GFG.java

class GFG { 
  
    // Driver method 
    public static void main(String[] args) 
    { 
  
        try { 
  
            String str = ""; 
            if (args.length>0) str = args[0];
  
            // returns the double value 
            // represented by the string argument 
            double val = Double.parseDouble(str); 
  
            // prints the double value 
            System.out.println("Value = " + val); 
        } 
        catch (Exception e) { 
            System.out.println("Exception: " + e); 
        } 
    } 
}