public class MyProgram
{
   public static double min ( double a, double b )
   {
      double m = 0;

      if ( a < b )
      {
         m = a;    // a is the smaller value          
      }
      else
      {
         m = b;    // b is the smaller value
      }

      return(m);   // Output of the method
   }

   public static void main(String[] args)      
   {
      double r;

      r = min( 1.0,  4.0 );
      System.out.println(r);

      r = min( 3.7,  -2.9 );
      System.out.println(r);

      r = min( -9.9,  3.8 );
      System.out.println(r);
   }
}