gistfile1.java

import java.net.URI;

class HelloWorldApp {
    public static void main(String[] args) {
    	try {
	    	String blah = "blah";
	    	URI one = new URI(blah);
	    	URI three = new URI("test", blah, null);
	    	URI four = new URI("test", blah, null, null);
	    	System.out.println(one); // prints "blah"
	    	System.out.println(three); // prints "test:blah"
	    	System.out.println(four); // prints "test://blah"
	    } catch(Exception e1) {
	    	e1.printStackTrace();
	    }
    }
}