README.md

@@ -6,6 +6,5 @@ Lösungen zu den Aufgaben der Vorlesung "Programmieren" des ersten und zweiten S
 - **Editor**: [Visual Studio Code](https://code.visualstudio.com/)
   - [Extension Pack for Java](https://marketplace.visualstudio.com/items?itemName=vscjava.vscode-java-pack)
   - [EditorConfig for VS Code](https://marketplace.visualstudio.com/items?itemName=EditorConfig.EditorConfig)
-  - [Rainbow Brackets](https://marketplace.visualstudio.com/items?itemName=tal7aouy.rainbow-bracket)
 - **Java**: [Java Development Kit 21 (LTS)](https://www.oracle.com/de/java/technologies/downloads/#java21)
 - **Style Guide**: [Google Java Style Guide](https://github.com/google/styleguide/blob/gh-pages/eclipse-java-google-style.xml)

VL08/Aufgabe03/Aufgabe03.java

@@ -1,38 +0,0 @@
-package VL08.Aufgabe03;
-
-/**
- * Vorlesung 8 / Aufgabe 3
- *
- * @author Sebastian Brosch
- */
-public class Aufgabe03 {
-  public static void main(String[] args) {
-
-    Matrix matrixA = new Matrix(2, 3);
-    matrixA.setValue(0, 0, 3);
-    matrixA.setValue(0, 1, 2);
-    matrixA.setValue(0, 2, 1);
-    matrixA.setValue(1, 0, 1);
-    matrixA.setValue(1, 1, 0);
-    matrixA.setValue(1, 2, 2);
-
-    Matrix matrixB = new Matrix(3, 2);
-    matrixB.setValue(0, 0, 1);
-    matrixB.setValue(0, 1, 2);
-    matrixB.setValue(1, 0, 0);
-    matrixB.setValue(1, 1, 1);
-    matrixB.setValue(2, 0, 4);
-    matrixB.setValue(2, 1, 0);
-
-    System.out.println("------------------");
-    matrixA.print();
-    System.out.println("------------------");
-    matrixB.print();
-    System.out.println("------------------");
-
-    matrixA.multiply(matrixB);
-
-    matrixA.print();
-    System.out.println("------------------");
-  }
-}

VL08/Aufgabe03/Matrix.java

@@ -1,154 +0,0 @@
-package VL08.Aufgabe03;
-
-/**
- * A class to represent a Matrix.
- */
-public class Matrix {
-  private int rows = 0;
-  private int columns = 0;
-  private int[][] matrix;
-
-  Matrix(int rows, int columns) {
-    this.rows = rows;
-    this.columns = columns;
-    this.matrix = new int[this.rows][this.columns];
-
-    for (int rowIndex = 0; rowIndex < this.rows; rowIndex++) {
-      for (int columnIndex = 0; columnIndex < this.columns; columnIndex++) {
-        this.matrix[rowIndex][columnIndex] = 0;
-      }
-    }
-  }
-
-  /**
-   * Method to get the number of columns.
-   *
-   * @return The number of columns.
-   */
-  int getColumns() {
-    return this.columns;
-  }
-
-  /**
-   * Method to get the number of rows.
-   *
-   * @return The number of rows.
-   */
-  int getRows() {
-    return this.rows;
-  }
-
-  /**
-   * Method to get the value of a specific field.
-   *
-   * @param row    The row of the value.
-   * @param column The column of the value.
-   * @return The value of the given row and column.
-   */
-  int getValue(int row, int column) {
-    return this.matrix[row][column];
-  }
-
-  /**
-   * Method to set the value of a specific field.
-   *
-   * @param row    The row to set the value.
-   * @param column The column to set the value.
-   * @param value  The value to be set in the field.
-   */
-  void setValue(int row, int column, int value) {
-    this.matrix[row][column] = value;
-  }
-
-  /**
-   * Methode to get the state whether the given Matrix is same size.
-   *
-   * @param matrix The Matrix to check for same size.
-   * @return The state whether the given Matrix is same size.
-   */
-  boolean isSameSize(Matrix matrix) {
-    return (this.rows == matrix.getRows()) && (this.columns == matrix.getColumns());
-  }
-
-  /**
-   * Method to add a Matrix to the current Matrix.
-   *
-   * @param matrix The Matrix to add to the current Matrix.
-   */
-  void add(Matrix matrix) {
-    if (!this.isSameSize(matrix)) {
-      return;
-    }
-
-    for (int rowIndex = 0; rowIndex < this.rows; rowIndex++) {
-      for (int columnIndex = 0; columnIndex < this.columns; columnIndex++) {
-        this.matrix[rowIndex][columnIndex] += matrix.getValue(rowIndex, columnIndex);
-      }
-    }
-  }
-
-  /**
-   * Method to multiply a scalar value to the Matrix.
-   *
-   * @param scalar The scalar value to multiply the Matrix.
-   */
-  void multiply(int scalar) {
-    for (int rowIndex = 0; rowIndex < this.rows; rowIndex++) {
-      for (int columnIndex = 0; columnIndex < this.columns; columnIndex++) {
-        this.matrix[rowIndex][columnIndex] *= scalar;
-      }
-    }
-  }
-
-  /**
-   * Method to multiply a Matrix to the Matrix.
-   *
-   * @param matrix The Matrix to multiply with this Matrix.
-   * @return State whether the multiplication of the Matrix was successful.
-   */
-  boolean multiply(Matrix matrix) {
-
-    // multiplication is not possible if there are no rows or no columns.
-    if (this.getColumns() == 0 || this.getRows() == 0) {
-      return false;
-    }
-
-    // multiplication is only possible if the number of rows of Matrix A
-    // is equals to the number of columns of Matrix B.
-    if (this.getColumns() != matrix.getRows()) {
-      return false;
-    }
-
-    int[][] tempMatrix = new int[this.matrix.length][this.matrix.length];
-
-    for (int rowIndex = 0; rowIndex < this.getRows(); rowIndex++) {
-      for (int columnIndex = 0; columnIndex < matrix.getColumns(); columnIndex++) {
-        tempMatrix[rowIndex][columnIndex] = 0;
-
-        for (int fieldIndex = 0; fieldIndex < matrix.getRows(); fieldIndex++) {
-          tempMatrix[rowIndex][columnIndex] += this.getValue(rowIndex, fieldIndex)
-              * matrix.getValue(fieldIndex, columnIndex);
-        }
-      }
-    }
-
-    this.matrix = tempMatrix;
-    this.columns = tempMatrix.length;
-    this.rows = tempMatrix.length;
-
-    return true;
-  }
-
-  /**
-   * Method to print the Matrix.
-   */
-  void print() {
-    for (int rowIndex = 0; rowIndex < this.rows; rowIndex++) {
-      for (int columnIndex = 0; columnIndex < this.columns; columnIndex++) {
-        System.out.printf("%5d", this.getValue(rowIndex, columnIndex));
-      }
-
-      System.out.print("\n");
-    }
-  }
-}

VL08/Aufgabe04/Aufgabe04.java

@@ -1,30 +0,0 @@
-package VL08.Aufgabe04;
-
-import VL08.Aufgabe04.PersonenDH.Person;
-import VL08.Aufgabe04.PersonenDH.Student;
-import VL08.Aufgabe04.PersonenDH.Studiengangsleiter;
-import VL08.Aufgabe04.PersonenDH.Dozent;
-import VL08.Aufgabe04.PersonenDH.Mitarbeiter;
-
-import java.util.ArrayList;
-
-/**
- * Vorlesung 8 / Aufgabe 4
- *
- * @author Sebastian Brosch
- */
-public class Aufgabe04 {
-  public static void main(String[] args) {
-    ArrayList<Person> personen = new ArrayList<Person>();
-    personen.add(new Person("Petra Mustermann", 37));
-    personen.add(new Student("Max Mustermann", 30, "1234567"));
-    personen.add(new Dozent("Eva Mustermann", 50, "Informatik"));
-    personen.add(new Mitarbeiter("Tim Mustermann", 35, "Programmieren"));
-    personen.add(new Studiengangsleiter("Kevin Mustermann", 40, "BWL", "BWL 1"));
-
-    for (Person person : personen) {
-      person.print();
-      System.out.println("-------------------------");
-    }
-  }
-}

VL08/Aufgabe04/PersonenDH/Dozent.java

@@ -1,15 +0,0 @@
-package VL08.Aufgabe04.PersonenDH;
-
-public class Dozent extends Person {
-  private String specialization;
-
-  public Dozent(String name, int age, String specialization) {
-    super(name, age);
-    this.specialization = specialization;
-  }
-
-  public void print() {
-    super.print();
-    System.out.printf("Fachrichtung: %s\n", specialization);
-  }
-}

VL08/Aufgabe04/PersonenDH/Mitarbeiter.java

@@ -1,15 +0,0 @@
-package VL08.Aufgabe04.PersonenDH;
-
-public class Mitarbeiter extends Person {
-  private String activity;
-
-  public Mitarbeiter(String name, int age, String activity) {
-    super(name, age);
-    this.activity = activity;
-  }
-
-  public void print() {
-    super.print();
-    System.out.printf("Tätigkeit: %s\n", this.activity);
-  }
-}

VL08/Aufgabe04/PersonenDH/Person.java

@@ -1,16 +0,0 @@
-package VL08.Aufgabe04.PersonenDH;
-
-public class Person {
-  String name;
-  int age;
-
-  public Person(String name, int age) {
-    this.name = name;
-    this.age = age;
-  }
-
-  public void print() {
-    System.out.printf("Name: %s\n", this.name);
-    System.out.printf("Alter: %d\n", this.age);
-  }
-}

VL08/Aufgabe04/PersonenDH/Student.java

@@ -1,15 +0,0 @@
-package VL08.Aufgabe04.PersonenDH;
-
-public class Student extends Person {
-  private String studentNumber;
-
-  public Student(String name, int age, String studentNumber) {
-    super(name, age);
-    this.studentNumber = studentNumber;
-  }
-
-  public void print() {
-    super.print();
-    System.out.printf("Matrikel-Nummer: %s\n", this.studentNumber);
-  }
-}

VL08/Aufgabe04/PersonenDH/Studiengangsleiter.java

@@ -1,15 +0,0 @@
-package VL08.Aufgabe04.PersonenDH;
-
-final public class Studiengangsleiter extends Dozent {
-  private String course;
-
-  public Studiengangsleiter(String name, int age, String specialization, String course) {
-    super(name, age, specialization);
-    this.course = course;
-  }
-
-  public void print() {
-    super.print();
-    System.out.printf("Kurs: %s\n", this.course);
-  }
-}