| Class | Description | 
|---|---|
| CombineFileInputFormat<K,V> | An abstract  InputFormatthat returnsCombineFileSplit's inInputFormat.getSplits(JobContext)method. | 
| CombineFileRecordReader<K,V> | A generic RecordReader that can hand out different recordReaders
 for each chunk in a  CombineFileSplit. | 
| CombineFileRecordReaderWrapper<K,V> | A wrapper class for a record reader that handles a single file split. | 
| CombineFileSplit | A sub-collection of input files. | 
| CombineSequenceFileInputFormat<K,V> | Input format that is a  CombineFileInputFormat-equivalent forSequenceFileInputFormat. | 
| CombineTextInputFormat | Input format that is a  CombineFileInputFormat-equivalent forTextInputFormat. | 
| FileInputFormat<K,V> | A base class for file-based  InputFormats. | 
| FileSplit | A section of an input file. | 
| FixedLengthInputFormat | FixedLengthInputFormat is an input format used to read input files
 which contain fixed length records. | 
| KeyValueLineRecordReader | This class treats a line in the input as a key/value pair separated by a 
 separator character. | 
| KeyValueTextInputFormat | An  InputFormatfor plain text files. | 
| MultipleInputs | This class supports MapReduce jobs that have multiple input paths with
 a different  InputFormatandMapperfor each path | 
| NLineInputFormat | NLineInputFormat which splits N lines of input as one split. | 
| SequenceFileAsBinaryInputFormat | InputFormat reading keys, values from SequenceFiles in binary (raw)
 format. | 
| SequenceFileAsTextInputFormat | This class is similar to SequenceFileInputFormat, except it generates
 SequenceFileAsTextRecordReader which converts the input keys and values
 to their String forms by calling toString() method. | 
| SequenceFileAsTextRecordReader | This class converts the input keys and values to their String forms by
 calling toString() method. | 
| SequenceFileInputFilter<K,V> | A class that allows a map/red job to work on a sample of sequence files. | 
| SequenceFileInputFormat<K,V> | An  InputFormatforSequenceFiles. | 
| SequenceFileRecordReader<K,V> | An  RecordReaderforSequenceFiles. | 
| TextInputFormat | An  InputFormatfor plain text files. | 
| Enum | Description | 
|---|---|
| FileInputFormatCounter | 
| Exception | Description | 
|---|---|
| InvalidInputException | This class wraps a list of problems with the input, so that the user
 can get a list of problems together instead of finding and fixing them one 
 by one. | 
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