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Spring Batch give us those ItemReader implementations out of the box:
AbstractItemCountingItem
StreamItemReader
AmqpItemReader
FlatFileItemReader
HibernateCursorItemReader
HibernatePagingItemReader
IbatisPagingItemReader
ItemReaderAdapter
JdbcCursorItemReader
JdbcPagingItemReader
JmsItemReader
JpaPagingItemReader
ListItemReader
MongoItemReader
Neo4jItemReader
RepositoryItemReader

Spring Batch give us those ItemWriter implementations out of t he box:
AbstractItemStream
AmqpItemWriter
CompositeItemWriter
FlatFileItemWriter
GemfireItemWriter
HibernateItemWriter
IbatisBatchItemWriter
ItemWriterAdapter
JdbcBatchItemWriter
JmsItemWriter
JpaItemWriter
MimeMessageItemWriter
MongoItemWriter
Neo4jItemWriter
RepositoryItemWriter
StaxEventItemWriter