Use java.net.URL:
URL baseUri = new URL("http://www.enet.com.cn/enews/inforcenter/designmore.jsp");
URL absoluteUri = new URL( baseUri, "../test.html");absoluteUri.toString();
Use java.net.URL:
URL baseUri = new URL("http://www.enet.com.cn/enews/inforcenter/designmore.jsp");
URL absoluteUri = new URL( baseUri, "../test.html");