Java Training Course/Example Programs - Revision history

imported>Gfis: /* Developper Information */ Typo

2018-02-11T20:41:34Z

Developper Information: Typo

← Older revision		Revision as of 20:41, 11 February 2018
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	* '''WalkFileTree''' - run through a file directory with a subclass of ''FileVisitor'' and print the entries		* '''WalkFileTree''' - run through a file directory with a subclass of ''FileVisitor'' and print the entries
	===Developper Information===		===Developper Information===
	* '''SystemProps''' - show the Java ~~sysstem~~ properties, the environment variables with their values, and the components of the system path		* '''SystemProps''' - show the Java system properties, the environment variables with their values, and the components of the system path
	* '''TestRegex''' - input a Java regular expression and try to match test texts in a loop		* '''TestRegex''' - input a Java regular expression and try to match test texts in a loop
	** '''TestRegexSwing, AboutTestRegex''' - Swing GUI version thereof		** '''TestRegexSwing, AboutTestRegex''' - Swing GUI version thereof

	===Subclasses and Factories===		===Subclasses and Factories===
	* '''Shape''' - class defining common properties and methods for geometrical forms, with output as an SVG (scalable vector graphics) file		* '''Shape''' - class defining common properties and methods for geometrical forms, with output as an SVG (scalable vector graphics) file

imported>Gfis: + CheckIBAN

2017-11-29T02:24:32Z

+ CheckIBAN

← Older revision		Revision as of 02:24, 29 November 2017
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	~~All~~ example Java programs can be obtained from a Git repository:		During the training course we developped about 60 Java example programs which use the Java language features to be learned. These programs can all be obtained from the '''Git repository''' for the training course by the command:
	git clone https://github.com/gfis/jtc		git clone https://github.com/gfis/jtc
	===Start with a greeting===		===Start with a greeting===
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	* '''ShapeFactory''' - Factory pattern returning an instance of a ''Shape''		* '''ShapeFactory''' - Factory pattern returning an instance of a ''Shape''
	* '''Circle, Square, Triangle, Hexagon''' - implementation of specific ''Shape''s and their SVG representation		* '''Circle, Square, Triangle, Hexagon''' - implementation of specific ''Shape''s and their SVG representation
			===Team collaboration===
			* '''CheckIBAN''' - compute and check the checkdigits of an International Bank Account Number,
			** '''CheckIBANFilter''' - check a text file with many IBANs
			** '''CheckIBANSwing''' - GUI for checking a single IBAN

imported>Gfis: Shape

2017-11-28T07:08:11Z

Shape

imported>Gfis: Collections

2017-11-28T06:57:22Z

Collections

← Older revision		Revision as of 06:57, 28 November 2017
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	git clone https://github.com/gfis/jtc		git clone https://github.com/gfis/jtc
	===Start with a greeting===		===Start with a greeting===
	* '''HelloWorld''' - output ~~only~~		* '''HelloWorld''' - one-liner: output a greeting
	===Arguments, assignment, elementary String and arithmetic operations===		===Arguments, assignment, elementary String and arithmetic operations===
	* '''StringAdd''' - concatenate argument strings 4 times and print them out		* '''StringAdd''' - concatenate argument strings 4 times and print them out
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	* '''Word2''' - print all words with 2 letters by 2 nested loops		* '''Word2''' - print all words with 2 letters by 2 nested loops
	* '''Word3''' - print all words with 3 letters by 3 nested loops		* '''Word3''' - print all words with 3 letters by 3 nested loops
	* '''Word3Cond1''' - print words with 3 letters and vowel/consonant conditions, first version		** '''Word3Cond1''' - print words with 3 letters and vowel/consonant conditions, first version
	* '''Word3Cond2''' - same, using a method, 2nd version		** '''Word3Cond2''' - same, using a method, 2nd version
	* '''Word3Cond3''' - same, output on a single line, 3rd version		** '''Word3Cond3''' - same, output on a single line, 3rd version
	===Filtering files===		===Filtering files===
	A ''filter'' program reads a file, modifies all lines somehow, and writes them to another file.		A ''filter'' program reads a file, modifies all lines somehow, and writes them to another file.
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	* '''GreatestCommonDivisor''' - the first real algorithm		* '''GreatestCommonDivisor''' - the first real algorithm
	* '''Ratio''' - introduction to object oriented programming (<code>static</code> version)		* '''Ratio''' - introduction to object oriented programming (<code>static</code> version)
	* '''Rational''' - object with methods for mathematical operators for exact fractions		** '''Rational''' - object with methods for mathematical operators for exact fractions
	* '''RationalTestSwing, AboutRationalTest''' - GUI for the addition, subtraction, multiplication of two ''Rational''s		** '''RationalTestSwing, AboutRationalTest''' - GUI for the addition, subtraction, multiplication of two ''Rational''s
	===Games===		===Games===
	* '''PlayNim''' - play the Nim game with some number of sticks to be taken		* '''PlayNim''' - play the Nim game with some number of sticks to be taken
	' '''PlayNimState''' - improve clarity of program logic by using a Discrete Finite State Automaton (DFSA)		** '''PlayNimState''' - improve clarity of program logic by using a Discrete Finite State Automaton (DFSA)
	* '''PlayNimSwing, AboutPlayNim''' GUI for the Nim game		** '''PlayNimSwing, AboutPlayNim''' GUI for the Nim game
			* '''ChessGame, ChessPlayer, ChessField, ChessPiece''' - interconnected set of classes for the display of a chess game using Unicode characters for the pieces
			===File Handling and Collections===
			* '''HexDump''' - hexadecimal dump of a file, maybe binary
			* '''FilterURL''' - filter a file read from an URL (http://..., ftp://..., file://...)
			* '''FilterTowns''' - read jtc/test/id_kota.lst with a list of indonesian towns, and extract the names and the number of inhabitants only
			* '''SearchTown''' - store the town data in a ''HashMap'', and look one up there
			* '''SortTowns''' - store the town data in a ''TreeMap'', and print a list sorted alphabetically by town name
			* '''SearchAlice''' - read a text from an URL, for example [https://www.gutenberg.org/files/11/11-0.txt Alice in Wonderland], collect and count the names therein, and print a sorted list
			* '''WalkFileTree''' - run through a file directory with a subclass of ''FileVisitor'' and print the entries

imported>Gfis at 06:30, 28 November 2017

2017-11-28T06:30:33Z

← Older revision		Revision as of 06:30, 28 November 2017
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	* '''FilterMulti3''' - read the modified output of ''Word3Cond3'' and colorize the known words		* '''FilterMulti3''' - read the modified output of ''Word3Cond3'' and colorize the known words
	===Date and Calendars===		===Date and Calendars===
	* '''Age''' - enter a birthday and compute the years, months ... seconds up to now		* '''Age''' - enter a birthday and compute the elapsed years, months ... seconds up to now
	===Fractional arithmetic===		===Fractional arithmetic===
	* '''GreatestCommonDivisor''' - the first real algorithm		* '''GreatestCommonDivisor''' - the first real algorithm
	* '''Ratio''' - introduction to object oriented programming (<code>static</~~static~~> version)		* '''Ratio''' - introduction to object oriented programming (<code>static</code> version)
			* '''Rational''' - object with methods for mathematical operators for exact fractions
			* '''RationalTestSwing, AboutRationalTest''' - GUI for the addition, subtraction, multiplication of two ''Rational''s
			===Games===
			* '''PlayNim''' - play the Nim game with some number of sticks to be taken
			' '''PlayNimState''' - improve clarity of program logic by using a Discrete Finite State Automaton (DFSA)
			* '''PlayNimSwing, AboutPlayNim''' GUI for the Nim game

imported>Gfis at 08:42, 13 November 2017

2017-11-13T08:42:47Z

← Older revision		Revision as of 08:42, 13 November 2017
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			All example Java programs can be obtained from a Git repository:
			git clone https://github.com/gfis/jtc
	===Start with a greeting===		===Start with a greeting===
	* '''HelloWorld''' - output only		* '''HelloWorld''' - output only
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	===Date and Calendars===		===Date and Calendars===
	* '''Age''' - enter a birthday and compute the years, months ... seconds up to now		* '''Age''' - enter a birthday and compute the years, months ... seconds up to now
			===Fractional arithmetic===
			* '''GreatestCommonDivisor''' - the first real algorithm
			* '''Ratio''' - introduction to object oriented programming (<code>static</static> version)

imported>Gfis at 08:38, 13 November 2017

2017-11-13T08:38:48Z

← Older revision		Revision as of 08:38, 13 November 2017
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	* '''Word3Cond2''' - same, using a method, 2nd version		* '''Word3Cond2''' - same, using a method, 2nd version
	* '''Word3Cond3''' - same, output on a single line, 3rd version		* '''Word3Cond3''' - same, output on a single line, 3rd version
			===Filtering files===
			A ''filter'' program reads a file, modifies all lines somehow, and writes them to another file.
			* '''Filter1''' - read a file and replace the vowels in each line
			* '''FilterNumber''' - read a file and replace all digits by their indonese number words
			* '''FilterMulti3''' - read the modified output of ''Word3Cond3'' and colorize the known words
			===Date and Calendars===
			* '''Age''' - enter a birthday and compute the years, months ... seconds up to now

imported>Gfis: v2

2017-11-13T08:32:20Z

← Older revision		Revision as of 08:32, 13 November 2017
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	* '''IntMultiply''' - multiply 4 integers 4 times and print the product		* '''IntMultiply''' - multiply 4 integers 4 times and print the product
	* '''LongMultiply''' - multiply 4 long numbers		* '''LongMultiply''' - multiply 4 long numbers
	===Loops (<code>while, for</code>) and conditions (<code>if</code>)===		===Loops (<code>while, for</code>) and conditions (<code>if</code>), arrays (<code>[]</code>)===
	* '''PowersOf2''' - print the powers of 2		* '''PowersOf2''' - print the powers of 2
	** '''PowersOf2Check''' - check for increasing sequence		** '''PowersOf2Check''' - check for increasing sequence
	** '''PowersOf2Backwards''' - print sequence backwards		** '''PowersOf2Backwards''' - print sequence backwards
	~~===Arrays===~~
	** '''PowersOf2Array''' - print sequence from an array		** '''PowersOf2Array''' - print sequence from an array
			===Sequences of conditions with <code>switch, if - then - else if ...</code>===
			* '''Selamat''' - print a greeting depending on the hour
			* '''SelamatSwitch''' - same with <code>switch ... case ... default</code>
			* '''Number10''' - print the numbers 1..10
			* '''Number10Method''' - print the numbers using a class method
			* '''Month''' - print the indonese name of a month
			* '''Weekday''' - print the indonese name of a weekday
			===Sequences of words===
			* '''Word1''' - print all words with 1 letter
			* '''Word2''' - print all words with 2 letters by 2 nested loops
			* '''Word3''' - print all words with 3 letters by 3 nested loops
			* '''Word3Cond1''' - print words with 3 letters and vowel/consonant conditions, first version
			* '''Word3Cond2''' - same, using a method, 2nd version
			* '''Word3Cond3''' - same, output on a single line, 3rd version

imported>Gfis at 08:20, 13 November 2017

2017-11-13T08:20:43Z

imported>Gfis: V1

2017-11-13T08:16:34Z

New page

====Start with a greeting====
* '''HelloWorld''' - output only
====Elementary String and arithmetic operations===
* '''StringAdd''' - concatenate argument strings 4 times and print them out
* '''IntAdd''' - add 4 integers 4 times and print them
* '''IntMultiply''' - multiply 4 integers 4 times and print the product
* '''LongMultiply''' - multiply 4 long numbers
* '''PowersOf2''' - print the powers of 2
** '''PowersOf2Check''' - check for increasing sequence
** '''PowersOf2Backwards''' - print sequence backwards
** '''PowersOf2Array''' - print sequence from an array

← Older revision		Revision as of 07:08, 28 November 2017
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	* '''StringAdd''' - concatenate argument strings 4 times and print them out		* '''StringAdd''' - concatenate argument strings 4 times and print them out
	* '''IntAdd''' - add 4 integers 4 times and print them		* '''IntAdd''' - add 4 integers 4 times and print them
	* '''IntMultiply''' - multiply 4 integers 4 times and print the product		** '''IntMultiply''' - multiply 4 integers 4 times and print the product
	* '''LongMultiply''' - multiply 4 long numbers		** '''LongMultiply''' - multiply 4 long numbers
	===Loops (<code>while, for</code>) and conditions (<code>if</code>), arrays (<code>[]</code>)===		===Loops (<code>while, for</code>) and conditions (<code>if</code>), arrays (<code>[]</code>)===
	* '''PowersOf2''' - print the powers of 2		* '''PowersOf2''' - print the powers of 2
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	===Sequences of conditions with <code>switch, if - then - else if ...</code>===		===Sequences of conditions with <code>switch, if - then - else if ...</code>===
	* '''Selamat''' - print a greeting depending on the hour		* '''Selamat''' - print a greeting depending on the hour
	* '''SelamatSwitch''' - same with <code>switch ... case ... default</code>		** '''SelamatSwitch''' - same with <code>switch ... case ... default</code>
	* '''Number10''' - print the numbers 1..10		* '''Number10''' - print the numbers 1..10
	* '''Number10Method''' - print the numbers using a class method		** '''Number10Method''' - print the numbers using a class method
	* '''Month''' - print the indonese name of a month		* '''Month''' - print the indonese name of a month
	* '''Weekday''' - print the indonese name of a weekday		* '''Weekday''' - print the indonese name of a weekday
	===Sequences of words===		===Sequences of words===
	* '''Word1''' - print all words with 1 letter		* '''Word1''' - print all words with 1 letter
	* '''Word2''' - print all words with 2 letters by 2 nested loops		** '''Word2''' - print all words with 2 letters by 2 nested loops
	* '''Word3''' - print all words with 3 letters ~~by 3 nested loops~~		** '''Word3''' - print all words with 3 letters
	** '''Word3Cond1''' - print words with 3 letters and vowel/consonant conditions, first version		* '''Word3Cond1''' - print words with 3 letters and vowel/consonant conditions, first version
	** '''Word3Cond2''' - same, using a method, 2nd version		** '''Word3Cond2''' - same, using a method, 2nd version
	** '''Word3Cond3''' - same, output on a single line, 3rd version		** '''Word3Cond3''' - same, output on a single line, 3rd version
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	* '''SearchAlice''' - read a text from an URL, for example [https://www.gutenberg.org/files/11/11-0.txt Alice in Wonderland], collect and count the names therein, and print a sorted list		* '''SearchAlice''' - read a text from an URL, for example [https://www.gutenberg.org/files/11/11-0.txt Alice in Wonderland], collect and count the names therein, and print a sorted list
	* '''WalkFileTree''' - run through a file directory with a subclass of ''FileVisitor'' and print the entries		* '''WalkFileTree''' - run through a file directory with a subclass of ''FileVisitor'' and print the entries
			===Developper Information===
			* '''SystemProps''' - show the Java sysstem properties, the environment variables with their values, and the components of the system path
			* '''TestRegex''' - input a Java regular expression and try to match test texts in a loop
			** '''TestRegexSwing, AboutTestRegex''' - Swing GUI version thereof
			===Subclasses and Factories===
			* '''Shape''' - class defining common properties and methods for geometrical forms, with output as an SVG (scalable vector graphics) file
			* '''ShapeFactory''' - Factory pattern returning an instance of a ''Shape''
			* '''Circle, Square, Triangle, Hexagon''' - implementation of specific ''Shape''s and their SVG representation

← Older revision		Revision as of 08:20, 13 November 2017
Line 1:		Line 1:
	====Start with a greeting====		===Start with a greeting===
	* '''HelloWorld''' - output only		* '''HelloWorld''' - output only
	===~~=Elementary~~ String and arithmetic operations===		===Arguments, assignment, elementary String and arithmetic operations===
	* '''StringAdd''' - concatenate argument strings 4 times and print them out		* '''StringAdd''' - concatenate argument strings 4 times and print them out
	* '''IntAdd''' - add 4 integers 4 times and print them		* '''IntAdd''' - add 4 integers 4 times and print them
	* '''IntMultiply''' - multiply 4 integers 4 times and print the product		* '''IntMultiply''' - multiply 4 integers 4 times and print the product
	* '''LongMultiply''' - multiply 4 long numbers		* '''LongMultiply''' - multiply 4 long numbers
			===Loops (<code>while, for</code>) and conditions (<code>if</code>)===
	* '''PowersOf2''' - print the powers of 2		* '''PowersOf2''' - print the powers of 2
	** '''PowersOf2Check''' - check for increasing sequence		** '''PowersOf2Check''' - check for increasing sequence
	** '''PowersOf2Backwards''' - print sequence backwards		** '''PowersOf2Backwards''' - print sequence backwards
			===Arrays===
	** '''PowersOf2Array''' - print sequence from an array		** '''PowersOf2Array''' - print sequence from an array