Determining If a Preference Node Contains a Specific Key : Preference Properties « Development Class « Java






  1. Java
  2. Development Class
  3. Preference Properties

Determining If a Preference Node Contains a Specific Key

     

import java.util.prefs.Preferences;

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

  // Returns true if node contains the specified key; false otherwise.
  public static boolean contains(Preferences node, String key) {
    return node.get(key, null) != null;
  }
}








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