import java.util.prefs.*;
public class PrefFinal{
	public static void main(String[] args){
		PrefFinal preffinal = new PrefFinal();
	}
	public PrefFinal(){
		String newvalue = "roseindia";
	//Assign value "roseindia" to the String typed variable newvalue.
		Preferences prefs = Preferences.userNodeForPackage (this.getClass());
	// This line declares the preferences for putting and getting the value from the current class.
		prefs.put ("PrefsValue", newvalue);
	//This line puts the value "rose" for the preferences key named newvalue.
		String prefs_value = prefs.get ("PrefsValue", "");
	//This line gets your set preference value for the the defined preferences key.
		System.out.println("Got PrefsValue '" + prefs_value + "' from prefs");
	//This prints the got preferences value whatever you have set.
	}
}