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Java Java Objects Harnessing the Power of Objects Throwing Exceptions

John Deininger
John Deininger
1,094 Points

not really sure what I'm doing wrong

I'm just not sure what I'm doing wrong.

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

  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() {
    drive(1);
  }

  public void drive(int laps) {
    if (laps > barCount) {
      throw new IllegalArgumentException("Too many bars");
    }
    lapsDriven + laps;
    barCount -= laps;

  }
}

1 Answer

Look closely at your increment operator for lapsDriven. there appears to be a typo. Also, consider using the else{} codeblock for the increment decrement portion of code.

Good luck!