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Categories / Java / Development Class

 

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"));   } }