JavaAlgorithms/Conversions/HexaDecimalToDecimal.java
2018-05-19 16:20:35 +02:00

43 lines
1.1 KiB
Java

package Conversions;
import java.util.Scanner;
public class HexaDecimalToDecimal {
// convert hexadecimal to decimal
public static int getHexaToDec(String hex){
String digits = "012345678910ABCDEFF";
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);
}
}