import java.lang.*;	//syatem library file
import java.lang.reflect.Array;
import java.io.*;	//printstream classes
import java.util.*;	//bcz of scanner class
import java.io.*;

public class UdemyClasses
{
	public static void main(String args[]) 
	{
		System.out.println("Enter a String if u want a exception!");
		Scanner obj = new Scanner(System.in);
		String a = obj.next();
		float b ;
		try 
		{
			b = Float.parseFloat(a) ;
			System.out.println("Value of b is : "+b);
		}
		catch(NumberFormatException e) 
		{
			System.out.println(e);
		}
		
	}
}