$王大少

导航

LongWritable和Long的转换

LongWritable转Long

Long l =key.get()

Long转LongWritable

LongWritable lw = new LongWritable(1000000)

posted on 2020-03-27 13:57  $王大少  阅读(1015)  评论(0)  编辑  收藏  举报