int num_user = 1;
Calendar calendar = Calendar.getInstance();
boolean trace_flag = false;
CloudSim.init(num_user, calendar, trace_flag);
//******************************************************
//Creating Storages
HarddriveStorage hd1 = new HarddriveStorage(1024);
HarddriveStorage hd2 = new HarddriveStorage(1024);
HarddriveStorage hd3 = new HarddriveStorage(1024);
System.out.println("* * *");
System.out.println("Used disk space on hd1=" + hd1.getCurrentSize());
System.out.println("Used disk space on hd2=" + hd2.getCurrentSize());
System.out.println("Used disk space on hd3=" + hd3.getCurrentSize());
System.out.println("* * *");
//Creating 3 Files
//Attention: This is the "org.cloudbus.cloudsim.File" class!!
File file1 = new File("file1.dat", 300);
File file2 = new File("file2.dat", 300);
File file3 = new File("file3.dat", 300);
hd1.addFile(file1);
hd2.addFile(file2);
hd3.addFile(file3);
//************************************************************
LinkedList hdList = new LinkedList();
hdList.add(hd1);
hdList.add(hd2);
hdList.add(hd3);
//You can add files into datacenter by Datacenter.addFile method too.
//Look inside createDatacenter() method!!
Datacenter mydc = createDatacenter("MyDC", hdList);
DatacenterBroker broker = createBroker();
int brokerId = broker.getId();
CloudSim.startSimulation();
System.out.println("* * *");
System.out.println("Used disk space on hd1=" + hd1.getCurrentSize());
System.out.println("Used disk space on hd2=" + hd2.getCurrentSize());
System.out.println("Used disk space on hd3=" + hd3.getCurrentSize());
System.out.println("* * *");
double capacity1=hd1.getAvailableSpace();
double capacity2=hd2.getAvailableSpace();
double capacity3=hd3.getAvailableSpace();