// Author: Robert Lie (mobilefish.com)

import java.util.Properties;
import java.util.Enumeration;

class DisplaySystemProperties {

	public static void main(String args[]) {
	
		String propName;
		String propValue;
		Properties prop = System.getProperties();
		Enumeration enum = prop.propertyNames(); 
		while (enum.hasMoreElements()) {
			propName = (String)enum.nextElement(); 
			propValue = System.getProperty(propName);
 			System.out.println(propName + "\t : " + propValue);
		}	
	}
}