In this section you will learn that how a user can access the System preferences. Here we are going to make it easier to understand the step be step process by the complete example on this topic. If we consider the example it will display the preferences of the system as root type is system and due to none key value and node it display nothing in map.
After thoroughly knowing the code you should save the file by "SavePrefs.java" file name and when after compiling the code you run your program you will get the output given below .
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE preferences SYSTEM "http://java.sun.com/dtd/preferences.dtd">
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