The following example demonstrates how to use the httpCon.getDate() method of HttpURLConnection to obtain the date information of the URL response header:
/* author by w3cschool.cc Main.java */import java.net.HttpURLConnection;import java.net.URL;import java.util.Date;public class Main{ public static void main(String args[]) throws Exception { URL url = new URL("http://www.w3cschool.cc"); HttpURLConnection httpCon = (HttpURLConnection) url.openConnection(); long date = httpCon.getDate(); if (date == 0) System.out.println("无法获取信息。"); else System.out.println("Date: " + new Date(date)); }}
The output result of the above code is:
Date: Mon May 04 11:57:06 CST 2015
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