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如何在If語句中比較兩個LongWritable ???像,在if語句中比較兩個LongWritable
if(compareTo(key1,new LongWritable(1))
{
//do something;
}
如何在If語句中比較兩個LongWritable ???像,在if語句中比較兩個LongWritable
if(compareTo(key1,new LongWritable(1))
{
//do something;
}
LongWritable實現可比所以使用compareTo方法:
if (lw1.compareTo(lw2) == 0) {
// lw1 has same value as lw2
}
它工作得很好...日Thnx – Divyendra 2013-04-23 18:29:07