//  BinaryWithWrappedInt.java  (c) 2005 Kari Laitinen

//  http://www.naturalprogramming.com

//  2005-05-16  File created.
//  2005-05-16  Last modification.

//  This program produces the same output as program Binary.java.
//  In addition, this program contains statements that test
//  some of the bitwise methods of class Integer.

class BinaryWithWrappedInt
{
   //  print_in_binary_form() is the same as in Binary.java.
   //  Automatic unboxing takes place when it is called with
   //  a parameter of type Integer.

   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 )
   {
      //  The following statement wraps an int value inside an
      //  Integer object.

      Integer  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  =  Integer.rotateLeft( test_number,  2 )  ;  // Modified
      print_in_binary_form( test_number ) ;

      System.out.print( "\n Back to original form:       " ) ;
      test_number  =  Integer.rotateRight( test_number,  2  ) ; // Modified
      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 Integer.rotateRight( ... ):  " ) ; // Modified
      test_number  =  Integer.rotateRight( test_number, 2 ) ;
      print_in_binary_form( test_number ) ;

      //  The following lines are additions to the original Binary.java

      System.out.print( "\n\n Integer.reverse( ... ):      " ) ;
      test_number  =  Integer.reverse( test_number ) ;
      print_in_binary_form( test_number ) ;

      System.out.print( "\n Integer.reverseBytes( ... ): " ) ;
      test_number  =  Integer.reverseBytes( test_number ) ;
      print_in_binary_form( test_number ) ;

      System.out.print( "\n Integer.bitCount( ... ) :              " 
                     +  Integer.bitCount( test_number ) ) ;
      System.out.print( "\n Integer.highestOneBit( ... ) :         " 
                     +  Integer.highestOneBit( test_number ) ) ;
      System.out.print( "\n Integer.lowestOneBit( ... ) :          " 
                     +  Integer.lowestOneBit( test_number ) ) ;
      System.out.print( "\n Integer.numberOfLeadingZeros( ... ) :  " 
                     +  Integer.numberOfLeadingZeros( test_number ) ) ;
      System.out.print( "\n Integer.numberOfTrailingZeros( ... ) : " 
                     +  Integer.numberOfTrailingZeros( test_number ) ) ;

   }
}