JavaAlgorithms/Conversions/OctalToHexadecimal.java
yanglbme 29948363da docs: update the whole repository
* fix some bugs
* delete duplicate files
* format code
2019-05-09 19:32:54 +08:00

65 lines
1.6 KiB
Java

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);
}
}