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) Meet Objects Constructors

Posted by WANG CHIEN-AN
.a{fill-rule:evenodd;}techdegree
WANG CHIEN-AN
Android Development Techdegree Student 1,159 Points

why we add an m as prefix in our variable name.

why we add an m as prefix in our variable name.

Like that String mColor

1 Answer

Carlos Federico Puebla Larregle
Carlos Federico Puebla Larregle
21,074 Points
Carlos Federico Puebla Larregle
Carlos Federico Puebla Larregle
21,074 Points

It is a naming convention, it is the one that Google Android follows and it is good practice so you can differentiate member variables from parameter variables in your constructors and in other methods:

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

I hope that helps a little bit.