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Java Java Objects Harnessing the Power of Objects Throwing Exceptions

Bolatito Seriki
Bolatito Seriki
1,170 Points

Add logic to the drive method so that it throws an IllegalArgumentException if there aren't enough bars to support the l

i keep getting an error. anyone have the answer to this?

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("Not enough energy in bars!"); 
  }
lapsDriven += laps;
    barCount -= laps;
  }

2 Answers

Jonathan Grieve
MOD
Jonathan Grieve
Treehouse Moderator 91,253 Points

It looks like you've got the code right but you have spacing errors in your code. Try using 4 spaces for indentation in your code and lining up the last 2 lines so they match the condition statement.

If you're not familiar with the formatting guidelines for Python code you can read up on them in the documentation. :-)

Correctly indent your public void drive(int laps) method