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JavaʵÏÖXMPP·¢ËͽÓÊÕÏûÏ¢ºÍÎļþ¹¦ÄÜ

package test;
import java.io.File;
import org.jivesoftware.smack.Chat;
import org.jivesoftware.smack.ConnectionConfiguration;
import org.jivesoftware.smack.MessageListener;
import org.jivesoftware.smack.XMPPConnection;
import org.jivesoftware.smack.XMPPException;
import org.jivesoftware.smack ......
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