jobDefinition.java

@Bean
public Job job(Step step1) throws Exception {
    return jobBuilderFactory.get("job1")
        .incrementer(new RunIdIncrementer())
        .start(step1)
        .build();
}

@Bean
public Step step1() {
    return stepBuilderFactory.get("step1")
        .tasklet(new Tasklet() {
            public RepeatStatus execute(StepContribution contribution, ChunkContext chunkContext) {
                System.out.println("Reading...");
                return null;
            }
        })
        .build();
}