From c78f13b422d5f8ea61bda50a270d557b0dfceb95 Mon Sep 17 00:00:00 2001
From: Camil Staps
Date: Tue, 19 May 2015 23:25:28 +0200
Subject: Week13 die
---
Week13 Die/Assignment (in Dutch).pdf | Bin 0 -> 116977 bytes
Week13 Die/build.xml | 73 ++
Week13 Die/manifest.mf | 3 +
Week13 Die/nbproject/build-impl.xml | 1413 ++++++++++++++++++++++
Week13 Die/nbproject/genfiles.properties | 8 +
Week13 Die/nbproject/project.properties | 76 ++
Week13 Die/nbproject/project.xml | 15 +
Week13 Die/src/com/camilstaps/die/Die.java | 47 +
Week13 Die/src/com/camilstaps/die/Player.java | 65 +
Week13 Die/src/com/camilstaps/die/Week13Die.java | 45 +
Week13 Die/test/com/camilstaps/die/DieTest.java | 106 ++
11 files changed, 1851 insertions(+)
create mode 100644 Week13 Die/Assignment (in Dutch).pdf
create mode 100644 Week13 Die/build.xml
create mode 100644 Week13 Die/manifest.mf
create mode 100644 Week13 Die/nbproject/build-impl.xml
create mode 100644 Week13 Die/nbproject/genfiles.properties
create mode 100644 Week13 Die/nbproject/project.properties
create mode 100644 Week13 Die/nbproject/project.xml
create mode 100644 Week13 Die/src/com/camilstaps/die/Die.java
create mode 100644 Week13 Die/src/com/camilstaps/die/Player.java
create mode 100644 Week13 Die/src/com/camilstaps/die/Week13Die.java
create mode 100644 Week13 Die/test/com/camilstaps/die/DieTest.java
(limited to 'Week13 Die')
diff --git a/Week13 Die/Assignment (in Dutch).pdf b/Week13 Die/Assignment (in Dutch).pdf
new file mode 100644
index 0000000..cac5aee
Binary files /dev/null and b/Week13 Die/Assignment (in Dutch).pdf differ
diff --git a/Week13 Die/build.xml b/Week13 Die/build.xml
new file mode 100644
index 0000000..bfc122d
--- /dev/null
+++ b/Week13 Die/build.xml
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+ Builds, tests, and runs the project Week13 Die.
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diff --git a/Week13 Die/manifest.mf b/Week13 Die/manifest.mf
new file mode 100644
index 0000000..328e8e5
--- /dev/null
+++ b/Week13 Die/manifest.mf
@@ -0,0 +1,3 @@
+Manifest-Version: 1.0
+X-COMMENT: Main-Class will be added automatically by build
+
diff --git a/Week13 Die/nbproject/build-impl.xml b/Week13 Die/nbproject/build-impl.xml
new file mode 100644
index 0000000..e6566be
--- /dev/null
+++ b/Week13 Die/nbproject/build-impl.xml
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+ Must set src.dir
+ Must set test.src.dir
+ Must set build.dir
+ Must set dist.dir
+ Must set build.classes.dir
+ Must set dist.javadoc.dir
+ Must set build.test.classes.dir
+ Must set build.test.results.dir
+ Must set build.classes.excludes
+ Must set dist.jar
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+ Must set JVM to use for profiling in profiler.info.jvm
+ Must set profiler agent JVM arguments in profiler.info.jvmargs.agent
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+ To run this application from the command line without Ant, try:
+
+ java -jar "${dist.jar.resolved}"
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+ Must select one file in the IDE or set run.class
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+ Must select one file in the IDE or set run.class
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+ Must select one file in the IDE or set debug.class
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+ Must select one file in the IDE or set debug.class
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+ Must set fix.includes
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+ This target only works when run from inside the NetBeans IDE.
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+ Must select one file in the IDE or set profile.class
+ This target only works when run from inside the NetBeans IDE.
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+ This target only works when run from inside the NetBeans IDE.
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+ This target only works when run from inside the NetBeans IDE.
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+ Must select one file in the IDE or set run.class
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+ Must select some files in the IDE or set test.includes
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+ Must select one file in the IDE or set run.class
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+ Must select one file in the IDE or set applet.url
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+ Some tests failed; see details above.
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+ Must select some files in the IDE or set test.includes
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+ Some tests failed; see details above.
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+ Must select some files in the IDE or set test.class
+ Must select some method in the IDE or set test.method
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+ Some tests failed; see details above.
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+ Must select one file in the IDE or set test.class
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+ Must select one file in the IDE or set test.class
+ Must select some method in the IDE or set test.method
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+ Must select one file in the IDE or set applet.url
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diff --git a/Week13 Die/nbproject/genfiles.properties b/Week13 Die/nbproject/genfiles.properties
new file mode 100644
index 0000000..3a96bcb
--- /dev/null
+++ b/Week13 Die/nbproject/genfiles.properties
@@ -0,0 +1,8 @@
+build.xml.data.CRC32=f75c1aa2
+build.xml.script.CRC32=e9e7ccf2
+build.xml.stylesheet.CRC32=8064a381@1.75.2.48
+# This file is used by a NetBeans-based IDE to track changes in generated files such as build-impl.xml.
+# Do not edit this file. You may delete it but then the IDE will never regenerate such files for you.
+nbproject/build-impl.xml.data.CRC32=f75c1aa2
+nbproject/build-impl.xml.script.CRC32=fa2b43ad
+nbproject/build-impl.xml.stylesheet.CRC32=876e7a8f@1.75.2.48
diff --git a/Week13 Die/nbproject/project.properties b/Week13 Die/nbproject/project.properties
new file mode 100644
index 0000000..522cfc7
--- /dev/null
+++ b/Week13 Die/nbproject/project.properties
@@ -0,0 +1,76 @@
+annotation.processing.enabled=true
+annotation.processing.enabled.in.editor=false
+annotation.processing.processors.list=
+annotation.processing.run.all.processors=true
+annotation.processing.source.output=${build.generated.sources.dir}/ap-source-output
+application.title=Week13 Die
+application.vendor=camilstaps
+build.classes.dir=${build.dir}/classes
+build.classes.excludes=**/*.java,**/*.form
+# This directory is removed when the project is cleaned:
+build.dir=build
+build.generated.dir=${build.dir}/generated
+build.generated.sources.dir=${build.dir}/generated-sources
+# Only compile against the classpath explicitly listed here:
+build.sysclasspath=ignore
+build.test.classes.dir=${build.dir}/test/classes
+build.test.results.dir=${build.dir}/test/results
+# Uncomment to specify the preferred debugger connection transport:
+#debug.transport=dt_socket
+debug.classpath=\
+ ${run.classpath}
+debug.test.classpath=\
+ ${run.test.classpath}
+# Files in build.classes.dir which should be excluded from distribution jar
+dist.archive.excludes=
+# This directory is removed when the project is cleaned:
+dist.dir=dist
+dist.jar=${dist.dir}/Week13_Die.jar
+dist.javadoc.dir=${dist.dir}/javadoc
+endorsed.classpath=
+excludes=
+includes=**
+jar.compress=false
+javac.classpath=
+# Space-separated list of extra javac options
+javac.compilerargs=
+javac.deprecation=false
+javac.processorpath=\
+ ${javac.classpath}
+javac.source=1.7
+javac.target=1.7
+javac.test.classpath=\
+ ${javac.classpath}:\
+ ${build.classes.dir}:\
+ ${libs.junit_4.classpath}
+javac.test.processorpath=\
+ ${javac.test.classpath}
+javadoc.additionalparam=
+javadoc.author=false
+javadoc.encoding=${source.encoding}
+javadoc.noindex=false
+javadoc.nonavbar=false
+javadoc.notree=false
+javadoc.private=false
+javadoc.splitindex=true
+javadoc.use=true
+javadoc.version=false
+javadoc.windowtitle=
+main.class=com.camilstaps.die.Week13Die
+manifest.file=manifest.mf
+meta.inf.dir=${src.dir}/META-INF
+mkdist.disabled=false
+platform.active=default_platform
+run.classpath=\
+ ${javac.classpath}:\
+ ${build.classes.dir}
+# Space-separated list of JVM arguments used when running the project.
+# You may also define separate properties like run-sys-prop.name=value instead of -Dname=value.
+# To set system properties for unit tests define test-sys-prop.name=value:
+run.jvmargs=
+run.test.classpath=\
+ ${javac.test.classpath}:\
+ ${build.test.classes.dir}
+source.encoding=UTF-8
+src.dir=src
+test.src.dir=test
diff --git a/Week13 Die/nbproject/project.xml b/Week13 Die/nbproject/project.xml
new file mode 100644
index 0000000..b395a19
--- /dev/null
+++ b/Week13 Die/nbproject/project.xml
@@ -0,0 +1,15 @@
+
+
+ org.netbeans.modules.java.j2seproject
+
+
+ Week13 Die
+
+
+
+
+
+
+
+
+
diff --git a/Week13 Die/src/com/camilstaps/die/Die.java b/Week13 Die/src/com/camilstaps/die/Die.java
new file mode 100644
index 0000000..d83906a
--- /dev/null
+++ b/Week13 Die/src/com/camilstaps/die/Die.java
@@ -0,0 +1,47 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2015 Camil Staps
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package com.camilstaps.die;
+
+import java.util.Random;
+
+/**
+ * A simple die
+ * @author Camil Staps, s4498062
+ */
+public class Die {
+ private final Random rand;
+ public static final int MAX_PIPS = 6;
+
+ public Die() {
+ rand = new Random();
+ }
+
+ /**
+ * Roll the die
+ * @return the number of pips
+ */
+ public int roll() {
+ return rand.nextInt(MAX_PIPS) + 1;
+ }
+}
\ No newline at end of file
diff --git a/Week13 Die/src/com/camilstaps/die/Player.java b/Week13 Die/src/com/camilstaps/die/Player.java
new file mode 100644
index 0000000..86b379f
--- /dev/null
+++ b/Week13 Die/src/com/camilstaps/die/Player.java
@@ -0,0 +1,65 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2015 Camil Staps
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package com.camilstaps.die;
+
+/**
+ * A player rolling a die
+ * @author Camil Staps, s4498062
+ */
+public class Player implements Runnable {
+ private final Die die;
+ private final String name;
+ private final int numberOfThrows;
+ private int pipss[];
+
+ /**
+ * The player will perform a number of rolls of a die
+ * @param name the name of the player
+ * @param die the die to use
+ * @param numberOfThrows the number of rolls
+ */
+ public Player(String name, Die die, int numberOfThrows) {
+ this.die = die;
+ this.name = name;
+ this.numberOfThrows = numberOfThrows;
+ }
+
+ @Override
+ public void run() {
+ pipss = new int[numberOfThrows];
+ for (int i = 0; i < numberOfThrows; i++) {
+ int pips = die.roll();
+ pipss[i] = pips;
+ System.err.println(name + " throws " + pips + " in turn " + i); // Only debugging output; so stderr
+ }
+ }
+
+ /**
+ * The results we've found
+ * @return the results of the die rolls
+ */
+ public int[] getPipss() {
+ return pipss;
+ }
+}
diff --git a/Week13 Die/src/com/camilstaps/die/Week13Die.java b/Week13 Die/src/com/camilstaps/die/Week13Die.java
new file mode 100644
index 0000000..1e26b09
--- /dev/null
+++ b/Week13 Die/src/com/camilstaps/die/Week13Die.java
@@ -0,0 +1,45 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2015 Camil Staps
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package com.camilstaps.die;
+
+/**
+ * Solutions to week 13, part 1
+ * @author Camil Staps, s4498062
+ */
+public class Week13Die {
+
+ private static final int THROWS = 1;
+
+ /**
+ * Usage: java Week13Die Alfred Bert Chris ...
+ * @param args the command line arguments / the names of the players
+ */
+ public static void main(String[] args) {
+ Die die = new Die();
+ for (String name : args) {
+ (new Thread(new Player(name, die, THROWS))).start();
+ }
+ }
+
+}
diff --git a/Week13 Die/test/com/camilstaps/die/DieTest.java b/Week13 Die/test/com/camilstaps/die/DieTest.java
new file mode 100644
index 0000000..2f1556e
--- /dev/null
+++ b/Week13 Die/test/com/camilstaps/die/DieTest.java
@@ -0,0 +1,106 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2015 Camil Staps
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package com.camilstaps.die;
+
+import org.junit.After;
+import org.junit.AfterClass;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import static org.junit.Assert.*;
+
+/**
+ *
+ * @author camilstaps
+ */
+public class DieTest {
+
+ private static final int PLAYERS = 100;
+ private static final int THROWS = 100;
+
+ private static final double ACCEPTABLE_LOWER_BOUND = 0.95;
+ private static final double ACCEPTABLE_UPPER_BOUND = 1.05;
+
+ public DieTest() {
+ }
+
+ @BeforeClass
+ public static void setUpClass() {
+ }
+
+ @AfterClass
+ public static void tearDownClass() {
+ }
+
+ @Before
+ public void setUp() {
+ }
+
+ @After
+ public void tearDown() {
+ }
+
+ /**
+ * Test that the probabilities for every different possible outcome are more or less close to the expected probability
+ * Accuracy of this test depends on PLAYERS, THROWS, ACCEPTABLE_LOWER_BOUND and ACCEPTABLE_UPPER_BOUND
+ *
+ * With non-thread safe solutions, this test most of the time fails. With thread-safe solutions, the test normally passes.
+ */
+ @Test
+ public void correctProbabilities() {
+ // Start players
+ Die die = new Die();
+ Player players[] = new Player[PLAYERS];
+ Thread threads[] = new Thread[PLAYERS];
+ for (int i = 0; i < PLAYERS; i++) {
+ players[i] = new Player("Player " + i, die, THROWS);
+ threads[i] = new Thread(players[i]);
+ threads[i].start();
+ }
+
+ // Gather data
+ int pips_counts[] = new int[Die.MAX_PIPS];
+ for (int i = 0; i < PLAYERS; i++) {
+ try {
+ threads[i].join();
+ for (int p : players[i].getPipss()) {
+ pips_counts[p - 1]++;
+ }
+ } catch (InterruptedException e) {
+ System.err.println(e);
+ }
+ }
+
+ // Verification
+ int lower_bound = (int) (PLAYERS * THROWS / Die.MAX_PIPS * ACCEPTABLE_LOWER_BOUND);
+ int upper_bound = (int) (PLAYERS * THROWS / Die.MAX_PIPS * ACCEPTABLE_UPPER_BOUND);
+ System.out.println("Normal: " + PLAYERS * THROWS / Die.MAX_PIPS);
+ System.out.println("Lower bound: " + lower_bound + " (" + ACCEPTABLE_LOWER_BOUND + ")");
+ System.out.println("Upper bound: " + upper_bound + " (" + ACCEPTABLE_UPPER_BOUND + ")");
+ for (int i = 0; i < Die.MAX_PIPS; i++) {
+ System.out.println("Number of " + i + ": " + pips_counts[i]);
+ assertTrue("Number of " + i + " out of range", pips_counts[i] > lower_bound && pips_counts[i] < upper_bound);
+ }
+ }
+}
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