Updated OctalToDecimal.java

Conversions/OctalToDecimal.java

@@ -7,42 +7,41 @@ import java.util.Scanner;
  *
  */
 public class OctalToDecimal {
-	
+
 	/**
 	 * Main method
 	 * 
-	 * @param args Command line arguments
+	 * @param args
+	 *            Command line arguments
 	 */
 	public static void main(String args[]) {
 		Scanner sc = new Scanner(System.in);
-		int o = sc.nextInt();
-		System.out.println("Decimal equivalent: " + convertOctalToDecimal(o));
+		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.
+	 * This method converts an octal number to a decimal number.
 	 * 
-	 * @param o The octal number
+	 * @param inputOctal
+	 *            The octal number
 	 * @return The decimal number
 	 */
-	public static int convertOctalToDecimal(int o) {
-		System.out.print("Octal Input: ");
-		// Read the input from the console which we are expecting as an octal number:
-		Scanner s = new Scanner(System.in);
-		String inputHex = s.nextLine();
-		try{
+	public static int convertOctalToDecimal(String inputOctal) {
+
+		try {
 			// Actual conversion of Octal to Decimal:
-			Integer outputDecimal = Integer.parseInt(inputHex, 8);
-			System.out.println("Decimal Equivalent : " + outputDecimal);
-		}
-		catch(NumberFormatException ne){
-			// Printing a warning message if the input is not a valid octal number:
+			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");
-		}
-		finally{
-			s.close();
+			return -1;
 		}
 	}
 }