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BE Track - Quiz 1 - Java/SpringBoot

A vibrant illustration depicting Java and Spring Boot concepts, including microservices architecture, cloud computing, and coding symbols, with a modern and tech-oriented aesthetic.

Java/Spring Boot Microservices Quiz

Test your knowledge on Java and Spring Boot with our engaging quiz designed for developers and enthusiasts! This quiz covers essential concepts and features relevant to microservices and Java 8 programming.

12 challenging multiple-choice questions
Evaluate your understanding of Spring Boot and Java 8 features
Perfect for developers aiming to enhance their skills!

12 Questions3 MinutesCreated by CodingGuru47

Which of the following features of SpringBoot helps in Microservices development?

Starter projects

Prod ready features

Simple and less configurations

All of the above

2) Which of the following Spring sub-project provides tools for developers to quickly build some of the common patterns of Microservices like Spring Cloud Config, Service registration & Discovery etc. ?

Spring Data

Spring Cloud

Spring Batch

Spring Security

Which of the below annotation need to be mentioned on top of the main class of a SpringBoot application?

@Controller

@SpringBootApplication

@Configuration

All of the above

An abstract factory patterns is also called

Factory Method

Factory of factories

Singleton Factory

Factory

When we inject once class into another what kind of relationship do those classes have

IS-A

HAS-A

Which of the following is correct about Optional in java8?

Optional is a container object which is used to contain not-null objects.

Optional object is used to represent null with absent value.

Both of the above.

None of the above.

What can help us in avoiding NullPointeExceptions and null checks in java 8

Optional

Required

NotNull

NotRequired

Which is aggregate operation in Java 8

Filter

Map

ForEach

All

What is Bean in Spring?

Component

Object

Class

Container

What is the output of the below program snippet? Public static void main(String args[]) { List myList = Arrays.asList(10,15,8,49,25,98,98,32,15); Set set = new HashSet(); myList.stream() .filter(n -> !set.add(n)) .forEach(System.out::println); }

10,15

15,98

98,15

Compile Error

If a thread goes to sleep

It releases all the locks it has.

It does not release any locks.

It releases half of its locks.

It releases all of its lock except one.

What is the output of the below program snippet? class Test extends Exception { } class Main { public static void main(String args[]) { try { throw new Test(); } catch(Test t) { System.out.println("Got the Test Exception"); } finally { System.out.println("Inside finally block "); } } }

Got the Test Exception Inside finally block

Got the Test Exception

Inside finally block

Compiler Error

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