   
• Anagrams. A program with a method that tests if two strings are anagrams of each other.
   
• Conway' Game of Life. A simple version of Conway's Game of Life. Lots of examples of working with a 2D array.
   
• Card. A class to model standard playing cards.
   
• Deck. A class to model a deck of standard playing cards.
   
• The classes we did in class to show how inheritance and interfaces work. Shape, Rectangle, Square, Circle, and a Tester class.
   
• RectangleExamples.java   A program that shows various manipulations of Rectangle objects.
   
• Point.java  A class that models a Cartesian coordinate.
   
• Circle.java  A class that model a Circle
   
• Loops2 Contains a method that approximates square roots using Newton's method and a method that determines if a given int is prime or not.
   
• Loops3 Contains methods for the following
  • a method that determines if a String is a valid representation of a strand of DNA in that it only contains the characters A, C, G, and T
  • a method that determines if two Strings are complimentary strands of DNA
  • a method that computes N! using ints
     
• ArrayEx    Various algorithms and methods that work on and with arrays.
   
• ArrayListExamples Simple examples of manipulations of ArrayList objects