62 lines
1.7 KiB
Java
62 lines
1.7 KiB
Java
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');
|
|
}
|
|
}
|