Initial commit

.gitignore

+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and WebStorm
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/**/usage.statistics.xml
+.idea/**/dictionaries
+.idea/**/shelf
+
+# Generated files
+.idea/**/contentModel.xml
+
+# Sensitive or high-churn files
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+.idea/**/dbnavigator.xml
+
+# Gradle
+.idea/**/gradle.xml
+#.idea/**/libraries
+
+# Gradle and Maven with auto-import
+# When using Gradle or Maven with auto-import, you should exclude module files,
+# since they will be recreated, and may cause churn.  Uncomment if using
+# auto-import.
+# .idea/modules.xml
+# .idea/*.iml
+# .idea/modules
+
+# CMake
+cmake-build-*/
+
+# Mongo Explorer plugin
+.idea/**/mongoSettings.xml
+
+# File-based project format
+*.iws
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+# Editor-based Rest Client
+.idea/httpRequests
+
+# Android studio 3.1+ serialized cache file
+.idea/caches/build_file_checksums.ser
+
+data/*

.gitlab-ci.yml

+static:
+    script: /testers/cs2/project05/static/test
+A:
+    script: /testers/cs2/project05/suite/test
+B:
+    script: /testers/cs2/project05/suite/test

.idea/checkstyle-idea.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CheckStyle-IDEA">
+    <option name="configuration">
+      <map>
+        <entry key="checkstyle-version" value="8.13" />
+        <entry key="copy-libs" value="false" />
+        <entry key="location-0" value="BUNDLED:(bundled):Sun Checks" />
+        <entry key="location-1" value="BUNDLED:(bundled):Google Checks" />
+        <entry key="scan-before-checkin" value="false" />
+        <entry key="scanscope" value="JavaOnly" />
+        <entry key="suppress-errors" value="false" />
+      </map>
+    </option>
+  </component>
+</project>
\ No newline at end of file

.idea/encodings.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding" addBOMForNewFiles="with NO BOM" />
+</project>
\ No newline at end of file

.idea/libraries/com_github_javaparser_javaparser_core_3_5_12.xml

+<component name="libraryTable">
+  <library name="com.github.javaparser:javaparser-core:3.5.12" type="repository">
+    <properties maven-id="com.github.javaparser:javaparser-core:3.5.12" />
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/com/github/javaparser/javaparser-core/3.5.12/javaparser-core-3.5.12.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES />
+  </library>
+</component>
\ No newline at end of file

.idea/libraries/org_hamcrest_hamcrest_2_2.xml

+<component name="libraryTable">
+  <library name="org.hamcrest:hamcrest:2.2" type="repository">
+    <properties maven-id="org.hamcrest:hamcrest:2.2" />
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/org/hamcrest/hamcrest/2.2/hamcrest-2.2.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES />
+  </library>
+</component>
\ No newline at end of file

.idea/libraries/org_hamcrest_hamcrest_core_2_2.xml

+<component name="libraryTable">
+  <library name="org.hamcrest:hamcrest-core:2.2" type="repository">
+    <properties maven-id="org.hamcrest:hamcrest-core:2.2" />
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/org/hamcrest/hamcrest-core/2.2/hamcrest-core-2.2.jar!/" />
+      <root url="jar://$MAVEN_REPOSITORY$/org/hamcrest/hamcrest/2.2/hamcrest-2.2.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES />
+  </library>
+</component>
\ No newline at end of file

.idea/libraries/org_javassist_javassist_3_29_2_GA.xml

+<component name="libraryTable">
+  <library name="org.javassist:javassist:3.29.2-GA" type="repository">
+    <properties maven-id="org.javassist:javassist:3.29.2-GA" />
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/org/javassist/javassist/3.29.2-GA/javassist-3.29.2-GA.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES />
+  </library>
+</component>
\ No newline at end of file

.idea/libraries/org_junit_jupiter_junit_jupiter_5_6_0_M1j.xml

+<component name="libraryTable">
+  <library name="org.junit.jupiter:junit-jupiter:5.6.0-M1j" type="repository">
+    <properties maven-id="org.junit.jupiter:junit-jupiter:5.9.2" />
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter/5.9.2/junit-jupiter-5.9.2.jar!/" />
+      <root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter-api/5.9.2/junit-jupiter-api-5.9.2.jar!/" />
+      <root url="jar://$MAVEN_REPOSITORY$/org/opentest4j/opentest4j/1.2.0/opentest4j-1.2.0.jar!/" />
+      <root url="jar://$MAVEN_REPOSITORY$/org/junit/platform/junit-platform-commons/1.9.2/junit-platform-commons-1.9.2.jar!/" />
+      <root url="jar://$MAVEN_REPOSITORY$/org/apiguardian/apiguardian-api/1.1.2/apiguardian-api-1.1.2.jar!/" />
+      <root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter-params/5.9.2/junit-jupiter-params-5.9.2.jar!/" />
+      <root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter-engine/5.9.2/junit-jupiter-engine-5.9.2.jar!/" />
+      <root url="jar://$MAVEN_REPOSITORY$/org/junit/platform/junit-platform-engine/1.9.2/junit-platform-engine-1.9.2.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES />
+  </library>
+</component>
\ No newline at end of file

.idea/misc.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="PreferredVcsStorage">
+    <preferredVcsName>ApexVCS</preferredVcsName>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_15" project-jdk-name="19" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file

.idea/modules.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/project05-markov.iml" filepath="$PROJECT_DIR$/project05-markov.iml" />
+    </modules>
+  </component>
+</project>

.idea/runConfigurations/A_Tests.xml

+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="A Tests" type="JUnit" factoryName="JUnit">
+    <module name="project05-markov" />
+    <option name="ALTERNATIVE_JRE_PATH" value="17" />
+    <option name="MAIN_CLASS_NAME" value="" />
+    <option name="METHOD_NAME" value="" />
+    <option name="TEST_OBJECT" value="tags" />
+    <option name="VM_PARAMETERS" value="-noverify -ea -javaagent:.idea/libraries/instrumentation.jar" />
+    <option name="PARAMETERS" value="" />
+    <option name="TEST_SEARCH_SCOPE">
+      <value defaultName="wholeProject" />
+    </option>
+    <tag value="A" />
+    <method v="2">
+      <option name="Make" enabled="true" />
+    </method>
+  </configuration>
+</component>
\ No newline at end of file

.idea/runConfigurations/B_Tests.xml

+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="B Tests" type="JUnit" factoryName="JUnit">
+    <module name="project05-markov" />
+    <option name="ALTERNATIVE_JRE_PATH" value="17" />
+    <option name="MAIN_CLASS_NAME" value="" />
+    <option name="METHOD_NAME" value="" />
+    <option name="TEST_OBJECT" value="tags" />
+    <option name="VM_PARAMETERS" value="-noverify -ea -javaagent:.idea/libraries/instrumentation.jar" />
+    <option name="PARAMETERS" value="" />
+    <option name="TEST_SEARCH_SCOPE">
+      <value defaultName="wholeProject" />
+    </option>
+    <tag value="B" />
+    <method v="2">
+      <option name="Make" enabled="true" />
+    </method>
+  </configuration>
+</component>
\ No newline at end of file

.idea/runConfigurations/ChainingHashDictionaryTests.xml

+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="ChainingHashDictionaryTests" type="JUnit" factoryName="JUnit" nameIsGenerated="true">
+    <module name="project05-markov" />
+    <extension name="coverage">
+      <pattern>
+        <option name="PATTERN" value="edu.caltech.cs2.datastructures.*" />
+        <option name="ENABLED" value="true" />
+      </pattern>
+    </extension>
+    <option name="PACKAGE_NAME" value="edu.caltech.cs2.datastructures" />
+    <option name="MAIN_CLASS_NAME" value="edu.caltech.cs2.datastructures.ChainingHashDictionaryTests" />
+    <option name="METHOD_NAME" value="" />
+    <option name="TEST_OBJECT" value="class" />
+    <option name="VM_PARAMETERS" value="-noverify -ea -javaagent:.idea/libraries/instrumentation.jar" />
+    <method v="2">
+      <option name="Make" enabled="true" />
+    </method>
+  </configuration>
+</component>
\ No newline at end of file

.idea/runConfigurations/MoveToFrontDictionaryTests.xml

+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="MoveToFrontDictionaryTests" type="JUnit" factoryName="JUnit" nameIsGenerated="true">
+    <module name="project05-markov" />
+    <extension name="coverage">
+      <pattern>
+        <option name="PATTERN" value="edu.caltech.cs2.datastructures.*" />
+        <option name="ENABLED" value="true" />
+      </pattern>
+    </extension>
+    <option name="PACKAGE_NAME" value="edu.caltech.cs2.datastructures" />
+    <option name="MAIN_CLASS_NAME" value="edu.caltech.cs2.datastructures.MoveToFrontDictionaryTests" />
+    <option name="METHOD_NAME" value="" />
+    <option name="TEST_OBJECT" value="class" />
+    <option name="VM_PARAMETERS" value="-noverify -ea -javaagent:.idea/libraries/instrumentation.jar" />
+    <method v="2">
+      <option name="Make" enabled="true" />
+    </method>
+  </configuration>
+</component>
\ No newline at end of file

.idea/runConfigurations/NGramTests.xml

+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="NGramTests" type="JUnit" factoryName="JUnit" nameIsGenerated="true">
+    <module name="project05-markov" />
+    <extension name="coverage">
+      <pattern>
+        <option name="PATTERN" value="edu.caltech.cs2.datastructures.*" />
+        <option name="ENABLED" value="true" />
+      </pattern>
+    </extension>
+    <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="true" />
+    <option name="ALTERNATIVE_JRE_PATH" value="19" />
+    <option name="PACKAGE_NAME" value="edu.caltech.cs2.datastructures" />
+    <option name="MAIN_CLASS_NAME" value="edu.caltech.cs2.datastructures.NGramTests" />
+    <option name="METHOD_NAME" value="" />
+    <option name="TEST_OBJECT" value="class" />
+    <option name="VM_PARAMETERS" value="-noverify -ea -javaagent:.idea/libraries/instrumentation.jar" />
+    <method v="2">
+      <option name="Make" enabled="true" />
+    </method>
+  </configuration>
+</component>
\ No newline at end of file

.idea/vcs.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

project05-markov.iml

+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/tests" isTestSource="true" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="org.hamcrest:hamcrest:2.2" level="project" />
+    <orderEntry type="library" name="org.hamcrest:hamcrest-core:2.2" level="project" />
+    <orderEntry type="library" name="org.junit.jupiter:junit-jupiter:5.6.0-M1j" level="project" />
+    <orderEntry type="library" name="com.github.javaparser:javaparser-core:3.5.12" level="project" />
+    <orderEntry type="library" name="org.javassist:javassist:3.29.2-GA" level="project" />
+  </component>
+</module>
\ No newline at end of file

src/edu/caltech/cs2/datastructures/BSTDictionary.java

+package edu.caltech.cs2.datastructures;
+
+import edu.caltech.cs2.interfaces.ICollection;
+import edu.caltech.cs2.interfaces.IQueue;
+import edu.caltech.cs2.interfaces.IDictionary;
+
+import java.util.Iterator;
+
+public class BSTDictionary<K extends Comparable<? super K>, V>
+        implements IDictionary<K, V> {
+
+    private BSTNode<K, V> root;
+    private int size;
+
+    /**
+     * Class representing an individual node in the Binary Search Tree
+     */
+    private static class BSTNode<K, V> {
+        public final K key;
+        public V value;
+
+        public BSTNode<K, V> left;
+        public BSTNode<K, V> right;
+
+        /**
+         * Constructor initializes this node's key, value, and children
+         */
+        public BSTNode(K key, V value) {
+            this.key = key;
+            this.value = value;
+            this.left = null;
+            this.right = null;
+        }
+
+        public BSTNode(BSTNode<K, V> o) {
+            this.key = o.key;
+            this.value = o.value;
+            this.left = o.left;
+            this.right = o.right;
+        }
+
+        public boolean isLeaf() {
+            return this.left == null && this.right == null;
+        }
+
+        public boolean hasBothChildren() {
+            return this.left != null && this.right != null;
+        }
+    }
+
+    /**
+     * Initializes an empty Binary Search Tree
+     */
+    public BSTDictionary() {
+        this.root = null;
+        this.size = 0;
+    }
+
+
+    @Override
+    public V get(K key) {
+        return null;
+    }
+
+    @Override
+    public V remove(K key) {
+        return null;
+    }
+
+    @Override
+    public V put(K key, V value) {
+        return null;
+    }
+
+    @Override
+    public boolean containsKey(K key) {
+        return false;
+    }
+
+    @Override
+    public boolean containsValue(V value) {
+        return false;
+    }
+
+    /**
+     * @return number of key/value pairs in the BST
+     */
+    @Override
+    public int size() {
+        return this.size;
+    }
+
+    @Override
+    public ICollection<K> keys() {
+        return null;
+    }
+
+    @Override
+    public ICollection<V> values() {
+        return null;
+    }
+
+    /**
+     * Implementation of an iterator over the BST
+     */
+
+    @Override
+    public Iterator<K> iterator() {
+        return keys().iterator();
+    }
+
+    @Override
+    public String toString() {
+        if (this.root == null) {
+            return "{}";
+        }
+
+        StringBuilder contents = new StringBuilder();
+
+        IQueue<BSTNode<K, V>> nodes = new ArrayDeque<>();
+        BSTNode<K, V> current = this.root;
+        while (current != null) {
+            contents.append(current.key + ": " + current.value + ", ");
+
+            if (current.left != null) {
+                nodes.enqueue(current.left);
+            }
+            if (current.right != null) {
+                nodes.enqueue(current.right);
+            }
+
+            current = nodes.dequeue();
+        }
+
+        return "{" + contents.toString().substring(0, contents.length() - 2) + "}";
+    }
+}