MapReduce Reducer Assignment

Motivation

Collector is fundamental to the MapReduce Framework lab.

Motivation

Learn about Collector before we dig into the MapReduce Lab.

Background

interface Collector<T,A,R>

class MutableInt

Code To Implement

ClassicReducer

class:	ClassicReducer.java
methods:	supplier accumulator combiner
package:	mapreduce.collector.studio
source folder:	student/src/main/java

IntSumCollector

class:	IntSumCollector.java
methods:	supplier accumulator combiner finisher
package:	mapreduce.collector.intsum.studio
source folder:	student/src/main/java

Testing Your Solution

Correctness

class:	CollectorStudioTestSuite.java
package:	mapreduce
source folder:	testing/src/test/java