For more info about VMware Spring Professional 2021

VMWARE EDU-1202 Certification

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Understanding functional and technical aspects of VMware Spring Professional 2021 Container, Dependency and IOC

The following will be discussed in VMWARE EDU-1202 exam dumps pdf:

• Can you use @Component together with @Profile?
• What is a property source? How would you use @PropertySource?
• Are beans lazily or eagerly instantiated by default? How do you alter this behavior?
• What is a BeanPostProcessor and how is it different to a BeanFactoryPostProcessor?
• What is a BeanFactoryPostProcessor and what is it used for? When is it invoked? - Why would you define a static @Bean method when creating your own BeanFactoryPostProcessor? - What is a PropertySourcesPlaceholderConfigurer used for?
• How are you going to create an ApplicationContext in an integration test?
• How does the @Qualifier annotation complement the use of @Autowired?
• What can you reference using SpEL?
• What does the @Bean annotation do?
• What do they do? When are they called? - What is an initialization method and how is it declared on a Spring bean? - What is a destroy method, how is it declared and when is it called? - Consider how you enable JSR-250 annotations like @PostConstruct and @PreDestroy?
• Where can properties in the environment come from - there are many sources for properties - check the documentation if not sure. Spring Boot adds even more.
• What is the Environment abstraction in Spring?
• How do you configure profiles? What are possible use cases where they might be useful?
• Can you use @Bean together with @Profile?
• What is the behavior of the annotation @Autowired with regards to field injection, constructor injection and method injection?
• What is the default bean id if you only use @Bean? How can you override this?
• How many profiles can you have?
• What is an ApplicationContext?
• What is the difference between $ and # in @Value expressions?
• How are you going to create a new instance of an ApplicationContext?
• When/how will they get called? - How else can you define an initialization or destruction method for a Spring bean?
• What is Spring Expression Language (SpEL for short)?
• What is a proxy object and what are the two different types of proxies Spring can create? - What are the limitations of these proxies (per type)? - What is the power of a proxy object and where are the disadvantages?
• What is dependency injection and what are the advantages of using it?
• What is the preferred way to close an application context? Does Spring Boot do this for you? - Dependency injection using Java configuration? - Dependency injection using annotations (@Autowired)? - Component scanning, Stereotypes? - Scopes for Spring beans? What is the default scope?
• Can you describe the lifecycle of a Spring Bean in an ApplicationContext?
• How do you inject scalar/literal values into Spring beans? - What is @Value used for?
• What does component-scanning do?
• Why are you not allowed to annotate a final class with @Configuration - How do @Configuration annotated classes support singleton beans? - Why can't @Bean methods be final either?
• What is an interface and what are the advantages of making use of them in Java?

Understanding functional and technical aspects of VMware Spring Professional 2021 Data Management: JDBC, Transactions

The following will be discussed in VMWARE EDU-1202 exam dumps:

• What is the difference between checked and unchecked exceptions? - Why does Spring prefer unchecked exceptions? - What is the Spring data access exception hierarchy?
• What is a transaction? What is the difference between a local and a global transaction?
• How does the JdbcTemplate support queries? How does it return objects and lists/maps of objects?
• Where can the @Transactional annotation be used? What is a typical usage if you put it at class level?
• When does the JDBC template acquire (and release) a connection, for every method called or once per template? Why?
• Which PlatformTransactionManager(s) can you use with JPA?
• What does declarative transaction management mean?
• Can you execute a plain SQL statement with the JDBC template?
• What is the default rollback policy in a JUnit test, when you use the @RunWith(SpringJUnit4ClassRunner.class) in JUnit 4 or @ExtendWith(SpringExtension.class) in JUnit 5, and annotate your @Test annotated method with @Transactional?
• What does @Transactional do? What is the PlatformTransactionManager?
• What is the Template design pattern and what is the JDBC template?
• What is the default rollback policy? How can you override it?
• What is a callback? What are the JdbcTemplate callback interfaces that can be used with queries? What is each used for? (You would not have to remember the interface names in the exam, but you should know what they do if you see them in a code sample).
• How are you going to define a transaction in Spring?
• Is a transaction a cross cutting concern? How is it implemented by Spring?
• What happens if one @Transactional annotated method is calling another @Transactional annotated method inside a same object instance?
• How do you configure a DataSource in Spring?
• Is the JDBC template able to participate in an existing transaction?
• What is @EnableTransactionManagement for?
• What do you have to configure to use JPA with Spring? How does Spring Boot make this easier?
• Are you able to participate in a given transaction in Spring while working with JPA?
• How does transaction propagation work?

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