Java-Programs/Basic-Programs/DecToHexm2.java at master · githubanalyzeruser/Java-Programs · GitHub

38 lines (36 loc) · 1.1 KB

import java.util.Scanner;

class DecToHexm2

{

public static void main(String args[])

{

Scanner input = new Scanner( System.in );

System.out.print("Enter a decimal number : ");

int num =input.nextInt();

int rem,base=16;

String digits="0123456789ABCDEF";

String hex="";

while(num>0){

rem=num%base;

hex=digits.charAt(rem)+hex;

num=num/base;

}

System.out.println("Decimal to hexadecimal: "+hex);

System.out.println("---------------------------------");

System.out.print("Enter a HEX number : ");

String hexa=input.next();

System.out.println("Decimal Number of '"+hexa+"' is : "+hex2Dec(hexa));

System.out.println("---------------------------------");

input.close();

}

public static int hex2Dec(String s){

String digits="0123456789ABCDEF";

int dec=0;

s=s.toUpperCase();

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

char c=s.charAt(i);

int d=digits.indexOf(c);

dec=16*dec+d;

}

return dec;

}

Expand file tree