LATEST REVATURE PANEL STUDY GUIDE
2024/2025 QUESTIONS WITH 100% CORRECT
ANSWERS
What is the Maven Lifecycle? - CORRECT ANSWER -Validate the project is correct
and all the info is available
-Compile the source code of the project
-Test the compiled source Code
-Package the Code into distributable format
-Verify checks on results of integration tests
-Install the package into the local repository
-Deploy the final package
What is the thread lifecycle? - CORRECT ANSWER -New
-Runnable
-Running
-Blocked(Can happen)
-Terminated
What is the defect Lifecycle? - CORRECT ANSWER -Detect the defect or bug
-Assign to a coder
-Set aside for later
-Discard as it isn't a bug
-Reassign to a new programmer
-Fix the bug
,LATEST REVATURE PANEL STUDY GUIDE
2024/2025 QUESTIONS WITH 100% CORRECT
ANSWERS
-If fixed, the bug is verified as fixed by another party
-Closed
What is the Servlet LifeCycle? - CORRECT ANSWER -Servlet Class is loaded into the
Servlet Container
-Servlet Class is instantiated
-Init() is called and run only once
-Lazy init() is called on 1st request to the servlet
-Eager init() called as soon as the app starts
-Service() is called each time a request is made
-Destroy() is called once when the app is shut down
What is Java? - CORRECT ANSWER -Platform independent programming language
designed to run in a network environment
-It is primarily an OOP based language
-It has many libraries
What is the JVM? - CORRECT ANSWER A virtual machine that runs compiled Java
code on any CPU.
What is the JDK? - CORRECT ANSWER -Java Development Kit
-Creates and compiles Java code
, LATEST REVATURE PANEL STUDY GUIDE
2024/2025 QUESTIONS WITH 100% CORRECT
ANSWERS
What is the JRE? - CORRECT ANSWER -The Java Runtime Environment
-It provides the classes and libraries used at runtime
What method is used in garbage collection? - CORRECT ANSWER System.gc()
What is the garbage collector used for? - CORRECT ANSWER It is an automated
process which will free the memory in the heap. It removes objects that are no longer in
use
What is heap? - CORRECT ANSWER The heap is the region in memory where
Objects are stored.
What is stack? - CORRECT ANSWER It holds all of the variables, methods, and
references to the objects
What is the difference between String Builder and String Buffer? - CORRECT ANSWER
-StringBuilder is a mutable String, and we can use StringBuilder reverse() to reverse a
String. It is also synchronized which String Buffer is not
-StringBuffer is thread safe and similar to StringBuilder
What are the primitives in Java? - CORRECT ANSWER -boolean
-byte
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