static void DerivedInterface()
{
WriteLine("\nDerivedInterface()");
IFormattableLogger logger = new ConsoleLogger2();
logger.WriteLog("The world is not flat");
logger.WriteLog("{0} + {1} = {2}", 1, 1, 2);
}
static void ch8() // interface
{
WriteLine("FileLogger Start");
ClimateMonitor monitor = new ClimateMonitor(new FileLogger("C:/temp/MyLog.txt"));
monitor.strat();
WriteLine("ConsoleLogger Start");
ClimateMonitor monitor2 = new ClimateMonitor(new ConsoleLogger());
monitor2.strat();
IFormattableLogger logger = new ConsoleLogger2();
logger.WriteLog("The world is not flat");
logger.WriteLog("{0} + {1} = {2}", 1, 1, 2);
}