package roseindia;
import java.util.Arrays;
import java.util.Iterator;
import java.util.prefs.Preferences;

public class Basic {
  public static void main(String[] args) throws Exception {
	  Basic basic = new Basic();
  }

  public Basic() throws Exception{
    Preferences prefs = Preferences.userNodeForPackage(this.getClass());
    prefs.put("city1", "delhi");
    prefs.putInt("intValue", 2);
    prefs.putBoolean("booleanValue", true);
    int usageCount = prefs.getInt("intValue", 0);
    usageCount++;
    prefs.putInt("UsageCount", usageCount);
    Iterator it = Arrays.asList(prefs.keys()).iterator();
    while (it.hasNext()) {
      String key = it.next().toString();
      System.out.println(key + ": " + prefs.get(key, null));
    }
  }
}