Beginner’s Guide to Spring Expression Language with Spring Boot

Spring Expression Language (SpEL) is a powerful expression language, which can be used for querying and manipulating an object graph at runtime. SpEL is available via XML or annotation, is evaluated during the bean creation time.

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Streaming Data with Spring Boot RESTful Web Service

Streaming data is a radical new approach to sending data to web browsers which provides for dramatically faster page load times. Quite often, we need to allow users to download files in web applications. When the data is too large, it becomes quite a challenge to provide a good user experience.