IO
If your application needs IO capabilities, see one or more of the following sections:
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Caching: Caching support with EhCache, Hazelcast, Infinispan, and more 
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Quartz: Quartz Scheduling 
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Mail: Sending Email 
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Validation: JSR-303 Validation 
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REST Clients: Calling REST Services with RestTemplate and WebClient 
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Webservices: Auto-configuration for Spring Web Services