Hadoop WordCount单词计数原理

 计算文件中出现每个单词的频数 输入结果按照字母顺序进行排序 编写WordCount.java 包含Mapper类和Reducer类 编译WordCount.java javac -classpath 打包jar -cvf WordCount.jar classes/* 提交作业 hadoop jar WordCount.jar WordCount input output

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