CS 101 - Introduction to Computing

Sample Code Page

• Code from Lecture 11/29/2011
  • Lect1129a.java Array examples
  • Lect1129b.java Array example where the array size can change
  • Lect1129c.java Filling an array with random values and finding how many are greater than the average value
  • Lect1129d.java Reversing the order of the values in an array

• Code from Lecture 11/22/2011
  • WavConvert.java Convert a web ".wav" file to a ".wav" file that will work with the bookClasses libraries
  • Lect1122a.java Convert a sound recorded at 11025 samples per second to a sound recorded at 22050 samples per second
  • SelectionSort.java Sort a sound file using a slow alogirthm
  • QuickSort.java Sort a sound file using a fast algorithm
  • Lect1122b.java Create a single echo
  • Lect1122c.java Create multiple repeating echoes

• Code from Lecture 11/17/2011
  • Lect1117a.java Reverse a sound
  • Lect1117b.java Increase a sound's pitch
  • Lect1117c.java Decrease a sound's pitch
  • Lect1117d.java Change a sound's pitch

• Code from Lecture 11/15/2011
  • Lect1115a.java Showing how to stop overflow/"clipping" of a sound value
  • Lect1115b.java Maximizing a sounds volume - "Normalization"
  • Lect1115c.java Normalization with absolute value
  • Lect1115d.java Combine two sounds so they play at the same time
  • Lect1115e.java Join two sounds so the first plays and then the second plays
  • Lect1115f.java Crop a sound into a shorter sound "byte"

• Code from Lecture 11/03/2011
  • Lect1103a.java Open and "explore" a sound file
  • Lect1103b.java Copy a sound file and double its volume

• Code from Lecture 11/01/2011
  • Lect1101a.java Blue Screen combination. This code is designed to work with blue-mark.jpg picture
  • Lect1101b.java Decreasing the size of a picture by 2
  • Lect1101c.java Increasing the size of a picture by 2
  • Lect1101d.java Increasing the size of a picture by 3
  • Lect1101e.java Edge detection algorithm

• Code from Lecture 10/27/2011
  • Lect1027a.java Combine two pixtures with a 45 degree line separationing them
  • Lect1027b.java Combine two pictures along the main diagonal
  • Lect1027c.java Cobmine two pictures where one picture forms a triangle shape
  • Lect1027d.java Green Screen combination. This code is designed to work with batman-greenscreen.jpg picture

• Code from Lecture 10/25/2011
  • Lect1025a.java Create a collage with two pictures side-by-side
  • Lect1025b.java Using the same code as above, create a 3 picture collage
  • Lect1025c.java A 3 picture collage that has the picture aligned on the bottom
  • Lect1025d.java A collage that has the names hardcoded into the program, but has the user select the directory/folder

• Code from Lecture 10/20/2011
  • Lect1020a.java Flip a picture along its diagonal
  • Lect1020b.java Rotate a picture 90 degrees
  • Lect1020c.java Copy a picture with its mirror image
  • Lect1020d.java Copy a picture twice: side by side
  • Lect1020e.java Copy a picture with its mirror image
  • Lect1020f.java Crop a picture. The code is designed to work with blue-mark.jpg
  • Lect1020g.java Crop a picture variation. The code is designed to work with blue-mark.jpg

• Code from Lecture 10/18/2011
  • Lect1018a.java Copy one picture to another
  • Lect1018b.java Create a mirror image (flip on the vertical center)
  • Lect1018c.java Flip on the horizontal center
  • Lect1018d.java Flip on both the vertical and horizontal centers

• Code from Lecture 10/13/2011
  • Lect1013a.java Error check code
  • Lect1013b.java Posterization: "brown" and orange
  • Lect1013c.java Posterization: black, red, blue, green, yellow, magenta, cyan, and white
  • Lect1013d.java Posterization: black, blue, cyan, and white

• Code from Lecture 10/11/2011
  • Lect1011a.java Posterization: black, blue, green and white
  • Lect1011b.java Posterization: black, blue, cyan, and white

• Code from Lecture 10/06/2011
  • Lect1006a.java A Template for doing Picture Manipulation
  • Lect1006b.java Fake sunset: increase the red
  • Lect1006c.java Fake sunset: decrease green and blue
  • Lect1006d.java Fake sunset: highlighting type conversions
  • Lect1006e.java Color negative
  • Lect1006f.java Black&White: average of red, green and blue
  • Lect1006g.java Black&White: weighted average calculation

• Code from Lecture 10/04/2011
  • Lect1004a.java Doing a simple picture manilupation using 2 nested For loops

• Code from Lecture 9/22/2011
  • Lect0922a.java Drawing Octagons of varying size and color and saving the final picture to a file
  • Lect0922b.java Using a method moveTurtle() to simplify the method main()

• Code from Lecture 9/20/2011
  • Lect0920a.java Code showing the Do's and Don'ts of Programming Style
  • Lect0920b.java Turtle drawing with multiple Octagons.
  • Lect0920c.java Turtle drawing with multiple Octagons to make a complex design
  • Lect0920d.java Method drawing with a Color Parameter that saves and restores the original color
  • Lect0920e.java Calling a method using the loop counter in a calculation to vary the length of the sides

• Code from Lecture 9/15/2011
  • Lect0915a.java Turtle Drawing on a Picture selected by the user with FileChoose.pickAFile()
  • Lect0915b.java Turtle Drawing with a method
  • Lect0915c.java Turtle Drawing using multiple calls to multiple methods
  • Lect0915d.java Turtle Drawing on a blank picture

• Code from Lecture 9/13/2011
  • Lect0913a.java Turtle Drawing with Loops
  • Lect0913b.java Turtle Drawing with Loops
  • Lect0913c.java Turtle Drawing on a Picture

• Code from Lecture 9/08/2011
  • Lect0908a.java Using the SimpleInput class from the bookClasses library for input
  • Lect0908b.java A Simple Turtle Drawing
  • Lect0908c.java Turtle Drawing with Color changes

• Code from Lecture 9/06/2011
  • Lect0906a.java Using the SimpleOutput class from the bookClasses library for output

• Code from Lecture 9/01/2011
  • Template.java Basic Java Code Template
  • Lect0901a.java Simple Variable Calculation and Output Program