Preferences: remove(String key) : Preferences « java.util.prefs « Java by API

1. Java by API
2. java.util.prefs
3. Preferences

Preferences: remove(String key)

 
import java.util.prefs.Preferences;

public class Main {
  public static void main(String[] argv) throws Exception {
    // Get the user preference node for java.lang
    Preferences prefs = Preferences.userNodeForPackage(String.class);

    // Remove a preference in the node
    final String PREF_NAME = "name_of_preference";
    prefs.remove(PREF_NAME);

    // Remove all preferences in the node

    prefs.clear();

  }
}

   
  

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