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java中Port端口是怎麽回事?有什麽用?

機器 rep 取數 hat name baidu clu for 相對

端口(port)

馬 克-to-win:(視頻下載) (全部書籍)Port端口是個偉大的發明。否則當我又想訪問www.baidu.com獲得他的網頁,又想同時訪問這臺機器的sql server數據庫獲取數據庫時怎麽辦呢?這時就用端口來區分。一個在80口,一個在1433端口。一個端口相對於一個程序(先不談一個程序用多個端口的 情況)。一臺機器共有65536個端口。Port must be between 0 and 65535 inclusive.
順便說一句:操作系統保留了使用端口1到端口1024的權力,所以沒事別用這些端口。(if you really use 1023, it may not report error. It is only that you should not do like that. Like traffic regulation, you better conform to it. )

詳情黏貼以下網址在地址欄後請進:http://www.mark-to-win.com/index.html?content=JavaBeginner/javaUrl.html&chapter=JavaBeginner/JavaBeginner9_web.html#WhyPort

java中Port端口是怎麽回事?有什麽用?