Zahlenfelder Vers1. Objektorientiert

.idea/uiDesigner.xml

@@ -0,0 +1,124 @@
+<?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.svg" 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.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="1" anchor="0" fill="2" />
+      </item>
+      <item class="javax.swing.JPanel" icon="/com/intellij/uiDesigner/icons/panel.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JScrollPane" icon="/com/intellij/uiDesigner/icons/scrollPane.svg" removable="false" auto-create-binding="false" can-attach-label="true">
+        <default-constraints vsize-policy="7" hsize-policy="7" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JButton" icon="/com/intellij/uiDesigner/icons/button.svg" 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.svg" 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.svg" 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>
+      <item class="javax.swing.JLabel" icon="/com/intellij/uiDesigner/icons/label.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="0" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="Label" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JTextField" icon="/com/intellij/uiDesigner/icons/textField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JPasswordField" icon="/com/intellij/uiDesigner/icons/passwordField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JFormattedTextField" icon="/com/intellij/uiDesigner/icons/formattedTextField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTextArea" icon="/com/intellij/uiDesigner/icons/textArea.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTextPane" icon="/com/intellij/uiDesigner/icons/textPane.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JEditorPane" icon="/com/intellij/uiDesigner/icons/editorPane.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JComboBox" icon="/com/intellij/uiDesigner/icons/comboBox.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="2" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JTable" icon="/com/intellij/uiDesigner/icons/table.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JList" icon="/com/intellij/uiDesigner/icons/list.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="2" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTree" icon="/com/intellij/uiDesigner/icons/tree.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTabbedPane" icon="/com/intellij/uiDesigner/icons/tabbedPane.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
+          <preferred-size width="200" height="200" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JSplitPane" icon="/com/intellij/uiDesigner/icons/splitPane.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
+          <preferred-size width="200" height="200" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JSpinner" icon="/com/intellij/uiDesigner/icons/spinner.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JSlider" icon="/com/intellij/uiDesigner/icons/slider.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JSeparator" icon="/com/intellij/uiDesigner/icons/separator.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JProgressBar" icon="/com/intellij/uiDesigner/icons/progressbar.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1" />
+      </item>
+      <item class="javax.swing.JToolBar" icon="/com/intellij/uiDesigner/icons/toolbar.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1">
+          <preferred-size width="-1" height="20" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JToolBar$Separator" icon="/com/intellij/uiDesigner/icons/toolbarSeparator.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="0" anchor="0" fill="1" />
+      </item>
+      <item class="javax.swing.JScrollBar" icon="/com/intellij/uiDesigner/icons/scrollbar.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="0" anchor="0" fill="2" />
+      </item>
+    </group>
+  </component>
+</project>

prog3.iml

@@ -4,8 +4,11 @@
     <exclude-output />
     <content url="file://$MODULE_DIR$">
       <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/test" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/testTriangel01" isTestSource="true" />
     </content>
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="junit.jupiter" level="application" />
   </component>
 </module>

src/praktikum01/Zahlenfilter.java

@@ -23,6 +23,7 @@ public class Zahlenfilter {
             } catch (NumberFormatException e) {
                 // Fehlermeldung, wenn das Argument keine gültige Zahl ist
                 System.out.println("Fehler: Bitte eine gültige Zahl als Programmargument eingeben.");
+                return; // Programm beenden
             }
         }
 

src/praktikum02/TriangleChecker.java

@@ -0,0 +1,56 @@
+package praktikum02;
+
+import java.util.Scanner;
+
+public class TriangleChecker {
+
+    public enum TriangleType {
+        NONE,
+        NORMAL,
+        ISOSCELES,  // Gleichschenklig
+        EQUILATERAL // Gleichseitig
+    }
+
+
+    public static void main(String[] args) {
+        Scanner s = new Scanner(System.in);
+        System.out.println("Geben Sie die Seitenlängen ein.");
+        float a = enterFloat(s, "a: ");
+        float b = enterFloat(s, "b: ");
+        float c = enterFloat(s, "c: ");
+        s.close();
+        printAnalysis(a, b, c);
+    }
+
+    // Eingabe einer Seitenlänge
+    private static float enterFloat(Scanner s, String prompt) {
+        System.out.print(prompt);
+        return s.nextFloat();
+    }
+
+    // Ausgabe der ermittelten Dreiecksart
+    private static void printAnalysis(float a, float b, float c) {
+        TriangleType type = checkTriangle(a, b, c);
+        switch (type) {
+            case NONE:
+                System.out.println("Kein Dreieck");
+                break;
+            case NORMAL:
+                System.out.println("Dreieck");
+                break;
+            case ISOSCELES:
+                System.out.println("Gleichschenkliges Dreieck");
+                break;
+            case EQUILATERAL:
+                System.out.println("Gleichseitiges Dreieck");
+                break;
+        }
+    }
+
+    // Analyse der Dreiecksart
+    public static TriangleType checkTriangle(float a, float b, float c) {
+        return TriangleType.NORMAL;
+    }
+
+
+}

src/praktikum02/Zahlenfilter02.java

@@ -0,0 +1,63 @@
+package praktikum02;
+
+//Zahlenfilter
+public class Zahlenfilter02 {
+
+    private int start;
+
+    private int end;
+
+    public Zahlenfilter02(int s, int e) {
+        start = s;
+        end = e;
+    }
+
+    public static void main(String[] args) {
+        // Standardendwert ist 200, falls keine Argumente übergeben werden
+        int end = 200;
+
+        // Überprüfen, ob ein Programmargument übergeben wurde
+        if (args.length > 0) {
+            try {
+                // Versuchen, das Argument in eine Zahl umzuwandeln
+                end = Integer.parseInt(args[0]);
+            } catch (NumberFormatException e) {
+                // Fehlermeldung, wenn das Argument keine gültige Zahl ist
+                System.out.println("Fehler: Bitte eine gültige Zahl als Programmargument eingeben.");
+            }
+        }
+
+        Zahlenfilter02 zf = new Zahlenfilter02(1, end);
+        zf.printNumbers();
+    }
+
+   private void printNumbers() {
+       for (int i = 1; i <= end; i++) {
+           if (filter(i))
+               System.out.print(i + " ");
+       }
+   }
+
+    public static boolean filter(int number) {
+        return !(checkDivByFive(number) || checkEndsWithNine(number) || checkSumDivByThree(number));
+    }
+
+    public static boolean checkDivByFive(int number) {
+        // Wenn durch 5 Teilbar
+        return (number % 5 == 0);
+    }
+
+    public static boolean checkEndsWithNine(int number) {
+        // Wenn Zahl auf 9 endet
+        return (number % 10 == 9);
+    }
+
+    public static boolean checkSumDivByThree(int number) {
+        int vorgaenger = number - 1;
+        int summe = number + vorgaenger;
+
+
+        // Überprüfen, ob die Summe durch 3 teilbar ist
+        return (summe % 3 == 0);
+    }
+}

test/praktikum02/TriangleCheckerTest.java

@@ -0,0 +1,13 @@
+package praktikum02;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class TriangleCheckerTest {
+
+    @Test
+    void checkTriangleNormal() {
+        assertEquals(TriangleChecker.TriangleType.NORMAL,TriangleChecker.checkTriangle( 10 ,5,6) );
+    }
+}

test/praktikum02/Zahlenfilter02Test.java

@@ -0,0 +1,30 @@
+package praktikum02;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class Zahlenfilter02Test {
+
+    @Test
+    void filter() {
+    }
+
+    @Test
+    void checkDivByFive() {
+        assertTrue( Zahlenfilter02.checkDivByFive( 5 ) );
+        assertFalse( Zahlenfilter02.checkDivByFive( 6 ) );
+    }
+
+    @Test
+    void checkEndsWithNine() {
+        assertTrue( Zahlenfilter02.checkEndsWithNine( 9 ) );
+        assertFalse( Zahlenfilter02.checkEndsWithNine( 10 ) );
+    }
+
+    @Test
+    void checkSumDivByThree() {
+        assertTrue( Zahlenfilter02.checkSumDivByThree( 2 ) );
+        assertFalse( Zahlenfilter02.checkSumDivByThree( 7 ) );
+    }
+}