Initial

src/HelloWorld.java

@@ -0,0 +1,5 @@
+public class HelloWorld {
+    public static void main (String[] args) {
+        System.out.println("Hello World");
+    }
+}

src/Main.java

@@ -0,0 +1,17 @@
+// Press Shift twice to open the Search Everywhere dialog and type `show whitespaces`,
+// then press Enter. You can now see whitespace characters in your code.
+public class Main {
+    public static void main(String[] args) {
+        // Press Alt+Enter with your caret at the highlighted text to see how
+        // IntelliJ IDEA suggests fixing it.
+        System.out.printf("Hello and welcome!");
+
+        // Press Shift+F10 or click the green arrow button in the gutter to run the code.
+        for (int i = 1; i <= 5; i++) {
+
+            // Press Shift+F9 to start debugging your code. We have set one breakpoint
+            // for you, but you can always add more by pressing Ctrl+F8.
+            System.out.println("i = " + i);
+        }
+    }
+}

src/praktikum01/ZahlenFilter.java

@@ -0,0 +1,43 @@
+package praktikum01;
+
+public class ZahlenFilter {
+
+    public static void main(String[] args) {
+
+        ZahlenFilter main = new ZahlenFilter();
+        main.Filterfuer5();
+        main.Filterfuer9();
+        main.Filterfuer3();
+
+    }
+
+    private void Filterfuer5() {
+        for (int i = 1; i <= 200; i++) {
+            if (i % 5 == 0) {
+                System.out.println(i + " ist durch 5 teilbar!");
+            }
+
+        }
+    }
+
+    private void Filterfuer9() {
+        for (int i = 1; i <= 200; i++) {
+            if (i % 10 == 9) {
+                System.out.println(i + "endet auf 9!");
+            }
+        }
+    }
+
+    private void Filterfuer3() {
+
+        for (int i = 1; i <= 200; i++) {
+            if (((i + (i - 1)) % 3 == 0)) {
+                int ergebnis = i + (i - 1);
+                System.out.println(i + " und " + (i - 1) + " addiert ergeben " + ergebnis + " und " + ergebnis + " ist durch 3 teilbar!");
+            }
+        }
+    }
+
+}
+
+