CSC 142/Chapter 6 - Revision history

Admin: /* Worksheet Code */

2016-09-30T00:42:42Z

Worksheet Code

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	===Worksheet Code===		===Worksheet Code===

	~~Combination of previous two exercises:~~		Public School zipcode
	* ~~Utilize the~~ public ~~school data~~		* Utilizing City of Seattle data about public schools
	* ~~Utilize the~~ code in ~~the~~ textbook		* Utilizing code in textbook - zip code case study
	* Given a public school (or~~, to simplify,~~ an integer index), what are nearby schools		* Given a public school, or an integer index, what are nearby schools

	==Chapter 6 Goodies==		==Chapter 6 Goodies==

Admin: /* Chapter 6 Puzzle */

2016-09-15T19:22:19Z

Chapter 6 Puzzle

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	==Chapter 6 Goodies==		==Chapter 6 Goodies==

	===~~Chapter~~ 6 ~~Puzzle~~===		===Puzzle 6===

	~~One time pad:~~		Affine cipher ax+b, gcd modular arithmetic
	* Many variations on the substitution cipher~~... we won't go through all of them~~
	* Slide with a reference to some of them
	* How to make the substitution cipher unbreakable?
	* Claude Shannon
	* Encryption can be secure so long as using one time pad at least as long as the cipher itself

	~~3 one-time pad ciphers.~~		[[Puzzles/Crypto Level 1/Puzzle 6]]

	===Profiles===		===Profiles===

Admin at 02:10, 14 September 2016

2016-09-14T02:10:47Z

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	==Section 6.1: File Reading Basics==		==Section 6.1: File Reading Basics==

	===Definitions===		===6.1 Definitions===

	Definitions;		Definitions;
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	* Throws clause		* Throws clause

	===Material===		===6.1 Material===

	Examples of the deluge of data available:		Examples of the deluge of data available:
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	==Section 6.2: Token-Based Processing==		==Section 6.2: Token-Based Processing==

	===Definitions===		===6.2 Definitions===

	Definitions:		Definitions:
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	* Current directory		* Current directory

	===Material===		===6.2 Material===

	Token - a single chunk of letters or character data		Token - a single chunk of letters or character data
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	==Section 6.3: Line Based Processing==		==Section 6.3: Line Based Processing==

	===Material===		===6.3 Material===

	Line by line:		Line by line:
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	==Section 6.4: Advanced File Processing==		==Section 6.4: Advanced File Processing==

	===Definitions===		===6.4 Definitions===

	Definitions:		Definitions:
	* Boilerplate code		* Boilerplate code

	===Material===		===6.4 Material===

	Output files with printstream:		Output files with printstream:
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	==Section 6.5: Zip Code Lookup Case Study==		==Section 6.5: Zip Code Lookup Case Study==

	===Material===		===6.5 Material===

	(Dating algorithms??? Really? Social justice.)		(Dating algorithms??? Really? Social justice.)
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	* Especially at beginning, hardest part is knowing what is possible		* Especially at beginning, hardest part is knowing what is possible
	* Java API, while overwhelming, can help with that!		* Java API, while overwhelming, can help with that!



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	* Utilize the code in the textbook		* Utilize the code in the textbook
	* Given a public school (or, to simplify, an integer index), what are nearby schools		* Given a public school (or, to simplify, an integer index), what are nearby schools

	~~===Homework Code===~~

	~~(Homework problems?)~~

	==Chapter 6 Goodies==		==Chapter 6 Goodies==

Admin: /* Chapter 6 Homework */

2016-09-14T01:16:45Z

Chapter 6 Homework

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	Self-check:		Self-check:
			* 3, 8 - correct scanner syntax
			* 11 - finding mistakes
			* 12 - reading tokens from input file with scanner
			* 17 - take a line of text and put a box around it
			* 18 - object used to write to output files, and methods available

	Exercises:		Exercises:
			* 8 - double space
			* 12 - html tag strip
			* 15 - read file of heads/tails and compute statistics

	Projects:		Projects:
			* 2 - file diff utility

	==Chapter 6 Code==		==Chapter 6 Code==

Admin: /* HW Questions */

2016-09-14T01:14:03Z

HW Questions

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	===HW Questions===		===HW Questions===

	(Recommended) Self-check problems:		(Recommended) Self-check problems: #3, #8, #11, #12, #17, #18

	(Required) Exercises:		(Required) Exercises: #8, #12, #15

	(Required) Projects:		(Required) Projects: #2

	===HW Details===		===HW Details===

Admin: /* Chapter 6 Code */

2016-09-14T00:59:24Z

Chapter 6 Code

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			==Chapter 6 Homework==

			===HW Questions===

			(Recommended) Self-check problems:

			(Required) Exercises:

			(Required) Projects:

			===HW Details===

			Self-check:

			Exercises:

			Projects:

	==Chapter 6 Code==		==Chapter 6 Code==

Admin: /* Material */

2016-09-13T08:57:41Z

Material

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	* Read in tokens, print them out with correct whitespace		* Read in tokens, print them out with correct whitespace

	~~Generalizeation~~: syntax "output.println()" and "system.out.println()" look similar because they are similar		Generalization: syntax "output.println()" and "system.out.println()" look similar because they are similar

	We can tie the PrintStream object to the output console, or to a file, and it all works the same		We can tie the PrintStream object to the output console, or to a file, and it all works the same

Admin: /* Material */

2016-09-13T08:56:41Z

Material

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	* Just like with scanner, we create a File object first		* Just like with scanner, we create a File object first
	* Then we createa PrintStream object		* Then we createa PrintStream object
	println() prints line to file		* println() prints line to file

	Example: Hello File		Example: Hello File

Admin: /* Worksheet Code */

2016-09-04T23:09:14Z

Worksheet Code

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	~~Polynomials~~:		Combination of previous two exercises:
	* ~~input file contains different polynomial coefficeints~~		* Utilize the public school data
	* ~~User must evaluate these at 10 different points, print out~~ the ~~results~~		* Utilize the code in the textbook
	* ~~Simpler than regression~~, ~~less background involved~~		* Given a public school (or, to simplify, an integer index), what are nearby schools

	===Homework Code===		===Homework Code===

Admin: /* Worksheet Code */

2016-09-04T22:37:11Z

Worksheet Code

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	===Worksheet Code===		===Worksheet Code===

	~~Logistic growth equation~~		Polynomials:
	* ~~Reading in population data from a~~ file~~, multiple countries = multiple columns~~		* input file contains different polynomial coefficeints
	* ~~Known country names~~, ~~unknown column order~~		* User must evaluate these at 10 different points, print out the results
	* Find the ~~exponential rate k of growth of these countries (logarithmic fit)~~		* Simpler than regression, less background involved
	* ~~1970~~, ~~1980, 1990, 2000, 2010~~
	* Gets them thinking about which points - up to them - they will need to pick the right index scheme

	===Homework Code===		===Homework Code===