Initial Commit

.gitlab-ci.yml

+static:
+    script: /testers/cs2/project03/static/test
+A:
+    script: /testers/cs2/project03/suite/test
+B:
+    script: /testers/cs2/project03/suite/test
+C:
+    script: /testers/cs2/project03/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

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+  <library name="com.github.javaparser:javaparser-core:3.5.12" type="repository">
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+    <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!/" />
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+    <JAVADOC />
+    <SOURCES />
+  </library>
+</component>
\ No newline at end of file

.idea/libraries/org_junit_jupiter_junit_jupiter_5_6_0_M1.xml

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+  <library name="org.junit.jupiter:junit-jupiter:5.6.0-M1" type="repository">
+    <properties maven-id="org.junit.jupiter:junit-jupiter:5.6.0-M1" />
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter/5.6.0-M1/junit-jupiter-5.6.0-M1.jar!/" />
+      <root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter-api/5.6.0-M1/junit-jupiter-api-5.6.0-M1.jar!/" />
+      <root url="jar://$MAVEN_REPOSITORY$/org/apiguardian/apiguardian-api/1.1.0/apiguardian-api-1.1.0.jar!/" />
+      <root url="jar://$MAVEN_REPOSITORY$/org/opentest4j/opentest4j/1.2.0/opentest4j-1.2.0.jar!/" />
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+      <root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter-params/5.6.0-M1/junit-jupiter-params-5.6.0-M1.jar!/" />
+      <root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter-engine/5.6.0-M1/junit-jupiter-engine-5.6.0-M1.jar!/" />
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+    <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="JavadocGenerationManager">
+    <option name="OUTPUT_DIRECTORY" value="$PROJECT_DIR$/doc" />
+    <option name="OPTION_SCOPE" value="public" />
+    <option name="OTHER_OPTIONS" value="-link https://docs.oracle.com/javase/8/docs/api/" />
+    <option name="OPTION_INCLUDE_LIBS" value="true" />
+  </component>
+  <component name="PreferredVcsStorage">
+    <preferredVcsName>ApexVCS</preferredVcsName>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="11" 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://$PROJECT_DIR$/project03-guitar.iml" filepath="$PROJECT_DIR$/project03-guitar.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file

.idea/uiDesigner.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Palette2">
+    <group name="Swing">
+      <item class="com.intellij.uiDesigner.HSpacer" tooltip-text="Horizontal Spacer" icon="/com/intellij/uiDesigner/icons/hspacer.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="1" hsize-policy="6" anchor="0" fill="1" />
+      </item>
+      <item class="com.intellij.uiDesigner.VSpacer" tooltip-text="Vertical Spacer" icon="/com/intellij/uiDesigner/icons/vspacer.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="1" anchor="0" fill="2" />
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+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3" />
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+      </item>
+      <item class="javax.swing.JButton" icon="/com/intellij/uiDesigner/icons/button.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="0" fill="1" />
+        <initial-values>
+          <property name="text" value="Button" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JRadioButton" icon="/com/intellij/uiDesigner/icons/radioButton.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="RadioButton" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JCheckBox" icon="/com/intellij/uiDesigner/icons/checkBox.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="CheckBox" />
+        </initial-values>
+      </item>
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+        <initial-values>
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+      </item>
+    </group>
+  </component>
+</project>
\ 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>
\ No newline at end of file

.idea/workspace.xml

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+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
+    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
+    <option name="LAST_RESOLUTION" value="IGNORE" />
+  </component>
+  <component name="FileTemplateManagerImpl">
+    <option name="RECENT_TEMPLATES">
+      <list>
+        <option value="Interface" />
+        <option value="Class" />
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+    </option>
+  </component>
+  <component name="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
+    <option name="SET_USER_NAME_GLOBALLY" value="false" />
+  </component>
+  <component name="IgnoredFileRootStore">
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+  <component name="ProjectId" id="1TiQOxb43nUvszkonuBQNG9h4pe" />
+  <component name="ProjectLevelVcsManager" settingsEditedManually="true" />
+  <component name="ProjectViewState">
+    <option name="hideEmptyMiddlePackages" value="true" />
+    <option name="showExcludedFiles" value="true" />
+    <option name="showLibraryContents" value="true" />
+  </component>
+  <component name="PropertiesComponent">
+    <property name="ASKED_ADD_EXTERNAL_FILES" value="true" />
+    <property name="ASKED_SHARE_PROJECT_CONFIGURATION_FILES" value="true" />
+    <property name="Downloaded.Files.Path.Enabled" value="false" />
+    <property name="Repository.Attach.Annotations" value="false" />
+    <property name="Repository.Attach.JavaDocs" value="false" />
+    <property name="Repository.Attach.Sources" value="false" />
+    <property name="RunOnceActivity.ShowReadmeOnStart" value="true" />
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+    <property name="project.structure.proportion" value="0.15" />
+    <property name="project.structure.side.proportion" value="0.39655173" />
+    <property name="settings.editor.selected.configurable" value="project.propVCSSupport.Mappings" />
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+  </component>
+</project>
\ No newline at end of file

project03-guitar.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="module" module-name="data-structures" />
+    <orderEntry type="library" name="com.github.javaparser:javaparser-core:3.5.12" level="project" />
+    <orderEntry type="library" scope="TEST" name="org.hamcrest:hamcrest-all:1.3" level="project" />
+    <orderEntry type="library" name="org.junit.jupiter:junit-jupiter-params:5.4.0" level="project" />
+    <orderEntry type="library" name="org.junit.jupiter:junit-jupiter:5.6.0-M1" level="project" />
+    <orderEntry type="library" name="org.hamcrest:hamcrest:2.2" level="project" />
+    <orderEntry type="library" name="org.hamcrest:hamcrest-core:2.2" level="project" />
+  </component>
+</module>
\ No newline at end of file

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

+package edu.caltech.cs2.datastructures;
+
+import edu.caltech.cs2.interfaces.IDeque;
+import edu.caltech.cs2.interfaces.IQueue;
+import edu.caltech.cs2.interfaces.IStack;
+
+import java.util.Iterator;
+
+public class ArrayDeque<E> implements IDeque<E>, IQueue<E>, IStack<E> {
+
+    @Override
+    public void addFront(E e) {
+
+    }
+
+    @Override
+    public void addBack(E e) {
+
+    }
+
+    @Override
+    public E removeFront() {
+        return null;
+    }
+
+    @Override
+    public E removeBack() {
+        return null;
+    }
+
+    @Override
+    public boolean enqueue(E e) {
+        return false;
+    }
+
+    @Override
+    public E dequeue() {
+        return null;
+    }
+
+    @Override
+    public boolean push(E e) {
+        return false;
+    }
+
+    @Override
+    public E pop() {
+        return null;
+    }
+
+    @Override
+    public E peek() {
+        return null;
+    }
+
+    @Override
+    public E peekFront() {
+        return null;
+    }
+
+    @Override
+    public E peekBack() {
+        return null;
+    }
+
+    @Override
+    public Iterator<E> iterator() {
+        return null;
+    }
+
+    @Override
+    public int size() {
+        return 0;
+    }
+}
+

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

+package edu.caltech.cs2.datastructures;
+
+import edu.caltech.cs2.interfaces.IFixedSizeQueue;
+
+import java.util.Iterator;
+
+public class CircularArrayFixedSizeQueue<E> implements IFixedSizeQueue<E> {
+
+    @Override
+    public boolean isFull() {
+        return false;
+    }
+
+    @Override
+    public int capacity() {
+        return 0;
+    }
+
+    @Override
+    public boolean enqueue(E e) {
+        return false;
+    }
+
+    @Override
+    public E dequeue() {
+        return null;
+    }
+
+    @Override
+    public E peek() {
+        return null;
+    }
+
+    @Override
+    public int size() {
+        return 0;
+    }
+
+    @Override
+    public Iterator<E> iterator() {
+        return null;
+    }
+}

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

+package edu.caltech.cs2.datastructures;
+
+import edu.caltech.cs2.interfaces.IDeque;
+import edu.caltech.cs2.interfaces.IQueue;
+import edu.caltech.cs2.interfaces.IStack;
+
+import java.util.Iterator;
+
+public class LinkedDeque<E> implements IDeque<E>, IQueue<E>, IStack<E> {
+
+    @Override
+    public void addFront(E e) {
+
+    }
+
+    @Override
+    public void addBack(E e) {
+
+    }
+
+    @Override
+    public E removeFront() {
+        return null;
+    }
+
+    @Override
+    public E removeBack() {
+        return null;
+    }
+
+    @Override
+    public boolean enqueue(E e) {
+        return false;
+    }
+
+    @Override
+    public E dequeue() {
+        return null;
+    }
+
+    @Override
+    public boolean push(E e) {
+        return false;
+    }
+
+    @Override
+    public E pop() {
+        return null;
+    }
+
+    @Override
+    public E peek() {
+        return null;
+    }
+
+    @Override
+    public E peekFront() {
+        return null;
+    }
+
+    @Override
+    public E peekBack() {
+        return null;
+    }
+
+    @Override
+    public Iterator<E> iterator() {
+        return null;
+    }
+
+    @Override
+    public int size() {
+        return 0;
+    }
+}

src/edu/caltech/cs2/interfaces/ICollection.java

+package edu.caltech.cs2.interfaces;
+
+import java.util.Iterator;
+
+/**
+ * This interface represents some group or collection of elements.
+ * @param <E> Element type
+ */
+public interface ICollection<E> extends Iterable<E> {
+
+  /**
+   * Add an element to the collection.
+   * @param e Element to add
+   */
+  public void add(E e);
+
+  /**
+   * Removes all elements from the collection.
+   */
+  public void clear();
+
+  /**
+   * Generates an iterator over the collection.
+   * @return Iterator over the collection
+   */
+  public Iterator<E> iterator();
+
+  /**
+   * Checks if an element is contained in the collection.
+   * @param e Element to check for
+   * @return True if element is contained in collection, false otherwise
+   */
+  default public boolean contains(E e) {
+    for (E item : this) {
+      if (e == null ? item == null : e.equals(item)) {
+        return true;
+      }
+    }
+    return false;
+  }
+
+  /**
+   * Calculates the size of the collection.
+   * @return Number of elements in the collection
+   */
+  public int size();
+
+  /**
+   * Checks whether the collection contains no elements.
+   * @return True if no elements are contained, false otherwise
+   */
+  default public boolean isEmpty() {
+    return this.size() == 0;
+  }
+}

src/edu/caltech/cs2/interfaces/IDeque.java

+package edu.caltech.cs2.interfaces;
+
+/**
+ * This interface represents a deque - a data structure that can add and remove elements from either end of a list.
+ * @param <E> Element type
+ */
+public interface IDeque<E> extends ICollection<E> {
+
+  /**
+   * Add an element to the front end of the deque.
+   * @param e Element to add
+   */
+  public void addFront(E e);
+
+  /**
+   * Add an element to the back end of the deque.
+   * @param e Element to add
+   */
+  public void addBack(E e);
+
+  /**
+   * Adds an element to the collection.
+   * @param e Element to add
+   */
+  default public void add(E e){
+    this.addFront(e);
+  }
+
+  /**
+   * Adds a collection of elements to this collection.
+   * @param c Collection of elements to add
+   */
+  default public void addAll(ICollection<E> c) {
+    for (E e : c) {
+      this.add(e);
+    }
+  }
+
+  /**
+   * Removes and returns the element at the front end of the deque. Returns null if deque is empty.
+   * @return Element at front, if one exists; null otherwise
+   */
+  public E removeFront();
+
+  /**
+   * Removes and returns the element at the back end of the deque. Returns null if deque is empty.
+   * @return Element at back, if one exists; null otherwise
+   */
+  public E removeBack();
+
+  /**
+   * Removes all elements in the deque.
+   */
+  default public void clear() {
+    while (!this.isEmpty()) {
+      this.removeBack();
+    }
+  }
+
+  /**
+   * Returns (but does not remove) the element at one end of the deque. Returns null if deque is empty.
+   * Note: The side you peek from should be chosen such that both the IQueue and IStack interfaces are implemented correctly.
+   * @return Element at one end, if one exists; null otherwise
+   */
+  public E peek();
+
+  /**
+   * Returns (but does not remove) the element at the front end of the deque. Returns null if deque is empty.
+   * @return Element at front, if one exists; null otherwise
+   */
+  public E peekFront();
+
+  /**
+   * Returns (but does not remove) the element at the back end of the deque. Returns null if deque is empty.
+   * @return Element at back, if one exists; null otherwise
+   */
+  public E peekBack();
+
+}

src/edu/caltech/cs2/interfaces/IFixedSizeQueue.java

+package edu.caltech.cs2.interfaces;
+
+/**
+ * This interface represents a fixed-size queue - a queue with a constant and finite capacity.
+ * @param <E> Element type
+ */
+public interface IFixedSizeQueue<E> extends IQueue<E> {
+
+  /**
+   * Checks whether the fixed-size queue is full.
+   * @return True if full, false otherwise
+   */
+  public boolean isFull();
+
+  /**
+   * Calculates the maximum capacity of the queue.
+   * @return Maximum capacity of the queue
+   */
+  public int capacity();
+}
\ No newline at end of file

src/edu/caltech/cs2/interfaces/IQueue.java

+package edu.caltech.cs2.interfaces;
+
+/**
+ * This interface represents a queue - a data structure that can add elements at one end and remove them from the other.
+ * @param <E> Element type
+ */
+public interface IQueue<E> extends Iterable<E> {
+  /**
+   * Adds an element to the back of the queue.
+   * @param e Element to add
+   * @return True if successful, false otherwise (i.e. fixed data structure is full)
+   */
+  public boolean enqueue(E e);
+
+  /**
+   * Removes and returns the element at the front of the queue. Returns null if queue is empty.
+   * @return Element at front of queue, if one exists; null otherwise
+   */
+  public E dequeue();
+
+  /**
+   * Returns (but does not remove) the element at the front of the queue. Returns null if queue is empty.
+   * @return Element at front of queue, if one exists; null otherwise
+   */
+  public E peek();
+
+  /**
+   * Calculates the size of the queue.
+   * @return Number of elements in the queue
+   */
+  public int size();
+}