Java/Conversions/OctalToDecimal.java at master · primary-code-test/Java · GitHub

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package Conversions;

import java.util.Scanner;

/**

* Converts any Octal Number to a Decimal Number

* @author Zachary Jones

public class OctalToDecimal {

/**

* Main method

* @param args Command line arguments

public static void main(String args[]) {

Scanner sc = new Scanner(System.in);

System.out.print("Octal Input: ");

String inputOctal = sc.nextLine();

int result = convertOctalToDecimal(inputOctal);

if (result != -1) System.out.println("Result convertOctalToDecimal : " + result);

sc.close();

}

/**

* This method converts an octal number to a decimal number.

* @param inputOctal The octal number

* @return The decimal number

public static int convertOctalToDecimal(String inputOctal) {

try {

// Actual conversion of Octal to Decimal:

Integer outputDecimal = Integer.parseInt(inputOctal, 8);

return outputDecimal;

} catch (NumberFormatException ne) {

// Printing a warning message if the input is not a valid octal

// number:

System.out.println("Invalid Input, Expecting octal number 0-7");

return -1;

}