Swap two nibbles in a byte

Here given code implementation process.

// C program 
// Swap two nibbles in a byte
#include <stdio.h>

void swapNibbles(int num)
{
    // (  num & 15 ) Get initial 4 bit set bits in number
    // (( num & 15) << 4) this is moving initial 4 bits in left side [A]
    // (( num & 240)) Get next 4 bit set bits in number
    // (( num & 240) >> 4 ) moving next 4 bits in right side [B]
    // A or B return swap version of 4 bits
    int result = ((num & 15) << 4) | ((num & 240) >> 4 ); 

    printf("\n Number : %d",num);
    printf("\n Result : %d",result);
}
int main(int argc, char const *argv[])
{
    
    // (175)   10101111
    // 4 (bit) 1010 1111
    //            ↘ ↙
    //         1111 1010
    // Result  (11111010) (250)
    swapNibbles(175);
    // (225)   11100001
    // 4 (bit) 1110 0001
    //            ↘ ↙
    //         0001 1110
    // Result  (00011110) (30)
    swapNibbles(225);
    // (2)     00000010
    // 4 (bit) 0000 0010
    //            ↘ ↙
    //         0010 0000
    // Result  (00100000) (32)
    swapNibbles(2);

    return 0;
}

Output

 Number : 175
 Result : 250
 Number : 225
 Result : 30
 Number : 2
 Result : 32
/*
  Java program
  Swap two nibbles in a byte 
*/
public class BitSwap
{
	// Interchange 4 bits of a number
	public void swapNibbles(int num)
	{
		// (  num & 15 ) Get initial 4 bit set bits in number
		// (( num & 15) << 4) this is moving initial 4 bits in left side [A]
		// (( num & 240)) Get next 4 bit set bits in number
		// (( num & 240) >> 4 ) moving next 4 bits in right side [B]
		// A or B return swap version of 4 bits
		int result = ((num & 15) << 4) | ((num & 240) >> 4);
		System.out.print("\n Number : " + num);
		System.out.print("\n Result : " + result);
	}
	public static void main(String[] args)
	{
		BitSwap task = new BitSwap();
		// (175)   10101111
		// 4 (bit) 1010 1111
		//            ↘ ↙
		//         1111 1010
		// Result  (11111010) (250)
		task.swapNibbles(175);
		// (225)   11100001
		// 4 (bit) 1110 0001
		//            ↘ ↙
		//         0001 1110
		// Result  (00011110) (30)
		task.swapNibbles(225);
		// (2)     00000010
		// 4 (bit) 0000 0010
		//            ↘ ↙
		//         0010 0000
		// Result  (00100000) (32)
		task.swapNibbles(2);
	}
}

Output

 Number : 175
 Result : 250
 Number : 225
 Result : 30
 Number : 2
 Result : 32
// Include header file
#include <iostream>
using namespace std;
/*
  C++ program
  Swap two nibbles in a byte 
*/
class BitSwap
{
	public:
		// Interchange 4 bits of a number
		void swapNibbles(int num)
		{
			// (  num &15 ) Get initial 4 bit set bits in number
			// (( num &15) << 4) this is moving initial 4 bits in left side [A]
			// (( num &240)) Get next 4 bit set bits in number
			// (( num &240) >> 4 ) moving next 4 bits in right side [B]
			// A or B return swap version of 4 bits
			int result = ((num &15) << 4) | ((num &240) >> 4);
			cout << "\n Number : " << num;
			cout << "\n Result : " << result;
		}
};
int main()
{
	BitSwap task = BitSwap();
	// (175)   10101111
	// 4 (bit) 1010 1111
	//            ↘ ↙
	//         1111 1010
	// Result  (11111010) (250)
	task.swapNibbles(175);
	// (225)   11100001
	// 4 (bit) 1110 0001
	//            ↘ ↙
	//         0001 1110
	// Result  (00011110) (30)
	task.swapNibbles(225);
	// (2)     00000010
	// 4 (bit) 0000 0010
	//            ↘ ↙
	//         0010 0000
	// Result  (00100000) (32)
	task.swapNibbles(2);
	return 0;
}

Output

 Number : 175
 Result : 250
 Number : 225
 Result : 30
 Number : 2
 Result : 32
// Include namespace system
using System;
/*
  C# program
  Swap two nibbles in a byte 
*/
public class BitSwap
{
	// Interchange 4 bits of a number
	public void swapNibbles(int num)
	{
		// (  num & 15 ) Get initial 4 bit set bits in number
		// (( num & 15) << 4) this is moving initial 4 bits in left side [A]
		// (( num & 240)) Get next 4 bit set bits in number
		// (( num & 240) >> 4 ) moving next 4 bits in right side [B]
		// A or B return swap version of 4 bits
		int result = ((num & 15) << 4) | ((num & 240) >> 4);
		Console.Write("\n Number : " + num);
		Console.Write("\n Result : " + result);
	}
	public static void Main(String[] args)
	{
		BitSwap task = new BitSwap();
		// (175)   10101111
		// 4 (bit) 1010 1111
		//            ↘ ↙
		//         1111 1010
		// Result  (11111010) (250)
		task.swapNibbles(175);
		// (225)   11100001
		// 4 (bit) 1110 0001
		//            ↘ ↙
		//         0001 1110
		// Result  (00011110) (30)
		task.swapNibbles(225);
		// (2)     00000010
		// 4 (bit) 0000 0010
		//            ↘ ↙
		//         0010 0000
		// Result  (00100000) (32)
		task.swapNibbles(2);
	}
}

Output

 Number : 175
 Result : 250
 Number : 225
 Result : 30
 Number : 2
 Result : 32
<?php
/*
  Php program
  Swap two nibbles in a byte 
*/
class BitSwap
{
	// Interchange 4 bits of a number
	public	function swapNibbles($num)
	{
		// (  num & 15 ) Get initial 4 bit set bits in number
		// (( num & 15) << 4) this is moving initial 4 bits in left side [A]
		// (( num & 240)) Get next 4 bit set bits in number
		// (( num & 240) >> 4 ) moving next 4 bits in right side [B]
		// A or B return swap version of 4 bits
		$result = (($num & 15) << 4) | (($num & 240) >> 4);
		echo "\n Number : ". $num;
		echo "\n Result : ". $result;
	}
}

function main()
{
	$task = new BitSwap();
	// (175)   10101111
	// 4 (bit) 1010 1111
	//            ↘ ↙
	//         1111 1010
	// Result  (11111010) (250)
	$task->swapNibbles(175);
	// (225)   11100001
	// 4 (bit) 1110 0001
	//            ↘ ↙
	//         0001 1110
	// Result  (00011110) (30)
	$task->swapNibbles(225);
	// (2)     00000010
	// 4 (bit) 0000 0010
	//            ↘ ↙
	//         0010 0000
	// Result  (00100000) (32)
	$task->swapNibbles(2);
}
main();

Output

 Number : 175
 Result : 250
 Number : 225
 Result : 30
 Number : 2
 Result : 32
/*
  Node Js program
  Swap two nibbles in a byte 
*/
class BitSwap
{
	// Interchange 4 bits of a number
	swapNibbles(num)
	{
		// (  num & 15 ) Get initial 4 bit set bits in number
		// (( num & 15) << 4) this is moving initial 4 bits in left side [A]
		// (( num & 240)) Get next 4 bit set bits in number
		// (( num & 240) >> 4 ) moving next 4 bits in right side [B]
		// A or B return swap version of 4 bits
		var result = ((num & 15) << 4) | ((num & 240) >> 4);
		process.stdout.write("\n Number : " + num);
		process.stdout.write("\n Result : " + result);
	}
}

function main()
{
	var task = new BitSwap();
	// (175)   10101111
	// 4 (bit) 1010 1111
	//            ↘ ↙
	//         1111 1010
	// Result  (11111010) (250)
	task.swapNibbles(175);
	// (225)   11100001
	// 4 (bit) 1110 0001
	//            ↘ ↙
	//         0001 1110
	// Result  (00011110) (30)
	task.swapNibbles(225);
	// (2)     00000010
	// 4 (bit) 0000 0010
	//            ↘ ↙
	//         0010 0000
	// Result  (00100000) (32)
	task.swapNibbles(2);
}
main();

Output

 Number : 175
 Result : 250
 Number : 225
 Result : 30
 Number : 2
 Result : 32
#   Python 3 program
#   Swap two nibbles in a byte 

class BitSwap :
	#  Interchange 4 bits of a number
	def swapNibbles(self, num) :
		#  (  num & 15 ) Get initial 4 bit set bits in number
		#  (( num & 15) << 4) this is moving initial 4 bits in left side [A]
		#  (( num & 240)) Get next 4 bit set bits in number
		#  (( num & 240) >> 4 ) moving next 4 bits in right side [B]
		#  A or B return swap version of 4 bits
		result = ((num & 15) << 4) | ((num & 240) >> 4)
		print("\n Number : ", num, end = "")
		print("\n Result : ", result, end = "")
	

def main() :
	task = BitSwap()
	#  (175)   10101111
	#  4 (bit) 1010 1111
	#             ↘ ↙
	#          1111 1010
	#  Result  (11111010) (250)
	task.swapNibbles(175)
	#  (225)   11100001
	#  4 (bit) 1110 0001
	#             ↘ ↙
	#          0001 1110
	#  Result  (00011110) (30)
	task.swapNibbles(225)
	#  (2)     00000010
	#  4 (bit) 0000 0010
	#             ↘ ↙
	#          0010 0000
	#  Result  (00100000) (32)
	task.swapNibbles(2)

if __name__ == "__main__": main()

Output

 Number :  175
 Result :  250
 Number :  225
 Result :  30
 Number :  2
 Result :  32
#   Ruby program
#   Swap two nibbles in a byte 

class BitSwap 
	#  Interchange 4 bits of a number
	def swapNibbles(num) 
		#  (  num & 15 ) Get initial 4 bit set bits in number
		#  (( num & 15) << 4) this is moving initial 4 bits in left side [A]
		#  (( num & 240)) Get next 4 bit set bits in number
		#  (( num & 240) >> 4 ) moving next 4 bits in right side [B]
		#  A or B return swap version of 4 bits
		result = ((num & 15) << 4) | ((num & 240) >> 4)
		print("\n Number : ", num)
		print("\n Result : ", result)
	end

end

def main() 
	task = BitSwap.new()
	#  (175)   10101111
	#  4 (bit) 1010 1111
	#             ↘ ↙
	#          1111 1010
	#  Result  (11111010) (250)
	task.swapNibbles(175)
	#  (225)   11100001
	#  4 (bit) 1110 0001
	#             ↘ ↙
	#          0001 1110
	#  Result  (00011110) (30)
	task.swapNibbles(225)
	#  (2)     00000010
	#  4 (bit) 0000 0010
	#             ↘ ↙
	#          0010 0000
	#  Result  (00100000) (32)
	task.swapNibbles(2)
end

main()

Output

 Number : 175
 Result : 250
 Number : 225
 Result : 30
 Number : 2
 Result : 32
/*
  Scala program
  Swap two nibbles in a byte 
*/
class BitSwap
{
	// Interchange 4 bits of a number
	def swapNibbles(num: Int): Unit = {
		// (  num & 15 ) Get initial 4 bit set bits in number
		// (( num & 15) << 4) this is moving initial 4 bits in left side [A]
		// (( num & 240)) Get next 4 bit set bits in number
		// (( num & 240) >> 4 ) moving next 4 bits in right side [B]
		// A or B return swap version of 4 bits
		var result: Int = ((num & 15) << 4) | ((num & 240) >> 4);
		print("\n Number : " + num);
		print("\n Result : " + result);
	}
}
object Main
{
	def main(args: Array[String]): Unit = {
		var task: BitSwap = new BitSwap();
		// (175)   10101111
		// 4 (bit) 1010 1111
		//            ↘ ↙
		//         1111 1010
		// Result  (11111010) (250)
		task.swapNibbles(175);
		// (225)   11100001
		// 4 (bit) 1110 0001
		//            ↘ ↙
		//         0001 1110
		// Result  (00011110) (30)
		task.swapNibbles(225);
		// (2)     00000010
		// 4 (bit) 0000 0010
		//            ↘ ↙
		//         0010 0000
		// Result  (00100000) (32)
		task.swapNibbles(2);
	}
}

Output

 Number : 175
 Result : 250
 Number : 225
 Result : 30
 Number : 2
 Result : 32
/*
  Swift 4 program
  Swap two nibbles in a byte 
*/
class BitSwap
{
	// Interchange 4 bits of a number
	func swapNibbles(_ num: Int)
	{
		// (  num & 15 ) Get initial 4 bit set bits in number
		// (( num & 15) << 4) this is moving initial 4 bits in left side [A]
		// (( num & 240)) Get next 4 bit set bits in number
		// (( num & 240) >> 4 ) moving next 4 bits in right side [B]
		// A or B return swap version of 4 bits
		let result: Int = ((num & 15) << 4) | ((num & 240) >> 4);
		print("\n Number : ", num, terminator: "");
		print("\n Result : ", result, terminator: "");
	}
}
func main()
{
	let task: BitSwap = BitSwap();
	// (175)   10101111
	// 4 (bit) 1010 1111
	//            ↘ ↙
	//         1111 1010
	// Result  (11111010) (250)
	task.swapNibbles(175);
	// (225)   11100001
	// 4 (bit) 1110 0001
	//            ↘ ↙
	//         0001 1110
	// Result  (00011110) (30)
	task.swapNibbles(225);
	// (2)     00000010
	// 4 (bit) 0000 0010
	//            ↘ ↙
	//         0010 0000
	// Result  (00100000) (32)
	task.swapNibbles(2);
}
main();

Output

 Number :  175
 Result :  250
 Number :  225
 Result :  30
 Number :  2
 Result :  32
/*
  Kotlin program
  Swap two nibbles in a byte 
*/
class BitSwap
{
	// Interchange 4 bits of a number
	fun swapNibbles(num: Int): Unit
	{
		// (  num & 15 ) Get initial 4 bit set bits in number
		// (( num & 15) << 4) this is moving initial 4 bits in left side [A]
		// (( num & 240)) Get next 4 bit set bits in number
		// (( num & 240) >> 4 ) moving next 4 bits in right side [B]
		// A or B return swap version of 4 bits
		var result: Int = ((num and 15) shl 4) or((num and 240) shr 4);
		print("\n Number : " + num);
		print("\n Result : " + result);
	}
}
fun main(args: Array < String > ): Unit
{
	var task: BitSwap = BitSwap();
	// (175)   10101111
	// 4 (bit) 1010 1111
	//            ↘ ↙
	//         1111 1010
	// Result  (11111010) (250)
	task.swapNibbles(175);
	// (225)   11100001
	// 4 (bit) 1110 0001
	//            ↘ ↙
	//         0001 1110
	// Result  (00011110) (30)
	task.swapNibbles(225);
	// (2)     00000010
	// 4 (bit) 0000 0010
	//            ↘ ↙
	//         0010 0000
	// Result  (00100000) (32)
	task.swapNibbles(2);
}

Output

 Number :  175
 Result :  250
 Number :  225
 Result :  30
 Number :  2
 Result :  32


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