[hardwired]

Code:

import java.util.*;

public class ConversionsRx {
    public static void main(String[] args) 
    {
//        double choice;
        Scanner input = new Scanner(System.in);
        System.out.println("[1] Hex to binary. [2] Binary to decimal. " +
                           "[3] Binary to hex. [4] Decimal to any.");
        // The nextLine method will allow for blocking
        // execution down the line. The nextInt method may not.
        int choice = Integer.parseInt(input.nextLine());
/*
        if(choice == 1)
        {
            String hexNums;
            System.out.println("Enter Hex number: ");
            hexNums = input.nextLine();	
        }
        else if(choice == 2)
        {
            System.out.println("Enter Binary number: ");
            int binNums = input.nextInt();
        }
        else if(choice == 3)
        {
            System.out.println("Enter Binary number: ");
            String binNumss = input.nextLine();
        }
        else if(choice == 4)
        {
            System.out.println("Enter Decimal number: ");
            int decNums = input.nextInt();
            System.out.println("Enter Base wanted: ");
            int desiredBases = input.nextInt();
        }
*/
        // A switch argument must be or evaluate-to an int.
        // Giving it a double won't work.
        switch(choice)
        {
            case 1:       // hex to binary
//                String hexNums;
                System.out.println("Enter Hex number: ");
                String hexNums = input.nextLine();
                System.out.println("Hex to binary of " + hexNums + " = " +
                                    BaseConverter.fromHexToBin(hexNums));
                break;
            case 2:       // binary to decimal
                System.out.println("Enter Binary number: ");
                // The fromBinToDec method takes a String argument.
//                int binNums = input.nextInt();
                String binStr = input.nextLine();
                System.out.println("Binary to decimal of " + binStr + " = " +
                                    BaseConverter.fromBinToDec(binStr));
                break;
            case 3:       // binary to hex
                System.out.println("Enter Binary number: ");
                String binNumss = input.nextLine();
                System.out.println("Binary to hex of " + binNumss + " = " +
                                    BaseConverter.fromBinToHex(binNumss));
                break;
            case 4:       // decimal to any
                System.out.println("Enter Decimal number: ");
                int decNums = input.nextInt();
                System.out.println("Enter Base wanted: ");
                int desiredBases = input.nextInt();
                System.out.println("Decimal value of " + decNums +
                                   " to base " + desiredBases + " = " +
                                    BaseConverter.fromDecToAny(decNums,
                                                          desiredBases));
                break;
        }

        /**
         * This block looks like a demo to show you
         * how to use the BaseConverter class.
         */
/*
        //The next 2 lines are used in all versions.
        System.out.println("ABCD1234 Base-16 converts to " +
           BaseConverter.fromHexToBin("ABCD1234") +" in Base-2.\n");
        System.out.println("E12B47F5 Base-16 converts to " +
           BaseConverter.fromHexToBin("E12B47F5") +" in Base-2.\n");
    	
        //The next 2 lines are used in the 90-point versions and above.
        System.out.println("1011111011101111 Base-2 converts to " +
           BaseConverter.fromBinToDec("1011111011101111") +" in Base-10.\n");
        System.out.println("11100100100110110 Base-2 converts to " +
           BaseConverter.fromBinToDec("11100100100110110") +" in Base-10.\n");
    	
        //The next line is used in the 95-point versions and above.
        System.out.println("1011111011101111 Base-2 converts to " +
           BaseConverter.fromBinToHex("1011111011101111") + " in Base-16.\n");
    	
        //The next line is used in the 100-point versions and above.
        System.out.println("11100100100110110 Base-2 converts to " +
           BaseConverter.fromBinToHex("11100100100110110") + " in Base-16.\n");
    	
        //The next 3 lines are useed in the 105 and 110-point versions.
        System.out.println("1000 Base-10 converts to " +
                        BaseConverter.fromDecToAny(1000,5) + " in Base-5.\n");
        System.out.println("1000 Base-10 converts to " +
                        BaseConverter.fromDecToAny(1000,8) + " in Base-8.\n");
        System.out.println("200 Base-10 converts to " +
                        BaseConverter.fromDecToAny(200,2) + " in Base-2.\n");

        //This last line is only used in the 110 point version.
        System.out.println("48879 Base-10 converts to " +
                        BaseConverter.fromDecToAny(48879,16) + " in Base-16.\n");
*/
    }
}