Java/Conversions/OctalToHexadecimal.java at dev · primary-code-test/Java · GitHub

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package Conversions;

import java.util.Scanner;

/**

* Converts any Octal Number to HexaDecimal

* @author Tanmay Joshi

public class OctalToHexadecimal {

/**

* This method converts a Octal number to a decimal number

* @param s The Octal Number

* @return The Decimal number

public static int octToDec(String s) {

int i = 0;

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

char num = s.charAt(j);

num -= '0';

i *= 8;

i += num;

}

return i;

}

/**

* This method converts a Decimal number to a Hexadecimal number

* @param d The Decimal Number

* @return The Hexadecimal number

public static String decimalToHex(int d) {

String digits = "0123456789ABCDEF";

if (d <= 0) return "0";

String hex = "";

while (d > 0) {

int digit = d % 16;

hex = digits.charAt(digit) + hex;

d = d / 16;

}

return hex;

}

public static void main(String args[]) {

Scanner input = new Scanner(System.in);

System.out.print("Enter the Octal number: ");

// Take octal number as input from user in a string

String oct = input.next();

// Pass the octal number to function and get converted deciaml form

int decimal = octToDec(oct);

// Pass the decimla number to function and get converted Hex form of the number

String hex = decimalToHex(decimal);

System.out.println("The Hexadecimal equivalant is: " + hex);

input.close();

}

Java/Conversions/OctalToHexadecimal.java at dev · primary-code-test/Java · GitHub

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