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private void httpUrlConnection() { try { String pathUrl = "http://172.20.0.206:8082/TestServelt/login.do"; // 建立连接 URL url = new URL(pathUrl); HttpURLConnection httpConn = (HttpURLConnection) url

Only one JRE can be installed at a time. The system will notinstall a JRE that has a lower version than the current version. Ifyou wish to install a lower version of the JRE, first uninstall the cur