"Untitled"
By gando (https://pastebin.com/u/gando)

URL: https://pastebin.com/uAkQuzYn
Created on: Wednesday 21st of September 2011 04:45:57 PM CDT
Retrieved on: Saturday 31 of October 2020 07:57:51 AM UTC


import java.util.Scanner;
public class converterClassAssignment
{
	public static String baseConvert( String original, int baseFrom, int baseTo )
	{
		int v = 0;
		int i = 0;
		int z = 0;
		int temp2 = 0;
		String temp = "";
		String temp3 = "";
		String hex2 = "0123456789ABCDEF";
		for(i = 0; i < original.length(); i++)
		{
			temp = original.substring(i,i+1);
			v = hex2.indexOf(temp);
			z = Integer.parseInt(baseConvert(v, 10, 2));
			temp3 += z;
		}
		temp2 = Integer.parseInt(baseConvert(Integer.parseInt(temp3), 2, 10));
		return baseConvert(temp2, 10, baseTo);
	}
	

	public static String baseConvert( int original, int baseFrom, int baseTo )
	{
		int v = 0;
		int i = 0;
		int k = 0;
		int b = 0;
		int x = 0;
		int a = 0;
		int z = 0;
		int idk = 0;
		int nou = 0;
		StringBuffer tempConverterString2 = new StringBuffer("");
		String returnA = "";
		String temp = "";
		String temp2 = "";
		String temp3 = "";
		String[] hex = {"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B",	"C", "D", "E", "F" };

		if(baseFrom>baseTo)
			{
			v = original;
				while(((double)v)/baseTo != 0)
					{

						i = v;
						v = i/baseTo;
						x = i%baseTo;
						tempConverterString2.append(x);
					}
				return tempConverterString2.reverse().toString();
			}
		else
		{
			v = original;
			if(baseTo == 16 && baseFrom == 2)
				{
					temp = Integer.toString(original);
					double len = temp.length();
					while(len % 4 != 0) {/* System.out.println(temp);*/ temp = "0" + temp; len = temp.length();}
					for(i = (temp.length()); 0 < i; i = i - 4)
					{
						temp2 = temp.subSequence(i-4, i).toString()/* + temp2*/;
						idk = Integer.parseInt(temp2);
						nou = Integer.parseInt(baseConvert(idk, 2, 10));
						temp3 = hex[nou] + temp3;
					}
					return temp3;
				}
			else if(baseTo == 16 && baseFrom != 2)
			{
				int jj = Integer.parseInt(baseConvert(original, baseFrom, 2));
				return baseConvert(jj, 2, 16);
				
			}
			StringBuffer tempConverterString = new StringBuffer(Integer.toString(original)).reverse(); // tempConverterString = 686
			for(i = 0;i <= tempConverterString.length()-1;i++)
			{
				k = Integer.parseInt(tempConverterString.substring(i,i+1)); // i == 0; k = 6
				b = exp(baseFrom, i);
				z = k * b; // i == 0; k == 6; convertFromBase == 16; z = (6 * 16^0) == 6 // i == 1; k == 8; z = (8 * 16^1) = 128
//				System.out.println("i: "+i+" k: "+k+" z: "+z+ " b: "+b);
				a += z;
			}
		}
		returnA += a;
		return returnA;
	}


	public static int exp( int base, int power )
	{
		int i = power;
		int z = base;
		int x = base;
		if (power == 1) { return base;}
		else if (power == 0) { return 1;}
		else if (base == 0) { return 0;}
		else
		{
			for (i = power;i > 1;i--)
			{
				z = z * x;
			}
			return z;
		}
	}
	public static void main(String[] args)
	{
		Scanner in = new Scanner(System.in);
		String convertFromNumber;// = 0;
		int convertFromNumber2 = 0;
		int convertFromBase = 0;
		int convertToBase = 0;
		double ver = 0.1;
		String output = "";
		String dashes = "----------------";
		String nl = "\n";
		String prompt = "$> ";

		System.out.println("Welcome to Base Converter version "+ver);
		System.out.println(dashes);
		System.out.println();
		System.out.print("Input the integer to convert from." + nl + prompt);
		convertFromNumber = in.nextLine();

		System.out.print(nl+"Input the base"+/*-N*/" value to convert from." + nl + prompt);
		convertFromBase = in.nextInt();
		System.out.print(nl+"Input the base"+/*-M*/" value to convert to."+nl+prompt);
		convertToBase = in.nextInt();
		try
		{
			convertFromNumber2 = Integer.parseInt(convertFromNumber);
			output = baseConvert(convertFromNumber2, convertFromBase, convertToBase);
			
		} catch(NumberFormatException e)
		{
			output = baseConvert(convertFromNumber, convertFromBase, convertToBase);
		}
			System.out.println(output);
	}
}