please I need small clerafation about precition and recall in lucene code

I want to ask about the lucene.benchmark which I used it to mauser the precision and recall in my lucene code . basically I used this code File topicsFile = new File("C:\\test\\topicfile.txt"); File qrelsFile = new File("C:\\test\\qrles.txt"); try (Directory dir = FSDirectory.o

please I need small clarification about precision and recall in lucene code‏

I want to ask about the lucene.benchmark which I used it to mauser the precision and recall in my lucene code . basically I used this code File topicsFile = new File("C:\\test\\topicfile.txt"); File qrelsFile = new File("C:\\test\\qrles.txt"); try (Directory dir = FSDirectory.o