Advanced Data Analytics Using Python_ With Machine Learning, Deep Learning and NLP Examples ( 2023)

Chapter 7
Analytics at Scale
}
}
boolean hasval = expectedresult.
get(key).contains(v);
assertEquals(true, hasval);
}
@Test
public void testReducer(){
fail();
}
}
Finally, here are the interfaces:
import java.util.ArrayList;
import java.util.HashMap;
public interface ICombiner {
HashMap<String, ArrayList<String>> combiner_task(String
key, ArrayList<String> values);
}
public interface IPartitioner {
public int partitioner_task(String line);
}
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