ridencww

Given class...

public class MyClass {
    
    private MyClass() throws InstantiationException {
        throw new InstantiationException("Instances of this type are forbidden.");    
    }

    ... 

ridencww

/*
 * Simple printf for writing to an Arduino serial port.  Allows specifying Serial..Serial3.
 * 
 * const HardwareSerial&, the serial port to use (Serial..Serial3)
 * const char* fmt, the formatting string followed by the data to be formatted
 * 
 * int d = 65;
 * float f = 123.4567;
 * char* str = "Hello";
 * serial_printf(Serial, "<fmt>", d);