FilesExpand file tree

 master

/

BinaryToHexadecimal.java

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

55 lines (51 loc) · 1.42 KB

 master

/

BinaryToHexadecimal.java

Copy path

Top

File metadata and controls

• Code
• Blame

55 lines (51 loc) · 1.42 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

package Conversions;

import java.util.*;

/**

* Converts any Binary Number to a Hexadecimal Number

*

* @author Nishita Aggarwal

*/

public class BinaryToHexadecimal {

/**

* This method converts a binary number to a hexadecimal number.

*

* @param binary The binary number

* @return The hexadecimal number

*/

static String binToHex(int binary) {

// hm to store hexadecimal codes for binary numbers within the range: 0000 to 1111 i.e. for

// decimal numbers 0 to 15

HashMap<Integer, String> hm = new HashMap<>();

// String to store hexadecimal code

String hex = "";

int i;

for (i = 0; i < 10; i++) {

hm.put(i, String.valueOf(i));

}

for (i = 10; i < 16; i++) hm.put(i, String.valueOf((char) ('A' + i - 10)));

int currbit;

while (binary != 0) {

int code4 = 0; // to store decimal equivalent of number formed by 4 decimal digits

for (i = 0; i < 4; i++) {

currbit = binary % 10;

binary = binary / 10;

code4 += currbit * Math.pow(2, i);

}

hex = hm.get(code4) + hex;

}

return hex;

}

/**

* Main method

*

* @param args Command line arguments

*/

public static void main(String[] args) {

Scanner sc = new Scanner(System.in);

System.out.println("Enter binary number:");

int binary = sc.nextInt();

String hex = binToHex(binary);

System.out.println("Hexadecimal Code:" + hex);

sc.close();

}

}