iframe-proxy | Sunbelt Computer Software

61 lines (50 loc) · 1.67 KB

package Conversions;
import java.io.BufferedReader;
import java.io.InputStreamReader;
 * @author Varun Upadhyay (https://github.com/varunu28)
// Driver program
public class AnyBaseToDecimal {
    public static void main (String[] args) throws Exception{
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String inp = br.readLine();
        int base =  Integer.parseInt(br.readLine());
        System.out.println("Input in base " + base + " is: " + inp);
        System.out.println("Decimal value of " + inp + " is: " + convertToDecimal(inp, base));
        br.close();
     * This method produces a decimal value of any given input number of any base
     * @param inp_num String of which we need the decimal value and base in integer format
     * @return string format of the decimal value
    public static String convertToDecimal(String inp_num, int base) {
        int len = inp_num.length();
        int num = 0;
        int pow = 1;
        for (int i=len-1; i>=0; i--) {
            if (valOfChar(inp_num.charAt(i)) >= base) {
                return "Invalid Number";
            num += valOfChar(inp_num.charAt(i))*pow;
            pow *= base;
        return String.valueOf(num);
     * This method produces integer value of the input character and returns it
     * @param c Char of which we need the integer value of
     * @return integer value of input char
    public static int valOfChar(char c) {
        if (c >= '0' && c <= '9') {
            return (int)c - '0';
        else {
            return (int)c - 'A' + 10;

Sunbelt Computer Software

PL/B Language Development and Support

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

Uh oh!

Sunbelt Computer Software

PL/B Language Development and Support

Uh oh!

FilesExpand file tree

AnyBaseToDecimal.java

Latest commit

History

AnyBaseToDecimal.java

File metadata and controls