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shaunsmith
12,145 PointsThrow exception laps
If wants me to check if laps is less than zero and I think I'm doing that but I keep getting an error
public class GoKart {
public static final int MAX_BARS = 8;
private String mColor;
private int mBarsCount;
public GoKart(String color) {
mColor = color;
mBarsCount = 0;
}
public String getColor() {
return mColor;
}
public void drive() {
drive(0);
}
public void drive(int laps) {
// Other driving code omitted for clarity purposes
if (laps < 0){
throw new IllegalArgumentException("Not enough battery remains");
}
mBarsCount -= laps;
}
public void charge() {
while (!isFullyCharged()) {
mBarsCount++;
}
}
public boolean isBatteryEmpty() {
return mBarsCount == 0;
}
public boolean isFullyCharged() {
return mBarsCount == MAX_BARS;
}
}
2 Answers
jcorum
71,830 PointsShaun, your condition is not quite right. Try this instead:
public void drive(int laps) {
// Other driving code omitted for clarity purposes
if (mBarsCount - laps < 0) {
throw new IllegalArgumentException();
} else {
mBarsCount -= laps;
}
}
Instead of asking if laps is less than 0 you want to ask if mBarsCount minus laps is less than zero.
shaunsmith
12,145 PointsThank you