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Start your free trialKim Gee
3,841 PointsThrowing Exceptions - code not working
public class GoKart { public static final int MAX_BARS = 8; private String mColor; private int mBarsCount;
public void drive() { drive(1); }
public void drive(int laps) { int newAmount = mBarsCount + laps; if (newAmount < 1) { throw new IllegalArgumentException("Not enough battery remains."); } mBarsCount -= laps; }
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(1);
}
public void drive(int laps) {
int newAmount = mBarsCount + laps;
if (newAmount < 1) {
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;
}
}
1 Answer
Alistair Mackay
7,812 PointsYou technically don't need this line:
int newAmount = mBarsCount + laps;
Also, you need to make sure your if statement checks that mBarsCount is less than laps variable.
Answered a similar question here: https://teamtreehouse.com/community/exceptions-getting-an-error
Brendon Butler
4,254 PointsBrendon Butler
4,254 PointsCan you post the stacktrace (exceptions being thrown in the console)?