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net.*; class networking { public static void main(String[] args) throws MalformedURLException { URL obj = new URL("https://www.sanfoundry.com/javamcq"); System.out.print(obj.getPort()); } } 1 0 garbage value -1 Question 1 of 50 Topic wise Test Quizzes on Java Java tests, quiz...
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输入以下命令运行 hadoop jar mr-1101-0.0.1-SNAPSHOT.jar com.mcq.WordcountDriver /xiaocao.txt /output 注意这里输入输出的路径是集群上的路径。