Blackjack

Simulating a variation of Blackjack (no splits or doubles), in Java. The player is "Sam".

Gradle is required. Tested with OpenJDK 11 on Arch Linux.

Build

gradle build -x test

Run tests

gradle test

Run

gradle run

Run with a random deck and verbose output

gradle run --args=-v

Run with `cards.txt` and don't shuffle the cards

gradle run --args='-n cards.txt'

Build a jar file

gradle jar

Run the jar file with verbose output enabled

java -jar build/libs/blackjack-1.0.0.jar -v

Run with `cards.txt` and don't shuffle the cards

java -jar build/libs/blackjack-1.0.0.jar -n cards.txt

Generate HTML documentation and open it with `xdg-open`

gradle javadoc && xdg-open build/docs/javadoc/index-all.html

Test the "always stay" strategy

java -jar build/libs/blackjack-1.0.0.jar -t -s

This strategy doesn't perform too well. Sam wins around 38% of the rounds.

Test the "basic optimized" strategy

java -jar build/libs/blackjack-1.0.0.jar -t -b

This strategy performs better. Sam wins around 76% of the rounds.

Command line help text

Usage: blackjack [ flags ] FILE

The BasicOptimized strategy is used by default for Sam.

Flags:
-b | --basicopt       Use the BasicOptimized strategy for Sam. (default)
-2 | --second         Use the SecondOptimized strategy for Sam.
-3 | --third          Use the Third strategy for Sam.
-a | --always-hit     Use a strategy where Sam always hits.
-s | --always-stay    Use a strategy where Sam always stays.
-t | --test           Quickly test the current strategy.
-n | --noshuffle      Don't shuffle the cards.
-o | --optimize       Optimize the parameters of the chosen strategy.
-r | --random         Randomize parameters when optimizing them.
-h | --help           Output this help.
-v | --verbose        Output detailed information about the games.
--version             Output the current version number.

General info

Version: 1.0.0
License: BSD-3

^{_{The Blackjack image is from WikiMedia and is licensed under a Creative Commons license.}}

xyproto / blackjack Goto Github PK

blackjack's Introduction

Blackjack

Build

Run tests

Run

Run with a random deck and verbose output

Run with cards.txt and don't shuffle the cards

Build a jar file

Run the jar file with verbose output enabled

Run with cards.txt and don't shuffle the cards

Generate HTML documentation and open it with xdg-open

Test the "always stay" strategy

Test the "basic optimized" strategy

Command line help text

General info

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Run with `cards.txt` and don't shuffle the cards

Run with `cards.txt` and don't shuffle the cards

Generate HTML documentation and open it with `xdg-open`