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package Conversions;

import java.util.Scanner;

public class HexaDecimalToDecimal {

// convert hexadecimal to decimal

public static int getHexaToDec(String hex) {

String digits = "0123456789ABCDEF";

hex = hex.toUpperCase();

int val = 0;

for (int i = 0; i < hex.length(); i++) {

int d = digits.indexOf(hex.charAt(i));

val = 16 * val + d;

}

return val;

}

// Main method gets the hexadecimal input from user and converts it into Decimal output.

public static void main(String args[]) {

String hexa_Input;

int dec_output;

Scanner scan = new Scanner(System.in);

System.out.print("Enter Hexadecimal Number : ");

hexa_Input = scan.nextLine();

// convert hexadecimal to decimal

dec_output = getHexaToDec(hexa_Input);

Pass the string to the getHexaToDec function

and it returns the decimal form in the variable dec_output.

System.out.println("Number in Decimal: " + dec_output);

}