Which of the following is a proper Jeroo method?

public void turnAndPlant()
{
    this.turn(LEFT);
    this.plant();
}

• public void Method()
  {
      this.turn(LEFT);
      this.plant();
  }

• public void turnAndPlant
  {
      turn(LEFT);
      plant();
  }

• turnAndPlant()
  {
      this.turn(LEFT);
      this.plant();
  }