Merge pull request #333 from The-TJ/patch-2

Thanks for contribution

Author: Christian Bender

Conversions/OctalToHexadecimal.java

@@ -0,0 +1,63 @@
+/**
+ + + * Converts any Octal Number to HexaDecimal 
+ + + * 
+ + + * @author Tanmay Joshi
+ + + *
+ + + *
+ **/
+import java.util.Scanner;
+
+public class OctalToHexadecimal {
+	
+  /**
+ + +	 * This method converts a Octal number to
+ + +	 * a decimal number
+ + +	 * 
+ + +	 * @param 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 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;
+}
+
+           //Driver Program
+public static void main ( String args[]) {
+		
+     Scanner input = new Scanner(System.in);
+     System.out.print("Enter the Octal number: ");
+     String oct  = input.next();                     //Take octal number as input from user in a string
+     int decimal = OctToDec(oct);                    //Pass the octal number to function and get converted deciaml form
+     String hex = DecimalToHex(decimal);             //Pass the decimla number to function and get converted Hex form of the number
+     System.out.println("The Hexadecimal equivalant is: "+hex);
+ }
+}
+