Hadoop query regarding setJarByClass method of Job class

Question

In the Hadoop API documentation it\'s given

that

setJarByClass 

public void setJarByClass(Class cls)

Set the Jar by finding where a give         


        

Answer 1

job.setJarByClass(WordCount.class);

Helps to identify the Jar which contains the Mapper and Reducer by specifying a class in that Jar.