Initial Commit

Source Code/Assignment 4/src/TankTrain.java

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+/**
+ * TankTrain class
+ * @author Isaac Shoebottom (3429069)
+ */
+
+public class TankTrain extends TrainCar {
+    double litres;
+    boolean hazardous;
+
+    /**
+     * The constructor for the tank train
+     * @param code The unique code for the tank train
+     * @param inspectionYr The year the train was last inspected
+     * @param litres The litres the train is carrying
+     * @param hazardous If the train is carrying hazardous materials
+     */
+    TankTrain(String code, int inspectionYr, double litres, boolean hazardous) {
+        super(code, inspectionYr);
+        this.litres = litres;
+        this.hazardous = hazardous;
+    }
+
+    /**
+     * The income calculator specific to tank train
+     * @return The income of that train
+     */
+    @Override
+    double calculateIncome() {
+        return (hazardous) ? litres*17 : litres*9.5;
+    }
+}