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Spring Boot

QuestionAnswer
What are some different ways you can implement exception handling in a Spring application using annotations? 1 of 2 1. On a custom exception use the @ResponseStatus annotation to define an HTTP Status value and a reason (message) to handle a custom exception when thrown.
What are some different ways you can implement exception handling in a Spring application using annotations? 2 of 2 2. Use @ExceptionHandler methods to any controller to specifically handle exceptions thrown by @RequestMapping methods in the same controller. 3. Use @ControllerAdvice to use uniform exception handling techniques accross a whole application.
What is the purpose of the Spring Boot Maven Plugin? 1 of 2 It collects all the jars on the classpath and builds a single, runnable jar, which makes it more convenient to execute and transport your service.
What is the purpose of the Spring Boot Maven Plugin? 2 of 2 It searches for the main method to flag as a runnable class. Provides a built-in dependency resolver that sets the version number to match Spring Boot dependencies.
How would you run a Spring Boot application via the command line if you are using Maven? mvn package && java -jar target/<name-of-jar>.jar
What is JNDI? The Java Naming and Directory Interface (JNDI) is an API that provides naming and directory functionality to applications written in java.
What is bean validation? We use bean validation when we use annotations placed on a fields, methods, or classes to constrain input. Using annotations like: @NotNull, @Null, @Max(int num), @Min(int num)
What is JSR 303? It is the specification for bean validation in JEE.
What type of information do we commonly add to the application.properties file? What type of information do we commonly add to the application.properties file?
Is it possible to add any configuration to Spring Boot? Yes. We can use a file called "application.properties" to add configurations to Spring Boot if we need. This file is location in our resources folder (or Web-INF, depending)
What is the @SpringBootApplication annotation? 1 of 3 The @SpringBootApplication annotation is a convenience annotation that is a combination of the following annotations: @Configuration - Tags the class as the source of bean definitions for the application context
What is the @SpringBootApplication annotation? 2 of 3 @EnableAutoConfiguration - Tells Spring Boot to start adding beans based on classpath setting, other beans, and various property settings
What is the @SpringBootApplication annotation? 3 of 3 @ComponentScan - Tells Spring to look for other components, configurations, and services in the package, allowing it to find the controllers.
What are some of the advantages of using Spring Boot over the basic Spring core? Directly embed a Tomcat server (no need to deploy WAR files) Simplifies your Maven configuration by providing an opinionated starter POM No code generation and no requirement for XML configuration
What does adding the 'spring-boot-starter-parent' to you POM do for you? It allows you to inherit a starter project that has already made decisions about things like what ORM, Object Mapper, and logging to use.
What is Spring Boot? An opinionated view of the Spring platforms and third-party libraries that allows you to start programming with minimal setup. In short, Spring Boot is an opininated approach to configuring Spring MVC.
Created by: wahoo99
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