Optimistic vs. Pessimistic Locking in Spring Boot & JPA
JavaBeans vs Spring beans vs POJOs
JavaBeans vs Spring beans vs POJOs JavaBeans : At a basic level, JavaBeans are simply Java classes which adhere to certain coding conventions. Specifically, classes that 1) have public default (no argument) constructors 2) allow access to their properties using accessor (getter and setter) methods 3) implement java.io.Serializable Spring Beans : A Spring bean is basically an object managed by Spring. More specifically, it is an object that is instantiated, configured and otherwise managed by a Spring Framework container. Spring beans are defined in Spring configuration files (or, more recently, with annotations), instantiated by Spring containers, and then injected into applications. Note that Spring beans need not always be JavaBeans. Spring beans might not implement the java.io.Serializable interface, can have arguments in their constructors , etc. This is the very basic difference between JavaBeans and Spring beans. For m...
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