org.springframework.batch.core
Interfaces 
ChunkListener
ItemProcessListener
ItemReadListener
ItemWriteListener
Job
JobExecutionListener
JobParametersIncrementer
SkipListener
Step
StepExecutionListener
StepListener
Classes 
Entity
ExitStatus
JobExecution
JobInstance
JobParameter
JobParameters
JobParametersBuilder
StepContribution
StepExecution
Enums 
BatchStatus
JobParameter.ParameterType
Exceptions 
JobExecutionException
JobInterruptedException
StartLimitExceededException
UnexpectedJobExecutionException