[medium snippets] #medium #designPattern #FacadePattern

ComputerFacade.java

public class ComputerFacade {
  static private final long BOOT_ADDRESS = 0;
  static private final long BOOT_SECTOR = 0;
  static private final int SECTOR_SIZE = 0;

  private CPU processor;
  private Memory ram;
  private HardDrive hd;

  public ComputerFacade() {
    this.processor = new CPU();
    this.ram = new Memory();
    this.hd = new HardDrive();
  }
  
  public void start() {
    processor.freeze();
    ram.load(BOOT_ADDRESS, hd.read(BOOT_SECTOR, SECTOR_SIZE));
    processor.jump(BOOT_ADDRESS);
    processor.execute();
  }
}