url.openStream()和url.openConnection().getInputStream()两者区别

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url.openStream()和url.openConnection().getInputStream()两者区别

url.openStream()和url.openConnection().getInputStream()两者区别
url.openStream()和url.openConnection().getInputStream()两者区别

url.openStream()和url.openConnection().getInputStream()两者区别
两个是一样的.下面是url.openStream()的源码:
public final InputStream openStream() throws java.io.IOException {
return openConnection().getInputStream();
}
他也是先通过openConnection()方法获取URLConnection对象,然后调用getInputStream()方法.