Initial commit

sll/.editorconfig

@@ -0,0 +1,17 @@
+# Editor configuration, see http://editorconfig.org
+root = true
+
+[*]
+charset = utf-8
+indent_style = space
+indent_size = 2
+insert_final_newline = true
+trim_trailing_whitespace = true
+max_line_length = 80
+
+[*.sh]
+end_of_line = lf
+
+[*.java]
+indent_size = 4
+max_line_length = 120

sll/.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml

sll/.idea/compiler.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <annotationProcessing>
+      <profile name="Maven default annotation processors profile" enabled="true">
+        <sourceOutputDir name="target/generated-sources/annotations" />
+        <sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
+        <outputRelativeToContentRoot value="true" />
+        <module name="sll" />
+      </profile>
+    </annotationProcessing>
+  </component>
+</project>

sll/.idea/encodings.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding">
+    <file url="file://$PROJECT_DIR$/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/src/main/resources" charset="UTF-8" />
+  </component>
+</project>

sll/.idea/jarRepositories.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RemoteRepositoriesConfiguration">
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Central Repository" />
+      <option name="url" value="https://repo.maven.apache.org/maven2" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Maven Central repository" />
+      <option name="url" value="https://repo1.maven.org/maven2" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="jboss.community" />
+      <option name="name" value="JBoss Community repository" />
+      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
+    </remote-repository>
+  </component>
+</project>

sll/.idea/misc.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="MavenProjectsManager">
+    <option name="originalFiles">
+      <list>
+        <option value="$PROJECT_DIR$/pom.xml" />
+      </list>
+    </option>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_18" default="true" project-jdk-name="18" project-jdk-type="JavaSDK" />
+</project>

sll/.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "print.colourScheme": "Atom One"
+}

sll/pom.xml

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+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>com.tabrizu.ds</groupId>
+  <artifactId>sll</artifactId>
+  <version>1.0</version>
+  <properties>
+    <maven.compiler.source>1.8</maven.compiler.source>
+    <maven.compiler.target>1.8</maven.compiler.target>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <junit.version>5.6.0</junit.version>
+    <maven-enforcer-plugin.version>3.0.0-M3</maven-enforcer-plugin.version>
+    <maven-checkstyle-plugin.version>3.1.2</maven-checkstyle-plugin.version>
+    <checkstyle.version>8.45.1</checkstyle.version>
+    <maven-surefire-plugin.version>3.0.0-M5</maven-surefire-plugin.version>
+    <jacoco-maven-plugin.version>0.8.4</jacoco-maven-plugin.version>
+    <maven-javadoc-plugin.version>3.0.0</maven-javadoc-plugin.version>
+    <!-- JaCoCo thresholds. Increase gradually as you add tests. -->
+    <jacoco.unit-tests.limit.instruction-ratio>0%</jacoco.unit-tests.limit.instruction-ratio>
+    <jacoco.unit-tests.limit.branch-ratio>0%</jacoco.unit-tests.limit.branch-ratio>
+    <jacoco.unit-tests.limit.class-complexity>20</jacoco.unit-tests.limit.class-complexity>
+    <jacoco.unit-tests.limit.method-complexity>5</jacoco.unit-tests.limit.method-complexity>
+  </properties>
+  <dependencies>
+    <dependency>
+      <groupId>org.junit.jupiter</groupId>
+      <artifactId>junit-jupiter-api</artifactId>
+      <version>${junit.version}</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.junit.jupiter</groupId>
+      <artifactId>junit-jupiter-engine</artifactId>
+      <version>${junit.version}</version>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-enforcer-plugin</artifactId>
+        <version>${maven-enforcer-plugin.version}</version>
+        <executions>
+          <execution>
+            <goals>
+              <goal>enforce</goal>
+            </goals>
+            <configuration>
+              <rules>
+                <requireMavenVersion>
+                  <version>3.6.3</version>
+                </requireMavenVersion>
+              </rules>
+              <fail>true</fail>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-checkstyle-plugin</artifactId>
+        <version>${maven-checkstyle-plugin.version}</version>
+        <dependencies>
+          <dependency>
+            <groupId>com.puppycrawl.tools</groupId>
+            <artifactId>checkstyle</artifactId>
+            <version>${checkstyle.version}</version>
+          </dependency>
+          <dependency>
+            <groupId>com.github.ngeor</groupId>
+            <artifactId>checkstyle-rules</artifactId>
+            <version>4.9.3</version>
+          </dependency>
+        </dependencies>
+        <configuration>
+          <configLocation>com/github/ngeor/checkstyle.xml</configLocation>
+          <includeTestSourceDirectory>true</includeTestSourceDirectory>
+          <skip>${skipTests}</skip>
+        </configuration>
+        <executions>
+          <execution>
+            <id>checkstyle</id>
+            <phase>validate</phase>
+            <goals>
+              <goal>check</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-surefire-plugin</artifactId>
+        <version>${maven-surefire-plugin.version}</version>
+      </plugin>
+      <plugin>
+        <groupId>org.jacoco</groupId>
+        <artifactId>jacoco-maven-plugin</artifactId>
+        <version>${jacoco-maven-plugin.version}</version>
+        <executions>
+          <execution>
+            <id>pre-unit-test</id>
+            <goals>
+              <goal>prepare-agent</goal>
+            </goals>
+          </execution>
+          <execution>
+            <id>post-unit-test</id>
+            <phase>test</phase>
+            <goals>
+              <goal>report</goal>
+            </goals>
+          </execution>
+          <execution>
+            <id>check-unit-test</id>
+            <phase>test</phase>
+            <goals>
+              <goal>check</goal>
+            </goals>
+            <configuration>
+              <dataFile>${project.build.directory}/jacoco.exec</dataFile>
+              <rules>
+                <rule>
+                  <element>BUNDLE</element>
+                  <limits>
+                    <limit>
+                      <counter>INSTRUCTION</counter>
+                      <value>COVEREDRATIO</value>
+                      <minimum>${jacoco.unit-tests.limit.instruction-ratio}</minimum>
+                    </limit>
+                    <limit>
+                      <counter>BRANCH</counter>
+                      <value>COVEREDRATIO</value>
+                      <minimum>${jacoco.unit-tests.limit.branch-ratio}</minimum>
+                    </limit>
+                  </limits>
+                </rule>
+                <rule>
+                  <element>CLASS</element>
+                  <limits>
+                    <limit>
+                      <counter>COMPLEXITY</counter>
+                      <value>TOTALCOUNT</value>
+                      <maximum>${jacoco.unit-tests.limit.class-complexity}</maximum>
+                    </limit>
+                  </limits>
+                </rule>
+                <rule>
+                  <element>METHOD</element>
+                  <limits>
+                    <limit>
+                      <counter>COMPLEXITY</counter>
+                      <value>TOTALCOUNT</value>
+                      <maximum>${jacoco.unit-tests.limit.method-complexity}</maximum>
+                    </limit>
+                  </limits>
+                </rule>
+              </rules>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+  <reporting>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-javadoc-plugin</artifactId>
+        <version>${maven-javadoc-plugin.version}</version>
+      </plugin>
+    </plugins>
+  </reporting>
+</project>

sll/src/main/java/com/tabrizu/ds/App.java

@@ -0,0 +1,19 @@
+package com.tabrizu.ds;
+
+/**
+ * Hello world!
+ */
+public final class App {
+    private App() {
+    }
+
+    /**
+     * Says hello to the world.
+     * @param args The arguments of the program.
+     */
+    public static void main(String[] args) {
+        System.out.println("Hello World!");
+
+        SingleLinkedList<Integer> myList = new SingleLinkedList<Integer>();
+    }
+}

sll/src/main/java/com/tabrizu/ds/ISingleLinkedList.java

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+package com.tabrizu.ds;
+
+
+public interface ISingleLinkedList<T> {
+    public int size();
+    public void addFirst(T value);
+    public void addLast(T value);
+    public T removeFirst();
+    public T removeLast();
+    public T getFirst();
+    public T getLast();
+}

sll/src/main/java/com/tabrizu/ds/SingleLinkedList.java

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+package com.tabrizu.ds;
+
+public class SingleLinkedList<T> implements ISingleLinkedList<T> {
+
+    private class Node {
+        private T m_value;
+        private Node m_next;
+
+        public Node(T value, Node next) {
+            m_value = value;
+            m_next = next;
+        }
+
+        public T getValue() {
+            return m_value;
+        }
+
+        public Node getNext() {
+            return m_next;
+        }
+
+        public void setNext(Node next) {
+            m_next = next;
+        }
+    }
+
+    private Node m_head;
+    private Node m_tail;
+    private int m_size;
+
+    public SingleLinkedList() {
+        m_head = null;
+        m_tail = null;
+        m_size = 0;
+    }
+
+    @Override
+    public int size() {
+        return m_size;
+    }
+
+    @Override
+    public void addFirst(T value) {
+        m_head = new Node(value, m_head);
+        if (m_size == 0) {
+            m_tail = m_head;
+        }
+        m_size += 1;
+    }
+
+    @Override
+    public void addLast(T value) {
+        if (m_size == 0) {
+            addFirst(value);
+        }
+        Node newNode = new Node(value, null);
+        m_tail.setNext(newNode);
+        m_tail = newNode;
+        m_size++;
+
+    }
+
+    @Override
+    public T removeFirst() {
+        if (m_size == 0) {
+            return null;
+        }
+        T lastHead = m_head.getValue();
+        m_head = m_head.getNext();
+        m_size--;
+
+        return lastHead;
+    }
+
+    @Override
+    public T removeLast() {
+        if (m_size == 0) {
+            return null;
+        }
+        T lastTail = m_tail.getValue();
+        Node currentNode = m_head;
+        while (currentNode.getNext() != null){
+
+            currentNode = currentNode.getNext();
+
+        }
+    }
+
+    @Override
+    public T getFirst() {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public T getLast() {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public String toString() {
+
+    }
+
+}

sll/src/test/java/com/tabrizu/ds/AppTest.java

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+package com.tabrizu.ds;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+/**
+ * Unit test for simple App.
+ */
+class AppTest {
+    /**
+     * Rigorous Test.
+     */
+    @Test
+    void testApp() {
+        assertEquals(1, 1);
+    }
+}