import org.apache.http.HttpEntity; import org.apache.http.HttpResponse; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpGet; import org.apache.http.impl.client.HttpClientBuilder; import org.apache.http.util.EntityUtils; HttpClient httpClient = HttpClientBuilder.create().build(); HttpGet httpGet = new HttpGet("http://example.com"); HttpResponse response = httpClient.execute(httpGet); HttpEntity entity = response.getEntity(); String responseString = EntityUtils.toString(entity, "UTF-8"); httpClient.getConnectionManager().shutdown(); PoolingHttpClientConnectionManager connManager = new PoolingHttpClientConnectionManager(); connManager.setMaxTotal(100); connManager.setDefaultMaxPerRoute(10); HttpClient httpClient = HttpClients.custom() .setConnectionManager(connManager) .build(); HttpGet httpGet = new HttpGet("http://example.com"); RequestConfig requestConfig = RequestConfig.custom() .setConnectTimeout(5000) .setSocketTimeout(5000) .build(); httpGet.setConfig(requestConfig); HttpResponse response = httpClient.execute(httpGet);