63 lines
1.4 KiB
Java
63 lines
1.4 KiB
Java
package Conversions;
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import java.util.Scanner;
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/**
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* Converts any Octal Number to HexaDecimal
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*
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* @author Tanmay Joshi
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*/
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public class OctalToHexadecimal {
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/**
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* This method converts a Octal number to a decimal number
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*
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* @param s The Octal Number
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* @return The Decimal number
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*/
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public static int octToDec(String s) {
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int i = 0;
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for (int j = 0; j < s.length(); j++) {
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char num = s.charAt(j);
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num -= '0';
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i *= 8;
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i += num;
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}
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return i;
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}
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/**
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* This method converts a Decimal number to a Hexadecimal number
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*
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* @param d The Decimal Number
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* @return The Hexadecimal number
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*/
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public static String decimalToHex(int d) {
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String digits = "0123456789ABCDEF";
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if (d <= 0) return "0";
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String hex = "";
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while (d > 0) {
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int digit = d % 16;
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hex = digits.charAt(digit) + hex;
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d = d / 16;
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}
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return hex;
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}
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public static void main(String args[]) {
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Scanner input = new Scanner(System.in);
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System.out.print("Enter the Octal number: ");
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// Take octal number as input from user in a string
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String oct = input.next();
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// Pass the octal number to function and get converted deciaml form
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int decimal = octToDec(oct);
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// Pass the decimla number to function and get converted Hex form of the number
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String hex = decimalToHex(decimal);
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System.out.println("The Hexadecimal equivalant is: " + hex);
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input.close();
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}
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}
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