Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.util.prefs.PreferenceChangeEvent;
import java.util.prefs.PreferenceChangeListener;
import java.util.prefs.Preferences;

public class Main {
    public static void main(String[] argv) throws Exception {

        Preferences prefs = Preferences.userNodeForPackage(String.class);

        prefs.addPreferenceChangeListener(new PreferenceChangeListener() {
            public void preferenceChange(PreferenceChangeEvent evt) {

                Preferences node = evt.getNode();
                String key = evt.getKey();
                String newValue = evt.getNewValue();
            }
        });
        prefs.put("key", "a string");
        prefs.put("key", "a new string");
        prefs.remove("key");
    }
}