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 trial

Java Java Objects Harnessing the Power of Objects Overload Methods

how should i update the method drive i took int laps as a arguments and lapsDriven value is assigned by += laps

i updated drive method passed the argument laps of int type and lapsDriven += laps its showing please help.

GoKart.java
class GoKart {
  public static final int MAX_BARS = 8;
  private String color;
  private int barCount;
  private int lapsDriven = 0;

  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;
  }

  public void drive(int laps) {
    lapsDriven -= laps;
  }
}

2 Answers

I don't understand your question but you said you were using

lapsDriven += laps;

But instead you're using:

 lapsDriven -= laps;

It seems like you misspelled it, could that be the problem. If not could you explain your question a little bit more lol.