MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

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

public class MainClass {
    public static void main(String[] args) throws Exception {
        Preferences prefs = Preferences.userNodeForPackage(MainClass.class);
        prefs.put("key1", "value1");
        prefs.put("key2", "value2");
        prefs.putInt("intValue", 4);
        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));
        }
        System.out.println(prefs.getInt("booleanValue", 0));
    }
}