Passing Objects to a Method : Defining Method « Class Definition « Java Tutorial

1. Java Tutorial
2. Class Definition
3. Defining Method

class Sphere {
  double radius; // Radius of a sphere

  Sphere() {

  }

  // Class constructor
  Sphere(double theRadius) {
    radius = theRadius; // Set the radius

  }

}

public class MainClass {
  public static void main(String[] arg){
    Sphere sp = new Sphere();
    
    aMethod(sp);
  }

  
  private static void aMethod(Sphere sp){
    System.out.println(sp);
  }
}