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Adaface Public Java Questions

Here are some sample Java questions from our premium questions library (10273 non-googleable questions).
🧐 Pytanie🔧 Umiejętność💪 Trudność⌛ Czas
Wyjątek niestandardowy - What does the following code o
JawaŁatwo2 min
Trzymanie referencji - What does the following Java c
JawaŚredni2 min
Abstrakcyjny interfejs - Biorąc pod uwagę następujący interfejs:
OOPs Interfaces
JawaŚredni2 min
Zbieranie śmieci - After which line is "bs" objec
Garbage Collection
JawaŚredni2 min
Statyczne bloki init. - What does the following code o
JawaŚredni2 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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Want more questions? Here are some more sample questions from our library
🧐 Question🔧 Skill💪 Difficulty⌛ Time
Loops - What are fourth and sixth line
Shell ScriptingEasy2 min
Logic Black Box - Consider the following logic b
Embedded CMedium3 min
Links - In the following HTML, what wi
HTML/CSSMedium2 min
Dataframe Transform - Review the following Dataframe
RMedium3 min
Rewards Activities Order - A new popular app tracks the a
Database Connection
Technical AptitudeMedium3 min
Custom Exception - What does the following code o
JavaEasy2 min
Select & IN - Consider the following SQL tab
SQLEasy3 min

Oceniliśmy kilku swoich konkurentów i znaleźliśmy adafce być najbardziej atrakcyjnym. Świetna domyślna biblioteka pytań, które są zaprojektowane do testowania dla dopasowania, a nie zapamiętywania algorytmów.

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