added all car files

src/main/java/org/frc8033/assessment/car/Car.java

@@ -0,0 +1,6 @@
+package org.frc8033.assessment.car;
+
+public interface Car {
+    public double getRangeMi();
+    public void drive(double distance);
+}

src/main/java/org/frc8033/assessment/car/GasCar.java

@@ -0,0 +1,43 @@
+package org.frc8033.assessment.car;
+
+public class GasCar implements Car {
+    private double tankSize;
+    private double gasMilage;
+    private double gasInTank;
+
+    public GasCar(double tankSize, double gasMilage) {
+        this.tankSize = tankSize;
+        this.gasMilage = gasMilage;
+        this.gasInTank = tankSize;
+    }
+
+    public double getRangeMi() {
+        return gasInTank*gasMilage;
+    }
+
+    public void drive(double miles) {
+        double maxRange = getRangeMi();
+        if (miles >= maxRange) {
+            gasInTank = 0;
+        } else {
+            gasInTank -= (miles / gasMilage);
+        }
+    }
+
+    public void fillTank() {
+        this.gasInTank = tankSize; 
+    }
+
+    public double getTankSize() {
+        return this.tankSize;
+    }
+
+    public double getGasMileage() {
+        return this.gasMilage;
+    }
+
+    public double getGasInTank() {
+        return this.gasInTank;
+    }
+
+}

src/main/java/org/frc8033/assessment/car/HondaAccord.java

@@ -0,0 +1,13 @@
+package org.frc8033.assessment.car;
+
+public class HondaAccord extends GasCar {
+    public HondaAccord() {
+        super(15, 32);
+    }
+    public HondaAccord(double tankSize, double gasMilage) {
+        super(tankSize, gasMilage);
+    }
+    public boolean isStock() {
+        return (getTankSize() == 15 && getGasMileage() == 32);
+    }
+}