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Quiz on Spring framework – Part I

By Prabhu Sunderaraman on July 18, 2018 in

Take this quiz on Spring framework and evaluate yourself

Question #1: What is the annotation equivalent of the setter-based injection in XML?

@Autowired. @Autowired is used to inject beans to a property

Question #2: What’s the default scope of all the beans in a web application?

singleton. There's only one instance of all the beans by default.

Question #3: How do you access a property version=1.0 present in a properties file?

${version}. ${...} is the expression used to access any property

Question #4: What annotation is used to defer the instantiation of beans?

@Lazy. Marking @Lazy on a component defers instantiation of a bean

Question #5: How do you get the reference of a @Component on a class MyAppCode?

getBean("myAppCode"). The convention is the class name with the starting letter in lowercase

Question #6: How do you wire a properties collection to a property?

Using @javax.annotation.Resource

Question #7: What is the central convenient class used for JDBC operations in Spring?

JdbcTemplate. Most of the services are available using some xyzTemplate class in Spring

Question #8: What’s the root unchecked Exception that’s thrown by the Database Template classes?

DataAccessException. This is the root RuntimeException class thrown by the DB Template classes.

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