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OOAD (Object Oriented Analysis Design) Test

About the test:

Den OOAD (objektorienteret analyse og design) online test bruger scenariebaserede MCQ'er til at evaluere kandidater om deres forståelse af principperne, koncepter og teknikker, der er involveret i design af objektorienterede softwaresystemer. Testen vurderer kandidater om deres viden om indsamling af krav, brug af sagsmodellering, klasse- og objektmodellering, interaktionsmodellering og statsmodellering. Det evaluerer deres fortrolighed med designmønstre, anti-mønster og refactoring-teknikker samt deres evne til at anvende UML (samlet modelleringsprog) i modellering og design af softwaresystemer.

Covered skills:

  • Objektorienterede koncepter
  • Klassemodellering
  • Statsmodellering
  • Designmønstre
  • Brug sagsmodellering
  • Interaktionsdiagrammer
  • Objektorienterede designprincipper
  • Arkitektonisk design

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9 reasons why
9 reasons why

Adaface OOAD (Object Oriented Analysis Design) Assessment Test is the most accurate way to shortlist Java Developer (Ooad)s



Reason #1

Tests for on-the-job skills

The OOAD (Object Oriented Analysis Design) 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 anvende objektorienterede analyse og designprincipper
  • Dygtige i brugssagsmodellering til systemkrav
  • Dygtige til at oprette klassediagrammer til at repræsentere systemkomponenter
  • I stand til at oprette interaktionsdiagrammer for at illustrere systemadfærd
  • I stand til at modellere systemtilstande ved hjælp af statsdiagrammer
  • Bekendt med objektorienterede designprincipper
  • Vidende i designmønstre til effektiv softwaredesign
  • Dygtige i arkitektonisk design til skalerbare systemer
  • I stand til at anvende objektorienterede koncepter inden for softwareudvikling
  • Erfaret i teknisk evne til problemløsning
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
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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 Ooad (objektorienteret analyse design) test vil være ikke-gåbart.

🧐 Question

Hard

Graph Traversal and Data Storage
Graph Theory
Algorithm Analysis
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Consider the following pseudo code implementing a specific graph traversal algorithm:
 image
What is the order in which the nodes are processed, and which data structure best represents the graph `G` for efficient traversal?

Medium

Implementing a Browser's Back Button
Stack
Data Handling
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You are tasked with implementing the "Back" button functionality in a web browser. This feature allows users to return to previously visited web pages in the order they were viewed. The browser maintains a history of URLs in a data structure. Considering the nature of web browsing, where users can go back multiple steps and then navigate to a new page (at which point the future history should be cleared), which data structure and algorithm would best implement this functionality?
A: Use a heap, add the current URL when navigating to a new page, and remove the top element when the back button is used.
B: Use a queue, enqueue the current URL when navigating to a new page, and dequeue when the back button is used.
C: Use a single stack, push the current URL when navigating to a new page, and pop when the back button is used.
D: Use an array, add the current URL to the end when navigating to a new page, and remove the last URL when the back button is used.
E: Use a linked list, add the current URL to the head when navigating to a new page, and move backwards when the back button is used.
F: Use two stacks, push the current URL to the first stack when navigating to a new page, and use the second stack to store the pages when the back button is used.

Easy

Linked List Element Removal
Linked Lists
Element Removal
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Consider a singly linked list where each node contains an integer value. Write a function `removeElement` that removes all occurrences of a specific value from the linked list. The function should return the head of the modified linked list.

Pseudo code:
 image
What will be the content of the linked list referred to by `result` after executing the above pseudo code?

Easy

Patient Consultation
Use Case Diagram
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How would you model the following situation with a use case UML diagram?
A doctor does a patient consultation together with the nurse. The nurse always has to write the notes during the consultation.
 image
 image
 image
 image

Medium

Vertical Fork
Activity Diagram
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Review the following activity diagram:
 image
Which of the following action sequences are possible during one execution of the activity diagram?
A: 1 → 2 → 4
B: 1 → 3 → 2 → 4
C: 1 → 2 → 4 → 3
D: 1 → 2 → 3 → 4

Medium

Decryptor
Strings
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What does the following pseudo code print?
 image

Hard

Fibonacci codes
Time Complexity
Pseudo Code
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Here are three pseudocodes for calculating the Nth Fibonacci number. Which of the following statements about these codes are true?
 image
A: Time complexity/efficiency of CODE 1, CODE 2, CODE 3 is the same.
B: CODE 2 is more space-efficient than CODE 3.
C: CODE 3 is more space-efficient than CODE 2.
D: CODE 2 is more time-efficient than CODE 1.
E: CODE 3 is more time-efficient than CODE 1.

Hard

Palindrome Test cases
Strings
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Go through the following faulty palindrome detection pseudocode and test cases. For which of the test cases would the code return true?
 image
Testcases
A: a
B: aba
C: aaa
D: aac

Medium

Rewards Activities Order
Database Connection
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A new popular app tracks the activities performed by its users and grants them rewards based on each individual's total activities performed in a year. This data is maintained in a database table (activitesinfo), with the following columns: userid, totalactivities, reward. This year, due to fundraising activity, the company has decided to further reward its users by enhancing the reward as per the following formula: If reward < = 4000, increase it by 2%, If 4000 < reward <= 8000, increase it by 4%, If reward > 8000, increase it by 6%.
The tech team has written three different scripts to calculate increment for each slab, each script is to run as a separate transaction. Here are the three scripts:
Script 1:
For users with reward <= 4000, set reward = reward * 1.02

Script 2:
For users with reward > 4000 and reward <= 8000, set reward = reward * 1.04

Script 3:
For users with reward > 8000, set reward = reward * 1.06
Each script is to be executed separately. Which of the following options will update the rewards as expected:
A: Execute Script 1 followed by Script 2 followed by Script 3
B: Execute Script 2 followed by Script 3; Script 1 running concurrently throughout
C: Execute Script 3 followed by Script 2; Script 1 running concurrently throughout
D: Execute Script 3 followed by Script 2 followed by Script 1
E: Execute Script 2 followed by Script 3 followed by Script 1
🧐 Question🔧 Skill

Hard

Graph Traversal and Data Storage
Graph Theory
Algorithm Analysis

3 mins

Data Structures
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Medium

Implementing a Browser's Back Button
Stack
Data Handling

2 mins

Data Structures
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Easy

Linked List Element Removal
Linked Lists
Element Removal

2 mins

Data Structures
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Easy

Patient Consultation
Use Case Diagram

2 mins

UML
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Medium

Vertical Fork
Activity Diagram

3 mins

UML
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Medium

Decryptor
Strings

2 mins

Technical Aptitude
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Hard

Fibonacci codes
Time Complexity
Pseudo Code

2 mins

Technical Aptitude
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Hard

Palindrome Test cases
Strings

2 mins

Technical Aptitude
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Medium

Rewards Activities Order
Database Connection

3 mins

Technical Aptitude
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🧐 Question🔧 Skill💪 Difficulty⌛ Time
Graph Traversal and Data Storage
Graph Theory
Algorithm Analysis
Data Structures
Hard3 mins
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Implementing a Browser's Back Button
Stack
Data Handling
Data Structures
Medium2 mins
Try practice test
Linked List Element Removal
Linked Lists
Element Removal
Data Structures
Easy2 mins
Try practice test
Patient Consultation
Use Case Diagram
UML
Easy2 mins
Try practice test
Vertical Fork
Activity Diagram
UML
Medium3 mins
Try practice test
Decryptor
Strings
Technical Aptitude
Medium2 mins
Try practice test
Fibonacci codes
Time Complexity
Pseudo Code
Technical Aptitude
Hard2 mins
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Palindrome Test cases
Strings
Technical Aptitude
Hard2 mins
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Rewards Activities Order
Database Connection
Technical Aptitude
Medium3 mins
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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

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Reason #5

Designed for elimination, not selection

The most important thing while implementing the pre-employment Ooad (objektorienteret analyse design) 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 Ooad (objektorienteret analyse design) 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

Se prøvescorekort
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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 OOAD (Object Oriented Analysis Design) Online Test

Why you should use Pre-employment OOAD (Object Oriented Analysis Design) Test?

The Ooad (objektorienteret analyse design) 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:

  • Evne til at anvende objektorienterede koncepter inden for softwareudvikling
  • Stærk forståelse af brugssagsmodellering og dens relevans i systemanalyse
  • Færdighed i klassemodellering og design af robuste klassestrukturer
  • Ekspertise i at skabe interaktionsdiagrammer for at illustrere systemadfærd
  • Grundig viden om statsmodellering og dens anvendelse i systemdesign
  • Praktisk forståelse af objektorienterede designprincipper til at skabe skalerbare løsninger
  • Fortrolighed med almindelige designmønstre og deres implementering i softwarearkitektur
  • Evne til at udføre arkitektonisk design til komplekse systemer
  • Erfaring med at anvende UML (Unified Modelling Language) til systemanalyse og design
  • Dygtige til kodning og problemløsningsevner med fokus på objektorienteret programmering

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 OOAD (Object Oriented Analysis Design) Test?

  • Brug sagsmodellering:

    Brug sag Modellering er en teknik, der bruges til at identificere og definere de funktionelle krav i et system fra brugerens perspektiv. Det hjælper med at forstå, hvordan brugere interagerer med systemet og muliggør identifikation af forskellige scenarier, hvilket sikrer omfattende dækning af systemfunktionalitet.

  • Klassemodellering:

    Klassemodellering involverer identifikation og definition af klasser, deres attributter og relationer i et softwaresystem. Denne færdighed er vigtig at måle, når den vurderer kandidatens evne til at designe en effektiv klassestruktur, der nøjagtigt repræsenterer systemets enheder og deres indbyrdes afhængighed.

  • interaktionsdiagrammer:

    Interaktionsdiagrammer, såsom Diagrammer Sekvensdiagrammer og samarbejdsdiagrammer bruges til at visualisere den dynamiske opførsel af et softwaresystem. Måling af denne færdighed hjælper med at vurdere kandidatens færdigheder i at repræsentere og analysere samspillet mellem objekter under runtime.

  • statsmodellering:

    tilstandsmodellering involverer identifikation og repræsentation af forskellige tilstande, som et objekt kan Overgang igennem i løbet af sin levetid. Evaluering af denne færdighed hjælper med at måle kandidatens forståelse af modellering af statsbaserede systemer og deres evne til at designe og styre komplekse statsovergange.

  • objektorienterede designprincipper:

    Objektorienterede designprincipper , såsom solide principper, hjælper med at guide design og udvikling af softwaresystemer. Evaluering af denne færdighed er vigtig for at bestemme kandidatens viden om disse principper og deres evne til at anvende dem effektivt i design af skalerbare og vedligeholdelige softwaresystemer.

  • Designmønstre:

    Designmønstre er beviste løsninger At tilbagevendende designproblemer inden for softwareudvikling. Måling af denne færdighed hjælper med at vurdere kandidatens fortrolighed med almindelige designmønstre og deres evne til at udnytte dem til at løse designudfordringer og forbedre kodemodularitet og genanvendelighed.

  • Arkitektonisk design:

    Arkitektonisk design involverer Strukturering og organisering af et softwaresystem på højt niveau. Evaluering af denne færdighed er afgørende for at bestemme kandidatens evne til at designe skalerbare, robuste og vedligeholdelige arkitekturer, der er i overensstemmelse med systemets krav og forretningsmæssige mål.

  • 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 Ooad (objektorienteret analyse design) test to be based on.

    Objektorienterede koncepter
    Brug sagsmodellering
    Klassemodellering
    Interaktionsdiagrammer
    Statsmodellering
    Objektorienterede designprincipper
    Designmønstre
    Arkitektonisk design
    Abstraktion
    Indkapsling
    Arv
    Polymorfisme
    Forening
    Aggregering
    Sammensætning
    Afhængighed
    Generalisering
    erkendelse af
    Brug sagsdiagrammer
    Aktivitetsdiagrammer
    Sekvensdiagrammer
    Kommunikationsdiagrammer
    Samarbejdsdiagrammer
    Tilstandsdiagrammer
    Adfærdsmodellering
    Enhedsrelationsdiagrammer
    CRC -kort
    Kobling
    Samhørighed
    Enkelt ansvarsprincip
    Åben lukket princip
    Liskov Substitution Principle
    Interfacesegregeringsprincip
    Afhængighedsinversionsprincip
    Fabriksmønster
    Singleton -mønster
    Builder mønster
    Adaptermønster
    Dekoratørmønster
    Observatørmønster
    Kommando mønster
    Strategimønster
    Skabelonmetodemønster
    Prototype mønster
    Sammensatte mønster
    Fasademønster
    Proxy mønster
    MVC Arkitektur
    Layered Architecture
    Microservices Arkitektur
    Klient-serverarkitektur
    Afslappende arkitektur
    Begivenhedsdrevet arkitektur
    Serviceorienteret arkitektur
    Model-view-controller mønster
    Domændrevet design
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What roles can I use the OOAD (Object Oriented Analysis Design) Test for?

  • Java Developer (Ooad)
  • Software ingeniør
  • Systemanalytiker
  • Softwarearkitekt

How is the OOAD (Object Oriented Analysis Design) 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

  • Stærk greb om datastrukturer og deres effektive brug i softwareudvikling
  • Solid forståelse af teknisk evne og evne til at løse komplekse tekniske problemer
  • Erfaring med at anvende Ooad -principper til design af skalerbar og vedligeholdelig software
  • Kendskab til at bruge UML -diagrammer til at kommunikere effektivt med interessenter
  • Ekspertise i anvendelse af designmønstre for at forbedre kodegenanvendelighed og vedligeholdelighed
  • Demonstreret evne til at skabe effektive og intuitive brugergrænseflader ved hjælp af Ooad
  • Forståelse af arkitektoniske designprincipper og evne til at designe modulære systemer
  • Dygtige til at analysere systemkrav og skabe effektive brugssagsmodeller
  • Erfaring med at designe klassediagrammer, der nøjagtigt repræsenterer systemstruktur
  • Evne til at skabe omfattende interaktionsdiagrammer for at skildre systemadfærd
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

OOAD (Object Oriented Analysis Design) 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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