/**
* A switch statement - with assignment
**/

public class Switch4
{
    public static void main(String[ ] args)
    {
        if (args.length == 0)                       //if no prameters are entered
        {
            System.out.println("Please enter day of the week");
            System.exit(0);
        }

        String param  = args[0];                        //get param from 1st argument
        String param2 = param.toLowerCase();            //convert to lower case
               param2 = param2.substring(0,3);          //take first 3 characters only        
 
//      System.out.println(param2);

        String dayType = switch(param2)                 //assign the result of a switch to a variable                                                  
        {
            case "mon","tue","wed","thu","fri" -> "weekday";                                      
            case "sat","sun"                   -> "weekend";                                       
            default                            -> "invalid"; 
        };                               
        
        System.out.println(param +" is a "+ dayType);
    }
}