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"));
}
}