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Adaface Public Java Questions

Here are some sample Java questions from our premium questions library (10273 non-googleable questions).
🧐 Fråga🔧 Skicklighet💪 Svårighet⌛ Tid
Anpassat undantag - What does the following code o
JavaLätt2 min
Hållande referenser - What does the following Java c
JavaMedium2 min
Abstrakt gränssnitt - Givet följande gränssnitt:
OOPs Interfaces
JavaMedium2 min
Skräp samling - After which line is "bs" objec
Garbage Collection
JavaMedium2 min
Statiska initblock - What does the following code o
JavaMedium2 min

Adaface Java questions are used by enterprises worldwide

Morgan Stanley
SG Government
Ernst and Young
Optimum Solutions
United Nations
Love Bonito

About Adaface Java Questions

Questions are designed by experts in the Java programming language to test for on-the-job skills. Some of the popular topics the questions will cover are:

  • Data types, variables, and arrays
  • Operators and control statements
  • Java Environment and OOP concepts
  • Arrays
  • Functions
  • Classes and methods
  • Inheritance
  • Regular expressions
  • Loops
  • Abstract Classes
  • String handling
  • OOPS
  • Design patterns
  • Multithreading
  • Exceptions

Types of Java Questions to expect at Adaface:

The following statements describe the type of Java questions one can expect when using Adaface's pre-assessment tool:

  • Practical implication based Java queries
  • Real on-the-job Java specific scenario-based problems
  • Evaluations to test analytical thinking while solving problems
  • Progressive difficulty based Java problems

What Topics are Adaface Java questions based on:

The Adaface Java questions cover a variety of diverse topics to help assess the most ideal Java candidate

  • Instance Variables
  • Local Variables
  • Data Encapsulation
  • Constructor overloading
  • Method overloading
  • Method Overriding
  • Multiple Catch blocks
  • Object Cloning
  • Exception
  • Inheritance
  • Synchronization
  • Double Brace Initialisation
  • Garbage Collection in Java
  • Looping
  • Hashmap
  • Hashtable
  • Enumeration

How are Adaface Java questions customized?

  • Adaface Java questions are customized for different difficulty levels and solving durations
  • Customized to assess Ideal candidate personas for right jobs
  • Tests for specific on-the-job Java skills
  • Non-googleable questions to prevent cheating during tests

Do’s and Don’ts of selecting Java questions for assessments:


  • Use diversified questions from varied Java topics to test the skill range of candidates
  • Utilize questions of different difficulty levels to test candidates
  • Include questions that are related to on-the-job skill requirements
  • Pick questions that are relevant for the experience level you are targeting
  • Make sure the questions can be understood by a non-native English speaker (easy-to-read questions because programmers should spend time solving the question, not understanding it)
  • Ensure that the questions have a granular (non-binary) scoring
  • Use aptly timed assessments that can be fulfilled within 45-60 mins to make the most optimal use of the time utilized


  • Avoid using trick questions to test the candidates as they are ineffective in testing their on-the-job skills
  • Avoid using lengthy questions as they do not provide an ideal scenario to test the candidates
  • Avoid unnecessary puzzle trends as they are ineffective in assessing the skills required for the job
  • Avoid questions that test very niche concepts that a strong candidate might or might not have come across on-the-job
  • Do not include unnecessarily difficult questions that might or might not test the candidates potential
Search Adaface Public Questions
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🧐 Question🔧 Skill💪 Difficulty⌛ Time
DROP SUM bar - What will the following Postgr
PostgreSQLEasy2 min
Go Interfaces Errors - Consider the following Go code
OOPs Interfaces
GoMedium2 min
ViewState - In ASP.NET which of the follow
ASP.NETEasy2 min
Performance Improvement - Jupiter Inc. is facing perform
SAP HANAEasy2 min
Washing machine ads - Ruhi owns an online store that
Google AdwordsHard2 min
Mystery function return value - What do you think mystery(15,
CS FundamentalsEasy2 min
Remote network resources - Review the following exhibit:
Computer NetworksMedium3 min

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