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 (Retired) Harnessing the Power of Objects Helper Methods

Robbie Thomas
Robbie Thomas
31,093 Points
Posted by Robbie Thomas
Robbie Thomas
31,093 Points

Helper Methods part 2

Not exactly sure what to do here:

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 String getColor() {
    return mColor;
  }

  public void charge() {
    mBarsCount = MAX_BARS;
  }

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

  public boolean isFullyCharged() {
     while (!isFullyCharged()) {
    }

  }
}

1 Answer

Kourosh Raeen
Kourosh Raeen
23,733 Points
Kourosh Raeen
Kourosh Raeen
23,733 Points

You don't need a loop. Use an if-else statement to compare mBarsCount with MAX_BARS and return true or false accordingly, or use a shorter variant similar to what you did in the isBatteryEmpty() method.

Jeremy Hill
Jeremy Hill
29,567 Points

Yeah I like to use syntax that is easy for people to understand. Thank you. I erased my comment- I like your approach better: it gives them an opportunity to figure it out and learn better.

Kourosh Raeen
Kourosh Raeen
23,733 Points
Kourosh Raeen
Kourosh Raeen
23,733 Points

No worries Jeremy! I agree with you - the if-else syntax is easier to understand.