我正在使用ArrayWritable，在某些时候我需要检查Hadoop如何序列化ArrayWritable，这是我通过设置job.setNumReduceTasks(0):0  IntArrayWritable@10f11b83  IntArrayWritable@544ec16  IntArrayWritable@fe748f8  IntArrayWritable@1968e2311  IntArrayWritable@14da8f414  IntArrayWritable@18f6235这是我使用的测试映射器:publicstaticclassMyMapperextendsMapp