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Java Java Objects (Retired) Harnessing the Power of Objects Method Signatures

Posted by Ramy Obeid
Ramy Obeid
2,373 Points

it says the error :when calling your method the mBarsCount did not decrement by 1 as excepted

i even added a new class private int mLapsCount i just cant figure it out it stress me a lot i cant wait to have something really difficult ! thx guys in advance

GoKart.java 
public class GoKart {
  public static final int MAX_BARS = 8;
  private String mColor;
  private int mBarsCount; 
  private int mLapsCount;

  public GoKart(String color) {
    mColor = color;
    mBarsCount = 0;
  }

  public String getColor() {
    return mColor;
  }

  public void drive(int laps) {
    // Other driving code omitted for clarity purposes
    mBarsCount -= laps;
  }
  public void drive () {
    mLapsCount += 1 ;
  }

  public void charge() {
    while (!isFullyCharged()) {
      mBarsCount++;
    }
  }

  public boolean isBatteryEmpty() {
    return mBarsCount == 0;
  }

  public boolean isFullyCharged() {
    return mBarsCount == MAX_BARS;
  }

}

2 Answers

Rebecca Rich
PLUS
Rebecca Rich
Courses Plus Student 8,592 Points
Rebecca Rich
Rebecca Rich
Courses Plus Student 8,592 Points

So the drive method should decrement, or decrease the value of mBarsCount by 1. So something like:

public void drive () {
    mLapsCount -= 1 ;
}

Or to tie the code into the drive method that already exists:

public void drive(int laps) {
    // Other driving code omitted for clarity purposes
    mBarsCount -= laps;
}

public void drive() {
    drive(1);
}
Ramy Obeid
Ramy Obeid
2,373 Points
Ramy Obeid
Ramy Obeid
2,373 Points

the first answer it says the same thing : the drive method should decrement the value of mBarsCount by 1 and the second answer it said: i should call the existing drive method and pass in the default parameter of 1, otherwise i have to rewrite all that (omitted) code thx for your support Rebecca and for answering fast i appreciate thx again :D