Welcome to the Treehouse Community
Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.
Looking to learn something new?
Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.
Start your free trialShjoneman Tan
678 PointsNot sure
not sure how to do the decrement. pls help
class GoKart {
public static final int MAX_BARS = 8;
private String color;
private int barCount;
public GoKart(String color) {
this.color = color;
}
public String getColor() {
return color;
}
public void charge() {
barCount = MAX_BARS;
}
public boolean isBatteryEmpty() {
return barCount == 0;
}
public boolean isFullyCharged() {
return MAX_BARS == barCount;
}
private int lapsDriven;
public void drive (){
lapsDriven++;
return barCount == lapsDriven;
}
}
1 Answer
Samuel Ferree
31,722 PointsUsing the -- operator in your drive method. You also don't need to return anything
public void drive () {
lapsDriven++;
barCount--;
}