Dec 6, 2017 · Nov 17, 2017 · Nov 22, 2017 · Nov 22, 2017 · Nov 26, 2017 · Nov 17, 2017
diff --git a/Conversions/HexToOct.java b/Conversions/HexToOct.java
 /* Java Program - Convert Hexadecimal to Octal
 Author - Tanmay Joshi*/

 import java.util.Scanner;

 public class HexToOct
 {
    public static int hex2decimal(String s)
    {
             String str = "0123456789ABCDEF";
             s = s.toUpperCase();
             int val = 0;
             for (int i = 0; i < s.length(); i++)
             {
                 char a = s.charAt(i);
                 int n = str.indexOf(a);
                 val = 16*val + n;
             }
             return val;
    }
    public static void main(String args[])
    {
        String hexadecnum;
        int decnum, i=1, j;
        int octnum[] = new int[100];
        Scanner scan = new Scanner(System.in);

        System.out.print("Enter Hexadecimal Number : ");
        hexadecnum = scan.nextLine();

        // first convert hexadecimal to decimal

        decnum = hex2decimal(hexadecnum);

        // convert decimal to octal

        while(decnum != 0)
        {
            octnum[i++] = decnum%8;
            decnum = decnum/8;
        }

        System.out.print("Equivalent Octal Number is :\n");
        for(j=i-1; j>0; j--)
        {
            System.out.print(octnum[j]);
        }
    }
 }
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,49 @@
		/* Java Program - Convert Hexadecimal to Octal
		Author - Tanmay Joshi*/

		import java.util.Scanner;

		public class HexToOct
		{
		public static int hex2decimal(String s)
		{
		String str = "0123456789ABCDEF";
		s = s.toUpperCase();
		int val = 0;
		for (int i = 0; i < s.length(); i++)
		{
		char a = s.charAt(i);
		int n = str.indexOf(a);
		val = 16*val + n;
		}
		return val;
		}
		public static void main(String args[])
		{
		String hexadecnum;
		int decnum, i=1, j;
		int octnum[] = new int[100];
		Scanner scan = new Scanner(System.in);

		System.out.print("Enter Hexadecimal Number : ");
		hexadecnum = scan.nextLine();

		// first convert hexadecimal to decimal

		decnum = hex2decimal(hexadecnum);

		// convert decimal to octal

		while(decnum != 0)
		{
		octnum[i++] = decnum%8;
		decnum = decnum/8;
		}

		System.out.print("Equivalent Octal Number is :\n");
		for(j=i-1; j>0; j--)
		{
		System.out.print(octnum[j]);
		}
		}
		}