/**
 * Write a description of class Conversion here.
 *
 * @author (your name)
 * @version (a version number or a date)
 */
public class DisplayMode
{
    enum Mode {
        Binary,
        Octal, 
        Decimal, 
        Hexadecimal
    }
    
    String switchedValue = new String();
    
    public String switchDisplayMode(Mode mode, String displayValue) {
        switch (mode) {
            case Binary:
                 switchedValue = Long.toBinaryString(Double.doubleToLongBits(Double.parseDouble(displayValue)));
                 break;
            case Octal:
                 switchedValue = Long.toOctalString(Double.doubleToLongBits(Double.parseDouble(displayValue)));
                 break;
            case Decimal:
                 switchedValue = displayValue;
                 break;
            case Hexadecimal:
                 switchedValue = Double.toHexString(Double.parseDouble(displayValue));
                 break;
        }
        return switchedValue;
    }
}