//  Binary.java  (c) 2005 Kari Laitinen

//  http://www.naturalprogramming.com

//  2002-01-15  File created.
//  2005-05-12  Last modification.


class Binary
{
   static void print_in_binary_form( int  given_integer )
   {
      int  bit_mask   =  0x80000000 ;
      int  one_bit_in_given_integer ;

      for ( int bit_counter  =  0  ;
                bit_counter  <  32 ;
                bit_counter  ++ )
      {
         one_bit_in_given_integer  = given_integer & bit_mask ;

         if ( one_bit_in_given_integer  ==  0 )
         {
            System.out.print( "0" ) ;
         }
         else
         {
            System.out.print( "1" ) ;
         }

         bit_mask  =  bit_mask  >>>  1 ;
      }
   }

   public static void main( String[] not_in_use )
   {
      int  test_number  =  0x9A9A ;

      System.out.print( "\n Original test number:        " ) ;
      print_in_binary_form( test_number ) ;

      System.out.print( "\n Twice left-shifted form:     " ) ;
      test_number  =  test_number  <<  2  ;  
      print_in_binary_form( test_number ) ;

      System.out.print( "\n Back to original form:       " ) ;
      test_number  =  test_number  >>  2  ;
      print_in_binary_form( test_number ) ;

      System.out.print( "\n Last four bits zeroed:       " ) ;
      test_number  =  test_number  &  0xFFF0 ;
      print_in_binary_form( test_number ) ;

      System.out.print( "\n Last four bits to one:       " ) ;
      test_number  =  test_number  |  0x000F ;
      print_in_binary_form( test_number ) ;

      System.out.print( "\n A complemented form:         " ) ;
      test_number  =  ~test_number ;
      print_in_binary_form( test_number ) ;

      System.out.print( "\n Exclusive OR with 0xF0F0:    " ) ;
      test_number  =  test_number ^ 0xF0F0 ;
      print_in_binary_form( test_number ) ;

      System.out.print( "\n Double right shift with >>:  " ) ;
      test_number  =  test_number >> 2 ;
      print_in_binary_form( test_number ) ;

      System.out.print( "\n Double right shift with >>>: " ) ;
      test_number  =  test_number >>> 2 ;
      print_in_binary_form( test_number ) ;
   }
}