/**

static String binToHex(int binary) {

//hm to store hexadecimal codes for binary numbers within the range: 0000 to 1111 i.e. for decimal numbers 0 to 15

HashMap<Integer, String> hm = new HashMap<>();

//String to store hexadecimal code

String hex = "";

int i;

for (i = 0; i < 10; i++) {

hm.put(i, String.valueOf(i));

}

for (i = 10; i < 16; i++) hm.put(i, String.valueOf((char) ('A' + i - 10)));

int currbit;

while (binary != 0) {

int code4 = 0; //to store decimal equivalent of number formed by 4 decimal digits

for (i = 0; i < 4; i++) {

currbit = binary % 10;

binary = binary / 10;

code4 += currbit * Math.pow(2, i);

}

hex = hm.get(code4) + hex;

}

return hex;

}

/**

public static void main(String[] args) {

Scanner sc = new Scanner(System.in);

System.out.println("Enter binary number:");

int binary = sc.nextInt();

String hex = binToHex(binary);

System.out.println("Hexadecimal Code:" + hex);

sc.close();

}