feat: ex3 pt2 serie2 finished

serie2/ex3_2/.gitignore

+*.class

serie2/ex3_2/Container.java

+public class Container {
+
+    private int length;
+    private int capacity;
+
+    public static void ensurePositiveValue(int... value) {
+        for (int i : value) {
+            if (i < 0) {
+                throw new RuntimeException("Value must be greater or equal to zero\tCurrently value = " + i);
+            }
+        }
+    }
+
+    public Container(int capacity) {
+        ensurePositiveValue(capacity);
+        this.capacity = capacity;
+        this.length = 0;
+    }
+
+    public static Container withCapacity(int capacity) {
+        return new Container(capacity);
+    }
+
+    public void fillToTheMax() {
+        this.length = this.capacity;
+    }
+
+    public void fillWith(int value) {
+        ensurePositiveValue(value);
+        if (this.length + value > this.capacity) {
+            throw new RuntimeException("Container overflowed");
+        }
+        this.length += value;
+    }
+
+    public int quantity() {
+        return this.length;
+    }
+
+    public boolean isFull() {
+        return this.length == this.capacity;
+    }
+
+    public int remaining() {
+        return this.capacity - this.length;
+    }
+
+    public void remove(int value) {
+        ensurePositiveValue(this.length - value);
+        this.length -= value;
+    }
+
+    public void flush() {
+        this.length = 0;
+    }
+
+    public void fillTo(Container baseContainer, Container... containers) {
+        int toFillBase = baseContainer.remaining();
+
+        if (toFillBase < this.length) {
+            baseContainer.fillWith(toFillBase);
+            this.remove(toFillBase);
+        } else {
+            int toFill = this.length;
+            this.remove(this.length);
+            baseContainer.fillWith(toFill);
+        }
+
+        for (Container container : containers) {
+            int toFillContainer = container.remaining();
+
+            System.out.println(this.length);
+
+            if (this.length > toFillContainer) {
+                container.fillWith(toFillContainer);
+                this.remove(toFillContainer);
+            } else {
+                int toFill = this.length;
+                this.remove(this.length);
+                container.fillWith(toFill);
+            }
+        }
+    }
+}

serie2/ex3_2/MainContainer.java

+public class MainContainer {
+
+    public static void main(String[] args) {
+        Container origin = Container.withCapacity(10);
+        origin.fillToTheMax();
+        Container destination1 = Container.withCapacity(5);
+        destination1.fillWith(2);
+        Container destination2 = Container.withCapacity(3);
+        Container destination3 = Container.withCapacity(10);
+        origin.fillTo(destination1, destination2, destination3);
+        assert destination1.isFull();
+        assert destination2.isFull();
+        assert destination2.remaining() == 0;
+        destination2.remove(2);
+        assert destination2.remaining() == 2;
+        assert !destination3.isFull();
+        System.out.println(destination3.quantity());
+        assert destination3.quantity() == 4;
+        destination3.flush();
+        assert destination3.quantity() == 0;
+    }
+}