public class Car {
    // Class variables
    private String regNumber;


    // Constructors
    public Car(){
        System.out.println ( "const with no args being called");
        regNumber = "Rxxxx";
    }

    public Car( String reg){
        System.out.println ( "const with one parameter being called");
        regNumber = reg;
    }
    // setter
    public void setRegNum( String reg){
        regNumber = reg;
    }

    public String getRegNum() {
        return regNumber;
    }

    @Override
    public String toString(){
        return " Car reg Num" + regNumber ;
    }
}