Solution for Exceptions 02

.devcontainer.json

@@ -0,0 +1,3 @@
+{
+    "image": "mcr.microsoft.com/devcontainers/java:21"
+}

.vscode/extensions.json

@@ -0,0 +1,5 @@
+{
+    "recommendations": [
+        "vscjava.vscode-java-pack"
+    ]
+}

Barrel.java

@@ -0,0 +1,30 @@
+public class Barrel {
+
+  private int capacity;
+  private int fluidLevel;
+
+  public Barrel(int capacity) {
+    this.capacity = capacity;
+    fluidLevel = 0;
+  }
+
+  public int getCapacity() {
+    return capacity;
+  }
+
+  public int getFluidLevel() {
+    return fluidLevel;
+  }
+
+  public void addFluid(int value) throws BarrelOverflowException {
+    if (fluidLevel + value > capacity) {
+      fluidLevel = capacity;
+      throw new BarrelOverflowException();
+    }
+    fluidLevel += value;
+  }
+
+  public String toString() {
+    return "Barrel [capacity=" + capacity + "] [fluidlevel=" + fluidLevel + "]";
+  }
+}

BarrelOverflowException.java

@@ -0,0 +1,6 @@
+public class BarrelOverflowException extends Exception {
+
+  public BarrelOverflowException() {
+    super("Das war der Tropfen, der das Fass zum Ueberlaufen gebracht hat");
+  }
+}

Exercise.java

@@ -1,6 +1,31 @@
+import java.util.Scanner;
+
 public class Exercise {
 
   public static void main(String[] args) {
-    // implement exercise here
+    @SuppressWarnings("resource")
+    Scanner scanner = new Scanner(System.in);
+
+    System.out.print("Gib bitte die Kapazitaet des Fasses ein: ");
+    int capacity = scanner.nextInt();
+
+    Barrel barrel = new Barrel(capacity);
+
+    boolean loop = true;
+    while (loop) {
+      try {
+        System.out.print("Gib bitte die Menge der hinzuzufuegenden Fluessigkeit ein: ");
+        int value = scanner.nextInt();
+        if (value <= 0) {
+          loop = false;
+        } else {
+          barrel.addFluid(value);
+          System.out.println(barrel.toString());
+        }
+      } catch (BarrelOverflowException e) {
+        System.err.println(e.getMessage());
+        loop = false;
+      }
+    }
   }
 }