JavaIntro5.java

public class JavaIntro5 {
  public static void main(String args[]) {
    motor m1 = new motor(0);              //new is used to create an instance of the class called an object
    motor m2 = new motor(1);

    System.out.println("m1 channel: " + m1.getChannel());
    System.out.println("m2 channel: " + m2.getChannel());

    m1.setSpeed(1);
    m2.setSpeed(-1);

    System.out.println("m1 speed: " + m1.getSpeed());
    System.out.println("m2 speed: " + m2.getSpeed());
  }
}

//Simple motor class
class motor{
  //classes can have fields that store data
  int channel;                //which port is the motor connected too
  double speed = 0;           //how fast should the motor be going -1 to 1

  motor(int c){               //This is the constructor, it doesn't have a return type or void
      channel = c;            //channel doesn't get a value set until the consttuctor is run
  }

  int getChannel(){          //this is a "getter" method it returns a value
      return channel;
  }

  double getSpeed(){
      return speed;
  }

  void setSpeed(double s){    //this is a "setter" method it sets a value
      speed = s;
  }
  //a complete motor class would have methods that actually control the motor
  //most of those methods are already created for us in FRC
}