如何在If语句中比较两个LongWritable?喜欢,

if(compareTo(key1,new LongWritable(1))
 {

    //do something;
 }

最佳答案

LongWritable实现Comparable,因此请使用compareTo方法:

if (lw1.compareTo(lw2) == 0) {
  // lw1 has same value as lw2
}

关于hadoop - 比较两个LongWritable in if语句,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/16149331/

10-12 01:27