Add oving 7

src/main/java/oving7/train/TrainCar.java

@@ -0,0 +1,71 @@
+package oving7.train;
+
+/**
+ * The class {@code TrainCar} represents a simple and general train car.
+ */
+public class TrainCarDocs {
+
+    // TODO: Add fields here
+
+    /**
+     * Constructor for a train car.
+     * 
+     * @param deadWeight the weight of an empty train car
+     * @throws IllegalArgumentException if deadWeight is negative
+     * 
+     * @see TrainCarTest#testDeadWeight()
+     */
+    public TrainCarDocs(int deadWeight) {
+        // TODO: Implement this constructor
+    }
+
+    /**
+     * @param deadWeight the weight of an empty train car. In other words, the weight of only the
+     *        carriage, without passengers and cargo
+     * @throws IllegalArgumentException if deadWeight is negative
+     * 
+     * @see TrainCarTest#testDeadWeight()
+     */
+    public void setDeadWeight(int deadWeight) {
+        // TODO: Implement this method
+    }
+
+    /**
+     * @return the weight of an empty train car. In other words, the weight of only the carriage,
+     *         without passengers and cargo
+     * 
+     * @see TrainCarTest#testDeadWeight()
+     */
+    public int getDeadWeight() {
+        // TODO: Implement this method
+        return 0;
+    }
+
+    /**
+     * @return the total weight of the train car. Note that this method should also be callable on
+     *         subclasses and still return the total weight of the train car (keyword:
+     *         redefinition).
+     * 
+     * @see TrainCarTest#testDeadWeight()
+     */
+    public int getTotalWeight() {
+        // TODO: Implement this method
+        return 0;
+    }
+
+    /**
+     * @return a string representation of the train car. The string should contain the type of the
+     *         train car and the total weight of the train car. For {@link PassengerCar}, the number
+     *         of passengers should also be included. For {@link CargoCar}, the weight of the cargo
+     *         should also be included.
+     */
+    @Override
+    public String toString() {
+        // TODO: Implement this method
+        return null;
+    }
+
+    public static void main(String[] args) {
+
+    }
+}