diff --git a/.devcontainer.json b/.devcontainer.json
new file mode 100644
index 0000000..bfbeb0d
--- /dev/null
+++ b/.devcontainer.json
@@ -0,0 +1,3 @@
+{
+    "image": "mcr.microsoft.com/devcontainers/java:21"
+}
\ No newline at end of file
diff --git a/.vscode/extensions.json b/.vscode/extensions.json
new file mode 100644
index 0000000..add4f4e
--- /dev/null
+++ b/.vscode/extensions.json
@@ -0,0 +1,5 @@
+{
+    "recommendations": [
+        "vscjava.vscode-java-pack"
+    ]
+}
\ No newline at end of file
diff --git a/Exercise.java b/Exercise.java
index 3c092f9..e3af8cd 100644
--- a/Exercise.java
+++ b/Exercise.java
@@ -1,6 +1,27 @@
+import java.util.Scanner;
+
 public class Exercise {
 
   public static void main(String[] args) {
-    // implement exercise here
+    @SuppressWarnings("resource")
+    Scanner sc = new Scanner(System.in);
+
+    System.out.print("Gib bitte eine Zeichenkette ein: ");
+    String text = sc.nextLine();
+
+    System.out.print("Gib bitte das zu analysierende Zeichen ein: ");
+    char token = sc.next().charAt(0);
+
+    int count = 0;
+    for (int i = 0; i < text.length(); i++) {
+      if (text.charAt(i) == token) {
+        count++;
+      }
+    }
+
+    double percentage = count * 100 / text.length();
+
+    System.out.printf("Absoluter Anteil: %d%n", count);
+    System.out.printf("Prozentualer Anteil: %.2f%%%n", percentage);
   }
 }