Temp conversion again; This time, just asking for the temp

Convert2.java

import java.util.*;

public class Convert 
{
    public static void main(String[] args)
    {
        Float f, c; //f and c represent the actual float value of the input temperature
        Scanner inTemp = new Scanner(System.in); //holds input Scanner object
        char type; //holds the type of input temperature F or C
        
        System.out.println("Temperature?"); 
        /* Take user input. */
        String fullTemp = inTemp.nextLine().toUpperCase(), //inTemp is the input temperature string; setting to uppercase makes parsing easier than opting not to
                tempNumber, // tempNumber will hold just the number part of the input string
                temp; //temp will hold the actual temperature number used for converting
        
        /* Sanitize the input string for conversion. */
        tempNumber = fullTemp.substring(0, fullTemp.length()-1); // tempNumber is just a substring; it is the numbers (only) before F or C
        temp = tempNumber.replaceAll("[^0-9a-zA-Z._]+", "");  // remove everything that isn't a number, decimal, underscore, or space
        
        /* Set the type of temperature entered. */
        type = fullTemp.charAt(fullTemp.length()-1); // the last character is assumed to be 'F' or 'C' which is the type of temperature entered
        
        if(type == 'F') //if the temp entered is Fahrenheit
        {
            System.out.println("That's a Fahrenheit temperature.");
            try //try to compute the appropriate conversion
            {    
                f = new Float(temp);
                c = (f - 32.0f)*5.0f/9.0f;
                System.out.printf("That's %.2f Celsius.\n", c);
            }
            catch(NumberFormatException e) // if there's a problem, it's likely a one that has to do with bad input
            {
                System.out.println("!Error: Could not yield Celsius temperature.");
                System.out.println(e.getMessage());
            }
        }
        else if(type == 'C') // if it's Celsius
        {
            System.out.println("That's a Celsius temperature.");
            try
            {
                c = new Float(temp);
                f = (c * 9.0f)/5.0f + 32;
                System.out.printf("That's %.2f Fahrenheit.\n", f);
            }
            catch(NumberFormatException e)
            {
                System.out.println("!Error: Could not yield Fahrenheit temperature.");
                System.out.println(e.getMessage());               
            }
        }
        else //Otherwise, a proper temperature wasn't designated
        {
            System.out.println("!Error: Couldn't resolve the temperature type.");
            System.out.println("!Error: Please put 'F' or 'C' at the end of a number.");
        }
    }//end main()
}//end class Convert