/** This is class Printer.
 ** It prints different things
 ** @author Claudia Niederee
 ** @version 1
 */


public class Printer2

{
  private  String name = "HP-Printer"; 

 
 /** This method sets the name of the printer 
  ** @param newName new name of the printer
  ** @see Printer2
  */
  public void setName(String newName){
    name = newName;
  }


 /** This method returns the name of the printer.
  ** @return name of the printer
  */
  public String getName (){
    return name;
  }

  /** This method prints the name of the printer.
   */
  public void printName(){
    System.out.println(name);
  }

 /** This method prints the difference between two numbers
 ** @param a first number 
 ** @param b second number
 */
  public void printDifference(int a, int b){
    System.out.println(a + " - " + b + " = " + (a-b));
  }

 public static void main (String [] args){
    // Object creation 
    Printer2 p = new Printer2();
    p.printName();
    p.printDifference(4, 3);

    //Passing a parameter into the program
    // p.setName(args[0]);
    // p.printName();}
  }
}