Servlet Wipro

Which file in a Maven project defines dependencies, plugins, and build configuration?

• build.gradle

• pom.properties

• pom.xml

• settings.xml

Given a pom.xml, what will happen if a dependency is defined with <scope>provided</scope>?

• It will be packaged in the final JAR/WAR.

• Maven will fetch and include it from repository.

• It is required only during runtime.

• It won’t be packaged, assuming it’s provided by the runtime/container.

You use a plugin in pom.xml but Maven throws "MojoExecutionException". What’s likely missing?

• JDK

• Plugin dependency

• Classpath

• Maven repository

Which of the following goals is not a part of the Maven build lifecycle?

• validate

• package

• deploy

• merge

What happens if you forget to declare <groupId> in your dependency?

• It’s optional

• Build fails

• Maven assumes “default” group

• Compilation succeeds but runtime fails

You have this snippet in pom.xml:

What is its purpose?

• Downloads Java 11

• Configures Maven to use JDK 11 for compiling
  

• Specifies JVM version at runtime

• To define project dependencies.

Which of the following servlet code snippets will lead to a thread-safety issue?

• This servlet is thread-safe

• Only causes issue if counter is static

• Not thread-safe, as counter is shared among threads

• Will throw compilation error

What is the correct order of lifecycle methods in a servlet?

• service(), init(), destroy()
• init(), service(), destroy()
• init(), destroy(), service()
• destroy(), service(), init()

Consider the following web.xml snippet. What does it do?

• Loads servlet lazily

• Loads servlet only when mapped URL is hit

• Loads servlet eagerly at startup

• Prevents servlet from being initialized

In the doPost() method, if you don't set the content type before writing, what can happen?

• Response is blocked

• Browser displays garbled content

• Servlet gets restarted

• No issue at all