FilesExpand file tree

 master

/

DecimalToAnyBase.java

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

61 lines (49 loc) · 1.75 KB

 master

/

DecimalToAnyBase.java

Top

File metadata and controls

• Code
• Blame

61 lines (49 loc) · 1.75 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

56

57

58

59

60

61

package Conversions;

import java.io.BufferedReader;

import java.io.InputStreamReader;

import java.util.ArrayList;

/** @author Varun Upadhyay (https://github.com/varunu28) */

// Driver Program

public class DecimalToAnyBase {

public static void main(String[] args) throws Exception {

BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

System.out.println("Enter the decimal input below: ");

int decInput = Integer.parseInt(br.readLine());

System.out.println();

System.out.println("Enter the base below: ");

int base = Integer.parseInt(br.readLine());

System.out.println();

System.out.println("Decimal Input" + " is: " + decInput);

System.out.println(

"Value of " + decInput + " in base " + base + " is: " + convertToAnyBase(decInput, base));

br.close();

}

/**

* This method produces a String value of any given input decimal in any base

*

* @param inp Decimal of which we need the value in base in String format

* @return string format of the converted value in the given base

*/

public static String convertToAnyBase(int inp, int base) {

ArrayList<Character> charArr = new ArrayList<>();

while (inp > 0) {

charArr.add(reVal(inp % base));

inp /= base;

}

StringBuilder str = new StringBuilder(charArr.size());

for (Character ch : charArr) {

str.append(ch);

}

return str.reverse().toString();

}

/**

* This method produces character value of the input integer and returns it

*

* @param num integer of which we need the character value of

* @return character value of input integer

*/

public static char reVal(int num) {

if (num >= 0 && num <= 9) return (char) (num + '0');

else return (char) (num - 10 + 'A');

}

}