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About the test:

Java Android Online-test bruger spørgsmål om flere valg til at evaluere kandidater om deres viden og færdigheder relateret til Java og Android Fundamentals, brugergrænsefladedesign, aktivitet og fragmentlivscyklus, datalagring og hentning, netværkskommunikation, gevind og samtidighed og integration med tredje -Partiske biblioteker og API'er.

Covered skills:

  • Java Basics
  • Java Collections
  • Android -komponenter
  • Java -kodning
  • Java oops
  • Android Core Framework
  • Håndtering af Android -brugerinteraktion

9 reasons why
9 reasons why

Adaface Java & Android Test is the most accurate way to shortlist Java -udviklers



Reason #1

Tests for on-the-job skills

The Java & Android Online Test helps recruiters and hiring managers identify qualified candidates from a pool of resumes, and helps in taking objective hiring decisions. It reduces the administrative overhead of interviewing too many candidates and saves time by filtering out unqualified candidates at the first step of the hiring process.

The test screens for the following skills that hiring managers look for in candidates:

  • I stand til at skrive Java -kode ved hjælp af grundlæggende syntaks og datatyper
  • Dygtige til objektorienterede programmeringskoncepter i Java
  • Kyndige i Java Collections Framework og Data Structures
  • Bekendt med de centrale rammer for Android Development
  • I stand til at designe og implementere Android -komponenter
  • Dygtige til håndtering af Android -brugerinteraktioner
  • I stand til effektivt håndtering af undtagelser og fejl i Java
  • Erfarne med at bruge Java -kodningsprincipper og bedste praksis
Reason #2

No trick questions

no trick questions

Traditional assessment tools use trick questions and puzzles for the screening, which creates a lot of frustration among candidates about having to go through irrelevant screening assessments.

View sample questions

The main reason we started Adaface is that traditional pre-employment assessment platforms are not a fair way for companies to evaluate candidates. At Adaface, our mission is to help companies find great candidates by assessing on-the-job skills required for a role.

Why we started Adaface
Reason #3

Non-googleable questions

We have a very high focus on the quality of questions that test for on-the-job skills. Every question is non-googleable and we have a very high bar for the level of subject matter experts we onboard to create these questions. We have crawlers to check if any of the questions are leaked online. If/ when a question gets leaked, we get an alert. We change the question for you & let you know.

How we design questions

Dette er kun en lille prøve fra vores bibliotek med 10.000+ spørgsmål. De faktiske spørgsmål om dette Java & Android Test vil være ikke-gåbart.

🧐 Question

Easy

Custom Exception
Exception Handling
Custom Exceptions
Solve
What does the following code output?
 image

Hard

Holding References
Solve
What does the following Java code output?
 image

Medium

Abstract Interface
OOPs
Interfaces
Solve
Given following interface:
 image
Which of these are correct classes?
 image

Medium

Garbage Collection
Garbage Collection
Solve
After which line is "bs" object, created on Line 4, eligible for garbage collection?
 image

Hard

Static Init Blocks
OOPs
Solve
What does the following code output?
 image
1) G A B E D H
2) G B A D E H
3) G B A D E H C F
4) C F G A B E D H
5) C F G B A D E H
6) G C F A B E D H
7) G C F B A D E H

Easy

Intent & Activity
Solve
We want to pass a value to next activity in Android. Which of the following options are the right way to do it?
 image

Easy

Linear Layout
Solve
Check the following XML layout file. 
 image
What will the UI for this layout file look like?
1. An edit text to the right of a text view and a button beneath them
2. An edit text to the right of a text view and a button to the right of the text view
3. A text view, an edit text beneath it and the button beneath the edit text
4. An edit text to the left of a text view and a button beneath it

Easy

Registration Queue
Logic
Queues
Solve
We want to register students for the next semester. All students have a receipt which shows the amount pending for the previous semester. A positive amount (or zero) represents that the student has paid extra fees, and a negative amount represents that they have pending fees to be paid. The students are in a queue for the registration. We want to arrange the students in a way such that the students who have a positive amount on the receipt get registered first as compared to the students who have a negative amount. We are given a queue in the form of an array containing the pending amount.
For example, if the initial queue is [20, 70, -40, 30, -10], then the final queue will be [20, 70, 30, -40, -10]. Note that the sequence of students should not be changed while arranging them unless required to meet the condition.
⚠️⚠️⚠️ Note:
- The first line of the input is the length of the array. The second line contains all the elements of the array.
- The input is already parsed into an array of "strings" and passed to a function. You will need to convert string to integer/number type inside the function.
- You need to "print" the final result (not return it) to pass the test cases.

For the example discussed above, the input will be:
5
20 70 -40 30 -10

Your code needs to print the following to the standard output:
20 70 30 -40 -10

Medium

Visitors Count
Strings
Logic
Solve
A manager hires a staff member to keep a record of the number of men, women, and children visiting the museum daily. The staff will note W if any women visit, M for men, and C for children. You need to write code that takes the string that represents the visits and prints the count of men, woman and children. The sequencing should be in decreasing order. 
Example:

Input:
WWMMWWCCC

Expected Output: 
4W3C2M

Explanation: 
‘W’ has the highest count, then ‘C’, then ‘M’. 
⚠️⚠️⚠️ Note:
- The input is already parsed and passed to a function.
- You need to "print" the final result (not return it) to pass the test cases.
- If the input is- “MMW”, then the expected output is "2M1W" since there is no ‘C’.
- If any of them have the same count, the output should follow this order - M, W, C.
🧐 Question🔧 Skill

Easy

Custom Exception
Exception Handling
Custom Exceptions

2 mins

Java
Solve

Hard

Holding References

2 mins

Java
Solve

Medium

Abstract Interface
OOPs
Interfaces

2 mins

Java
Solve

Medium

Garbage Collection
Garbage Collection

2 mins

Java
Solve

Hard

Static Init Blocks
OOPs

2 mins

Java
Solve

Easy

Intent & Activity

2 mins

Android
Solve

Easy

Linear Layout

2 mins

Android
Solve

Easy

Registration Queue
Logic
Queues

30 mins

Coding
Solve

Medium

Visitors Count
Strings
Logic

30 mins

Coding
Solve
🧐 Question🔧 Skill💪 Difficulty⌛ Time
Custom Exception
Exception Handling
Custom Exceptions
Java
Easy2 mins
Solve
Holding References
Java
Hard2 mins
Solve
Abstract Interface
OOPs
Interfaces
Java
Medium2 mins
Solve
Garbage Collection
Garbage Collection
Java
Medium2 mins
Solve
Static Init Blocks
OOPs
Java
Hard2 mins
Solve
Intent & Activity
Android
Easy2 mins
Solve
Linear Layout
Android
Easy2 mins
Solve
Registration Queue
Logic
Queues
Coding
Easy30 minsSolve
Visitors Count
Strings
Logic
Coding
Medium30 minsSolve
Reason #4

1200+ customers in 75 countries

customers in 75 countries
Brandon

Med Adaface var vi i stand til at optimere vores indledende screeningsproces med op mod 75 %, hvilket frigjorde kostbar tid for både ansættelsesledere og vores talentanskaffelsesteam!


Brandon Lee, Leder af mennesker, Love, Bonito

Reason #5

Designed for elimination, not selection

The most important thing while implementing the pre-employment Java & Android Test in your hiring process is that it is an elimination tool, not a selection tool. In other words: you want to use the test to eliminate the candidates who do poorly on the test, not to select the candidates who come out at the top. While they are super valuable, pre-employment tests do not paint the entire picture of a candidate’s abilities, knowledge, and motivations. Multiple easy questions are more predictive of a candidate's ability than fewer hard questions. Harder questions are often "trick" based questions, which do not provide any meaningful signal about the candidate's skillset.

Science behind Adaface tests
Reason #6

1 click candidate invites

Email invites: You can send candidates an email invite to the Java & Android Test from your dashboard by entering their email address.

Public link: You can create a public link for each test that you can share with candidates.

API or integrations: You can invite candidates directly from your ATS by using our pre-built integrations with popular ATS systems or building a custom integration with your in-house ATS.

invite candidates
Reason #7

Detailed scorecards & benchmarks

Reason #7

Detailed scorecards & benchmarks

Along with scorecards that report the performance of the candidate in detail, you also receive a comparative analysis against the company average and industry standards.

View sample scorecard
Reason #8

High completion rate

Adaface tests are conversational, low-stress, and take just 25-40 mins to complete.

This is why Adaface has the highest test-completion rate (86%), which is more than 2x better than traditional assessments.

test completion rate
Reason #9

Advanced Proctoring


Learn more

About the Java & Android Assessment Test

Why you should use Pre-employment Java & Android Online Test?

The Java & Android Test makes use of scenario-based questions to test for on-the-job skills as opposed to theoretical knowledge, ensuring that candidates who do well on this screening test have the relavant skills. The questions are designed to covered following on-the-job aspects:

  • Java Basics
  • Java oops
  • Java Collections
  • Android Core Framework
  • Android -komponenter
  • Håndtering af Android -brugerinteraktion
  • Java -kodning
  • Håndtering af undtagelser og fejl i Java
  • Forståelse af arv og polymorfisme i Java
  • Arbejder med datastrukturer og algoritmer i Java

Once the test is sent to a candidate, the candidate receives a link in email to take the test. For each candidate, you will receive a detailed report with skills breakdown and benchmarks to shortlist the top candidates from your pool.

What topics are covered in the Java & Android Online Test?

  • java basics

    java grundlæggende henviser til de grundlæggende koncepter og syntaks for Java -programmeringssproget. Det inkluderer viden om datatyper, variabler, kontrolstrukturer og grundlæggende input/output -operationer. Denne færdighed skal måles i testen for at sikre, at kandidater har et stærkt fundament i Java-programmering, da det udgør grundlaget for mere avancerede emner.

  • java oops

    java oops (objekt- Orienteret programmering) involverer forståelse af principperne for indkapsling, arv, polymorfisme og abstraktion i Java. Denne færdighed giver udviklere mulighed for at skrive modulære, vedligeholdelige og genanvendelige koder. Det er vigtigt at vurdere denne færdighed i testen for at evaluere en kandidats evne til at implementere effektive og skalerbare Java -løsninger.

  • java -samlinger

    java -samlinger er en ramme, der giver implementeringer af almindeligt anvendte Datakonstruktioner såsom lister, sæt og kort. Det er vigtigt for udviklere at være dygtige til denne færdighed til at manipulere og gemme data effektivt. Evaluering af denne færdighed i testen giver rekrutterere mulighed for at måle en kandidats færdigheder i at bruge disse datakonstruktioner til løsning af virkelige problemer Væsentlige klasser og biblioteker, der letter udviklingen af ​​Android -applikationer. Det inkluderer komponenter som aktivitet, service, indholdsprovider og intention. Måling af denne færdighed i testen hjælper rekrutterere med at vurdere en kandidats forståelse af kernebyggene for Android -applikationer.

  • Android -komponenter </H4> <p> Android -komponenter er byggestenene til en Android -applikation, såsom en Android -applikation, såsom aktiviteter, fragmenter og synspunkter. Denne færdighed er vigtig at vurdere i testen, da den demonstrerer en kandidats evne til at designe og strukturere brugergrænsefladen og funktionaliteten af ​​en Android -app Håndtering involverer optagelse og reaktion på brugerhandlinger inden for en Android -applikation, såsom knapklik, bevægelser og berøringsbegivenheder. Det er vigtigt at vurdere denne færdighed i testen for at sikre, at kandidater kan skabe intuitive og lydhøre brugeroplevelser i deres Android -apps. </p> <h4> java -kodning

    java -kodning er evnen til at skrive rent, Effektiv og læsbar kode ved hjælp af Java -programmeringssprog. Denne færdighed omfatter skrivealgoritmer, implementerer datastrukturer og anvender bedste praksis inden for Java -udvikling. Evaluering af denne færdighed i testen giver rekrutterere mulighed for at måle en kandidats kodningsevner og deres evne til at løse programmeringsudfordringer effektivt.

  • Full list of covered topics

    The actual topics of the questions in the final test will depend on your job description and requirements. However, here's a list of topics you can expect the questions for Java & Android Test to be based on.

    Variabler
    Operatører
    Betingede udsagn
    Loops
    Metoder
    Arv
    Polymorfisme
    Abstraktion
    Indkapsling
    ArrayList
    Hashmap
    LinkedList
    Stak
    Tråd
    Asynctask
    Aktivitet
    Fragment
    Service
    Broadcast -modtager
    Hensigt
    Layouts
    Synspunkter
    Begivenhedshåndtering
    UI -widgets
    Undtagelseshåndtering
    Fil I/O
    Netværk
    SQLITE -database
    Delte præferencer
    Recyclerview
    Adapter
    Visningsholder
    Firebase
    JSON PARSING
    Tilladelser
    Dialogboks
    Ristet brød
    Testning
    Fejlfinding
    Logning
    Lambda -udtryk
    Generics
    Multithreading
    Designmønstre
    Synkronisering
    Serialisering
    Lambda -udtryk
    Undtagelseshåndtering
    Rekursion
    Sortering
    Søger
    Datakonstruktioner
    Algoritmeanalyse
    Hukommelsesstyring
    Kodning af bedste praksis
    Kode refactoring

What roles can I use the Java & Android Online Test for?

  • Java -udvikler
  • Android -udvikler
  • Senior Android -udvikler
  • Mobilapp -udvikler

How is the Java & Android Online Test customized for senior candidates?

For intermediate/ experienced candidates, we customize the assessment questions to include advanced topics and increase the difficulty level of the questions. This might include adding questions on topics like

  • Implementering af MVC -arkitektur i Android
  • Brug af intentioner og forsætningsfiltre i Android
  • Design og implementering af brugerdefinerede visninger i Android
  • Brug af Android XML -layouts og ressourcer effektivt
  • Håndtering af brugerinput og berøringsbegivenheder i Android
  • Implementering af multithreading og baggrundsopgaver i Java
  • Arbejde med databaser og SQLite i Android
  • Oprettelse og styring af fragmenter i Android
  • Test og fejlsøgning af Android -applikationer
  • Opbygning af responsive og effektive brugergrænseflader i Android
  • Optimering af kode og ydeevne i Java og Android

The coding question for experienced candidates will be of a higher difficulty level to evaluate more hands-on experience.

Singapore government logo

Ansættelseslederne mente, at de gennem de tekniske spørgsmål, som de stillede under panelinterviewene, var i stand til at fortælle, hvilke kandidater der havde bedre score, og differentieret med dem, der ikke scorede så godt. De er meget tilfreds med kvaliteten af ​​de kandidater, der er nomineret med Adaface-screeningen.


85%
Reduktion i screeningstid

Java & Android Hiring Test Ofte stillede spørgsmål

Kan jeg kombinere flere færdigheder i en brugerdefineret vurdering?

Ja absolut. Brugerdefinerede vurderinger er oprettet baseret på din jobbeskrivelse og vil omfatte spørgsmål om alle must-have-færdigheder, du angiver.

Har du nogen anti-cheating eller proctoring-funktioner på plads?

Vi har følgende anti-cheating-funktioner på plads:

  • Ikke-gåbare spørgsmål
  • IP Proctoring
  • Webproctoring
  • Webcam Proctoring
  • Detektion af plagiering
  • Sikker browser

Læs mere om Proctoring Features.

Hvordan fortolker jeg testresultater?

Den primære ting at huske på er, at en vurdering er et elimineringsværktøj, ikke et udvælgelsesværktøj. En færdighedsvurdering er optimeret for at hjælpe dig med at eliminere kandidater, der ikke er teknisk kvalificerede til rollen, den er ikke optimeret til at hjælpe dig med at finde den bedste kandidat til rollen. Så den ideelle måde at bruge en vurdering på er at beslutte en tærskelværdi (typisk 55%, vi hjælper dig med benchmark) og inviterer alle kandidater, der scorer over tærsklen for de næste interviewrunder.

Hvilken oplevelsesniveau kan jeg bruge denne test til?

Hver Adaface -vurdering tilpasses til din jobbeskrivelse/ ideel kandidatperson (vores emneeksperter vælger de rigtige spørgsmål til din vurdering fra vores bibliotek på 10000+ spørgsmål). Denne vurdering kan tilpasses til ethvert erfaringsniveau.

Får hver kandidat de samme spørgsmål?

Ja, det gør det meget lettere for dig at sammenligne kandidater. Valgmuligheder for MCQ -spørgsmål og rækkefølgen af ​​spørgsmål randomiseres. Vi har anti-cheating/proctoring funktioner på plads. I vores virksomhedsplan har vi også muligheden for at oprette flere versioner af den samme vurdering med spørgsmål om lignende vanskelighedsniveauer.

Jeg er kandidat. Kan jeg prøve en øvelsestest?

Nej. Desværre understøtter vi ikke praksisforsøg i øjeblikket. Du kan dog bruge vores eksempler på spørgsmål til praksis.

Hvad er omkostningerne ved at bruge denne test?

Du kan tjekke vores prisplaner.

Kan jeg få en gratis prøve?

Ja, du kan tilmelde dig gratis og forhåndsvise denne test.

Jeg flyttede lige til en betalt plan. Hvordan kan jeg anmode om en brugerdefineret vurdering?

Her er en hurtig guide til hvordan man anmoder om en brugerdefineret vurdering på adaface.

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40 min tests.
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