Add a method that takes two arguments : Class Method : Class Interface C# Source Code

    

/*
C#: The Complete Reference 
by Herbert Schildt 

Publisher: Osborne/McGraw-Hill (March 8, 2002)
ISBN: 0072134852
*/
// Add a method that takes two arguments. 
 
using System; 
 
class ChkNum {  
  // Return true if x is prime. 
  public bool isPrime(int x) { 
    for(int i=2; i < x/2 + 1; i++) 
      if((x %i) == 0) return false; 
 
    return true; 
  } 
 
  // Return the least common denominator. 
  public int lcd(int a, int b) { 
    int max; 
 
    if(isPrime(a) | isPrime(b)) return 1; 
 
    max = a < b ? a : b; 
 
    for(int i=2; i < max/2 + 1; i++) 
      if(((a%i) == 0) & ((b%i) == 0)) return i; 
 
    return 1; 
  } 
}  
  
public class ParmDemo1 {  
  public static void Main() {  
    ChkNum ob = new ChkNum(); 
    int a, b; 
 
    for(int i=1; i < 10; i++) 
      if(ob.isPrime(i)) Console.WriteLine(i + " is prime."); 
      else Console.WriteLine(i + " is not prime."); 
 
    a = 7; 
    b = 8; 
    Console.WriteLine("Least common denominator for " + 
                      a + " and " + b + " is " + 
                      ob.lcd(a, b)); 
 
    a = 100; 
    b = 8; 
    Console.WriteLine("Least common denominator for " + 
                      a + " and " + b + " is " + 
                      ob.lcd(a, b)); 
 
    a = 100; 
    b = 75; 
    Console.WriteLine("Least common denominator for " + 
                      a + " and " + b + " is " + 
                      ob.lcd(a, b)); 
 
  }  
}