private computer(Builder builder)
{
this.monitor = builder.monitor;
this.processor = builder.processor;
this.printer = builder.printer;
this.ram = builder.ram;
this.vga = builder.vga;
}
static void Main(string[] args)
{
monitor lgmonitor = new monitor("1200x600", true, 32);
printer hpprinter = new printer("HP", "MP102", 50);
vga nvdiaVga = new vga("Nvidia", 2054, 2054);
ram samsungRam = new ram("DDR4", 5000, 8000);
processor intelProcessor = new processor();
intelProcessor.setCache(254);
intelProcessor.setCore(8);
intelProcessor.setSeries("CORE i7 8th Gen");
computer computer = new computer.Builder(samsungRam, nvdiaVga, intelProcessor) //parameter wajib
.withMonitor(lgmonitor) //parameter opsional
.withPrinter(hpprinter) //parameter opsional
.build();
Console.WriteLine(computer.ToString());
}
public Builder withMonitor(monitor monitor)
{
this.monitor = monitor;
return(this);
}