/*
	Programmer:		Leandro Vicario
	Date:				Oct. 12, 2004
	Program Name:	ConverterIO
*/

import java.io.*;

public class ConverterIO
{
	public static void main(String[] args) throws IOException
	{
		BufferedReader dataIn = new BufferedReader(new InputStreamReader(System.in));
		
		String strChoose;
		int choose;
		
		String strMiles, strKilometer, strMeter, strFeet, strInches, strCentimeter;
		double miles, kilometer, meter,feet, inches, centimeter;
		
		boolean done = false;
		
		while (!done)
		{
			try
			{
				//Getting input from the user
				println("\n\n\n\t\tLENGTH CONVERTER");
				println("\n\tWhat you would like to convert?");
				println("");
				println("\t1) Miles		4) Feet");
				println("\t2) Kilometer		5) Inches");
				println("\t3) Meter		6) Centimeter");
				println("\t\t      7) Exit");
				
				print("\n\tEnter your choice: ");
					strChoose = dataIn.readLine();
					choose = Integer.parseInt(strChoose);
					
				if ((choose <= 0) || (choose >= 8))
				{
					println("\tInvalid entry, please try again!");
				}
					
				switch (choose)
				{
					case 1:
						print("\n\tEnter value for Miles: ");
							strMiles = dataIn.readLine();
							miles = Double.parseDouble(strMiles);
						println("\n\t\tKilometer: " + (miles*1.6093));
						println("\t\tMeter: " + (miles*1609.3));
						println("\t\tFeet: " + (miles*5279.85565107));
						println("\t\tInches: " + (miles*63358.26781284));
						println("\t\tCentimeter: " + (miles*160930.0002446136));					
					break;
							
					case 2:
						print("\n\tEnter value for Kilometer: ");
							strKilometer = dataIn.readLine();
							kilometer = Double.parseDouble(strKilometer);
						println("\n\t\tMiles: " + (kilometer*0.6213882));
						println("\t\tMeter: " + (kilometer*1000));
						println("\t\tFeet: " + (kilometer*3280.8399));
						println("\t\tInches: " + (kilometer*39370.0788));
						println("\t\tCentimeter: " + (kilometer*100000));					
					break;
							
					case 3:
						print("\n\tEnter value for Meter: ");
							strMeter = dataIn.readLine();
							meter = Double.parseDouble(strMeter);
						println("\n\t\tMiles: " + (meter*621.3882));
						println("\t\tKilometer: " + (meter*1000));
						println("\t\tFeet: " + (meter*3.2808399));
						println("\t\tInches: " + (meter*39.3700788));
						println("\t\tCentimeter: " + (meter*100));
					break;
							
					case 4:
						print("\n\tEnter value for Feet: ");
							strFeet = dataIn.readLine();
							feet = Double.parseDouble(strFeet);
						println("\n\t\tMiles: " + (feet*0.0001893991176));
						println("\t\tKilometer: " + (feet*0.0003048));
						println("\t\tMeter: " + (feet*0.3048));
						println("\t\tInches: " + (feet*12));
						println("\t\tCentimeter: " + (feet*30.48));
					break;
							
					case 5:
						print("\n\tEnter value for Inches: ");
							strInches = dataIn.readLine();
							inches = Double.parseDouble(strInches);
						println("\n\t\tMiles: " + (inches*0.000015783254));
						println("\t\tKilometer: " + (inches*0.000025349));
						println("\t\tMeter: " + (inches*0.02534));
						println("\t\tFeet: " + (inches*0.08333));
						println("\t\tCentimeter: " + (inches*2.51));
					break;
							
					case 6:
						print("\n\tEnter value for Centimeter: ");
							strCentimeter = dataIn.readLine();
							centimeter = Double.parseDouble(strCentimeter);
						println("\n\t\tMiles: " + (centimeter*0.000006218797));
						println("\t\tKilometer: " + (centimeter*0.000004));
						println("\t\tMeter: " + (centimeter*0.004));
						println("\t\tFeet: " + (centimeter*0.032808386877));
						println("\t\tInches: " + (centimeter*0.3937008));
					break;
					
					case 7:
						done = true;
						println("\n\tThank you for using this program!");
						println("\n\n");
						break;
						
					default:
						throw new NumberFormatException();
						
						
				} // end switch
				
			} // end try
			
			
			catch (NumberFormatException e)
			{
				println("\tInvalid Data, please try again!");
			} // end catch
			
		} // end while
		
	} // end main
	
	
	
	
	//short cut for print
	private static void print(String s) 
	{
   	System.out.print(s);
   }
	
	//short cut for println
	private static void println(String s) 
	{
   	System.out.println(s);
   }
}