Java Project load configuration file tool class __java

Java Project load configuration file tool class

Package com.loadproperties;
Import java.io.IOException;
Import Java.io.InputStream;

Import java.util.Properties;
	
	public class Configutil {private static inputstream input;
	
	Private volatile properties Configuration = new properties ();
	A single instance of private static Configutil config;
		public static Configutil getinstance (String path) {if (config==null) {config=new configutil (path);
	} return config;
		The load configuration file private Configutil (String path) {input =this.getclass (). getResourceAsStream (path) is completed in the//constructor.
        This.configuration.clear ();
		try {this.configuration.load (input);
			catch (IOException e) {System.out.println (E.getmessage ());
		E.printstacktrace (); } public string GetStringValue (string key) throws IOException {return This.configuration.getProperty (
    Key); public string GetStringValue (string key, String defaultvalue) {String value = This.configuration.getProperty (key
		); if (value = = null) {return DefaultvaluE
		else {return value;
	 } public void Setconfiguration (string key, String value) {This.configuration.setProperty (key, value);
		public static void Main (string[] args) throws IOException {String path= "/com/loadproperties/log4j.properties";
	System.out.println (config.getinstance (path). GetStringValue ("Log4j.rootlogger"));
 }

}