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Java Java Objects (Retired) Harnessing the Power of Objects Helper Methods

Ahkeem Lang
Ahkeem Lang
16,358 Points
Posted by Ahkeem Lang
Ahkeem Lang
16,358 Points

Creating a helper method

I'm currently on the second part of the challenge task and I'm being asked to create a helper method called isFullyCharged. I created it but I'm not sure where I'm suppose to go from here... Help please?!

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

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

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

  public boolean isFullyCharged(isBatteryEmpty()) {
    return mBarsCount;
  }

  public String getColor() {
    return mColor;
  }

  public void charge() {
    mBarsCount = MAX_BARS;
  }
}

3 Answers

markmneimneh
markmneimneh
14,132 Points
markmneimneh
markmneimneh
14,132 Points

Hello

your isFullyCharge helper is incorrect

public boolean isFullyCharged(isBatteryEmpty()) { return mBarsCount; }

The method should return a boolean, but you are returning int instead.

I suspect you want to do:

public boolean isFullyCharged(isBatteryEmpty()) { charge(); return true; }

Basically, you want to charge the battery ans then return a true as in: yep, the battery is now full charged.

Hope this helps. if this answers your question, please mark the question as answered

Thanks

Ahkeem Lang
Ahkeem Lang
16,358 Points
Ahkeem Lang
Ahkeem Lang
16,358 Points

Hey there! I tried out your solution but when I give it a shot I end up with multiple syntax errors.

The answer was, public boolean isFullyCharged() { return mBarsCount == 8; }

But thanks!

markmneimneh
markmneimneh
14,132 Points
markmneimneh
markmneimneh
14,132 Points

Hi

I am not taking this course per se; I just noticed the the fact the originally you were returning an int when a boolean is expected. your fix is correct, you are now returning a boolean.

Thanks

Ahkeem Lang
Ahkeem Lang
16,358 Points
Ahkeem Lang
Ahkeem Lang
16,358 Points

Ah for sure! Thank you :D