Read a configuration file using java.util.Properties : Preference Properties « Development Class « Java

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Java » Development Class » Preference Properties Screenshots  Read a configuration file using java.util.Properties     app.config file: app.name=Properties Sample Code app.version=1.0 import java.io.FileInputStream; import java.io.InputStream; import java.util.Properties; public class Main {   public static void main(String[] args) throws Exception {     Properties prop = new Properties();     String fileName = "app.config";     InputStream is = new FileInputStream(fileName);     prop.load(is);     System.out.println(prop.getProperty("app.name"));     System.out.println(prop.getProperty("app.version"));     System.out.println(prop.getProperty("app.vendor", "Java"));   } }                    Related examples in the same category 1.  Put key value pair to Preference 2.  Get childrenNames from Preferences 3.  Get keys from Preferences 4.  Get name and parent from Preference 5.  Get node from Preference 6.  Get value from Preferences 7.  Export Preferences to XML file 8.  Passing references around 9.  Retrieve the preference node using a Class object and saves and retrieves a preference in the node. 10.  Determining If a Preference Node Contains a Specific Key 11.  Determining If a Preference Node Contains a Specific Value 12.  Removing a Preference from a Preference Node 13.  Getting and Setting Java Type Values in a Preference 14.  Getting the Maximum Size of a Preference Key and Value 15.  Getting the Roots of the Preference Trees 16.  Retrieving a Preference Node 17.  Removing a Preference Node 18.  Determining If a Preference Node Exists 19.  Retrieving the Parent and Child Nodes of a Preference Node 20.  Exporting the Preferences in a Preference Node 21.  Exporting the Preferences in a Subtree of Preference Nodes 22.  Determining When a Preference Node Is Added or Removed 23.  Read / write data in Windows registry 24.  Listening for Changes to Preference Values in a Preference Node 25.  Saving Data with the Preferences API 26.  INI file 27.  Preference Example:: export To File 28.  Properties load 29.  Properties TreeMap and Stream 30.  Parse Properties Files 31.  Preferences Demo 32.  Properties Test 33.  Sort Properties when saving 34.  Loading configuration parameters from text file based properties 35.  To read a Properties file via an Applet 36.  A Properties file stored in a JAR can be loaded this way 37.  Load a properties file in the startup directory 38.  Have a multi-line value in a properties file 39.  Convert a Properties list into a map. 40.  Listing All System Properties 41.  Getting and Setting Properties 42.  Use XML with Properties 43.  Store properties as XML file 44.  Reading and Writing a Properties File 45.  Read system property as an integer 46.  Load properties from XML file 47.  Here is an example of the contents of a properties file: 48.  Use the Registry to store informations (Preferences API) 49.  Load a properties file in the classpath 50.  Listing the system properties 51.  Properties Demo 52.  PropsToXML takes a standard Java properties file, and converts it into an XML file 53.  Utility class for preferences 54.  Static methods for retrieving and system properties and converting them to various types 55.  Store recent items (e.g. recent file in a menu or recent search text in a search dialog) 56.  Storing/loading Preferences