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Java & SQL Test

🕒 Allotted Time: approx 40 mins

🧐 Questions:

  • 5 Java MCQs
  • 5 SQL MCQs
  • 1 Java Coding Question

⚙️ Customized Based On:

  • Experience/ difficulty level
  • Multiple skills in 1 assessment
  • Job description/ role requirements

🧪 Test Options:

  • Preset test: 0 setup time
  • Customized test: < 48 hour setup time

📝 Topics:

Change of one data type to another, like string to another data type and vice versa

Java Conversion Programs

Use it to execute and run java codes in runtime environments

Java Virtual Machine

Execution of the most common Java basic problems like Fibonacci series, prime numbers, factorials, palindrome, etc.

Java Basic Programs

Use for navigation between front and back data, implement undo-redo features, construct most recently used and least recently used cache, and construct different data structures such as hash tables, stacks, etc.

Doubly Linked List Programs

Provides the class libraries and resources used to run a java program

Java Runtime Environment

Use for applications that need visiting each node equally and the list grows

Circular Linked List Programs

Use it to create a structured and hierarchical data format.

Tree Programs

Development environment for building applications, applets, and components using the Java programming language

Java Development Kit

Use it to call specific methods during runtime.

Just-in-Time(JIT) Compiler

Use to store multiple values in a single variable.

Java Array Programs
See full list

Sample Adaface Java & SQL Questions

These are just a small sample from our library of 10,000+ questions. The actual questions on this test will be non-googleable.

How to use the Adaface Java & SQL test

Start screening candidates within minutes with the Adaface Java & SQL ready-to-go test

1. Choose the most appropriate test for your role

2. Start inviting candidates to complete the assessment

3. Receive real time notifications and shortlist the best candidates

OR Customize the Adaface Java & SQL Test according to your job description

1. Get a custom assessment from our library of 700+ skills within 48 hours

2. Start inviting candidates to complete the assesment

3. Receive real time notifications and shortlist the best candidates

Adaface Java & SQL test is trusted by enterprises worldwide

amazon
PayPal
Morgan Stanley
Adidas
SG Government
Neilsen
UCLA
Ernst and Young
Microsoft
WeWork
Bosch
Optimum Solutions
SAP
Doubtnut
Deloitte
HCL
FusionCharts
United Nations
Love Bonito
ZiMetrics
MTM

About the Adaface Java & SQL Test

Topics:

Change of one data type to another, like string to another data type and vice versa

Java Conversion Programs

Use it to execute and run java codes in runtime environments

Java Virtual Machine

Execution of the most common Java basic problems like Fibonacci series, prime numbers, factorials, palindrome, etc.

Java Basic Programs

Use for navigation between front and back data, implement undo-redo features, construct most recently used and least recently used cache, and construct different data structures such as hash tables, stacks, etc.

Doubly Linked List Programs

Provides the class libraries and resources used to run a java program

Java Runtime Environment

Use for applications that need visiting each node equally and the list grows

Circular Linked List Programs

Use it to create a structured and hierarchical data format.

Tree Programs

Development environment for building applications, applets, and components using the Java programming language

Java Development Kit

Use it to call specific methods during runtime.

Just-in-Time(JIT) Compiler

Use to store multiple values in a single variable.

Java Array Programs

Use to recycle memory no longer being used by java application

Garbage Collector

Execution of the most common Java string programs like Anagrams, reverse strings, convert string to integer, palindrome, etc.

Java String Programs

Execution of most common Java Matrix programs like, add two matrices, multiplication of matrices, transpose, inverse, etc.

Java Matrix Programs

Execution of most common java Search and Sort programs like, Merge sort, bubble sort, binary search, etc.

Java Searching and Sorting Programs

Execution of the most common Java pattern programs like diamond, pyramid, downward triangle, reversed star, etc.

Pattern programs

Use it to implement Stacks and Ques in Java

Singly Linked List Programs
Core Java
Data Types
Threads
Servlets
OOPs
Classes

Keys are used to establish and identify relationships between tables and also to uniquely identify any record or row of data inside a table.

Relational Keys

A SELECT query retrieves zero or more rows from one or more database tables or database views.

Select Queries

A JOIN clause is used to combine rows from two or more tables, based on a related column between them.

Joins
Data Modelling
Fact and Dimension Table Types

A star schema is a logical database design that is included in decision support applications.

Star Schema
Snow Flake Schema

Conditional statements are used to define what logic is to be executed based on the status of some condition being satisfied.

Conditions

In SQL, a view is a virtual table based on the result-set of an SQL statement.

Views

SQL constraints are used to specify rules for the data in a table.

Constraints
Create table
Database schema

The SELECT statement is used to select data from a database.

Select
Create index
Server
Performance Tuning

An ENUM is a string object with a value chosen from a list of permitted values that are enumerated explicitly in the column specification at table creation time.

ENUM
Optimization
String functions

The GROUP BY Statement in SQL is used to arrange identical data into groups with the help of some functions.

GROUP BY
DELETE
Aggregation

An SQL trigger is a database object which fires when an event occurs in a database.

Triggers
CTE
JSON
Ordering
Columns

The UNION operator is used to combine the result-set of two or more SELECT statements.

UNION
CHAR
Heap Table

An SQL key is either a single column (or attribute) or a group of columns that can uniquely identify rows (or tuples) in a table.

Keys
SELECT

The SQL Like is a logical operator that is used to determine whether a specific character string matches a specified pattern.

LIKE
Storage

A transaction is the logical work unit that performs a single activity or multiple activities in a database.

Transaction
Database Schema
Query

SQL index is a quick lookup table for finding records users need to search frequently.

Index

Distribution Of Test Scores

The actual score distributon will vary based on your candidate pipeline quality, but you should typically expect ~20% of the candidates to do well on Adaface assessments.

The score distribution for our assessments follow the normal curve. This is a good sign- standardized tests like SAT and GRE follow the normal distribution (bell curve).

Status quo assessments typically have the exact opposite of the bell curve (too many candidates getting close to 0, too many candidates getting close to 100 and too few candidates in the middle). This is typically because they focus on theoretical questions or trick questions, which are very binary in nature- either you know the trick/ theory or you don’t.

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How Adaface Is Different

Adaface conversational assessments are reflective of on-the-job skills and see an 86% completion rate as compared to ~50% for traditional assessment platforms.

OLD WAY

TRADITIONAL TESTS

Theoretical questions/ puzzles

Feels like a test

One-size-fits-all assessments

😞
HIRE IN
Weeks/Months

NEW WAY

ADAFACE ASSESSMENTS

Questions for on-the-job skills

Conversational

Customized
assessments

😀️
HIRE IN
Days

FAQs

What is a custom assessment?

Every role is different and requires a custom assessment to identify top candidates efficiently. Adaface subject matter experts understand your job description/ role requirements and pick the most relevant questions from our library of 10000+ questions to create a technical assessment that helps you find the qualified candidates in your candidate pipeline quickly. All custom assessments are set up based on the job description, role requirements, must-have skills, experience level and salary range within a maximum of 48 hours and you will get an email notification once it goes live.

Check out a sample assessment here (no credit card required).

Can I combine multiple skills into one custom assessment?

Yes, absolutely. Custom assessments are set up based on your job description, and will include questions on all must-have skills you specify.

How is Adaface different from other assessment tools?

We believe that status quo tech assessment platforms are not a fair way for companies to evaluate engineers because they focus on trick questions/ puzzles/ niche algorithms. We started Adaface to help companies find great engineers by assessing on-the-job skills required for a role. Read more about why we started Adaface.

Here's what's different with Adaface:

  • High quality non-googleable questions that test for on-the-job skills as opposed to theoretical knowledge.
  • A friendly conversational assessment with a chatbot, instead of sending a "test" to a candidate. This translates to a higher completion rate. Adaface assessments (86% candidate completion rate), as opposed to traditional tests (40-50% candidate completion rate)
  • Customized assessments for 700+ skills at different experience levels.
Do you have any anti-cheating or proctoring features in place?

We have the following anti-cheating features in place:

  • Web proctoring
  • Webcam proctoring
  • Plagairism detection
  • Non-googleable questions
  • Secure browser

Read more the proctoring features.

How do I interpret test scores?

The primary thing to keep in mind is that an assessment is an elimination tool, not a selection tool. As in an assessment is optimizing to help you eliminate candidates who are not technically qualified for the role, it is not optimized to help you find the best candidate for the role. So the ideal way to use an assessment is to decide a threshold score (typically 60%, we help you benchmark) and invite all candidates who score above the threshold for the next rounds of interview.

What experience level can I use this test for?

Each Adaface assessment is customized to your job description/ ideal candidate persona (our subject matter experts will pick the right questions for your assessment from our library of 10000+ questions). This assessment can be customized for any experience level.

Does every candidate get the same questions?

Yes, it makes it much easier for you to compare candidates. Options for MCQ questions and the order of questions are randomized. We have anti-cheating/ proctoring features in place. In our enterprise plan, we also have the option to create multiple versions of the same assessment with questions of similar difficulty levels.

I'm a candidate. Can I try a practice test?

No. Unfortunately, we do not support practice tests at the moment. However, you can use our sample questions for practice.

What is the cost of using this test?

You can check out our pricing plans.

Can I get a free trial?

The platform is completely self-serve, so here's one way to proceed:

  • You can sign up for free to get a feel for how it works.
  • The free trial includes one sample assessment (Java/ JavaScript) that you will find in your dashboard when you sign up. You can use it to review the quality of questions, and the candidate experience of a conversational test on Adaface.
  • To review the quality of questions, you can also review our public questions for 50+ skills here.
  • Once you're convinced that you want to try it out with real assessments and candidates, you can pick a plan according to your requirements.
I just moved to a paid plan. How can I request a custom assessment?

Here is a quick guide on how to request a custom assessment on Adaface.

With Adaface, we were able to optimise our initial screening process by upwards of 75%, freeing up precious time for both hiring managers and our talent acquisition team alike!


Brandon Lee, Head of People, Love, Bonito

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