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Keen & Able Computers Interview Questions and Answers

Updated 5 Dec 2024

Keen & Able Computers Interview Experiences

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3 interviews found

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. What is Method over loading and method overriding
  • Ans. 

    Method overloading is having multiple methods in the same class with the same name but different parameters. Method overriding is having a method in a subclass with the same name and parameters as a method in its superclass.

    • Method overloading involves creating multiple methods in the same class with the same name but different parameters.

    • Method overriding involves creating a method in a subclass with the same name and ...

  • Answered by AI
  • Q2. What is ACID Properties
  • Ans. 

    ACID properties are a set of properties that guarantee reliable database transactions.

    • Atomicity: Ensures that all operations in a transaction are completed successfully, or none are completed at all.

    • Consistency: Ensures that the database remains in a consistent state before and after the transaction.

    • Isolation: Ensures that the execution of transactions concurrently does not interfere with each other.

    • Durability: Ensures...

  • Answered by AI
Round 2 - Coding Test 

Given a task to create CRUD operation using Apache camel and Quarkus as a technoloy

Round 3 - HR 

(1 Question)

  • Q1. What you want this job?
  • Ans. 

    I am passionate about Java development and eager to contribute my skills to your team.

    • I have a strong background in Java programming, with experience in developing web applications and software solutions.

    • I am excited about the opportunity to work on challenging projects and collaborate with a talented team of developers.

    • I am confident that my technical skills and problem-solving abilities make me a strong fit for this

  • Answered by AI

Java Developer Interview Questions asked at other Companies

Q1. Sort 0 and 1 Problem Statement Given an integer array ARR of size N containing only integers 0 and 1, implement a function to sort this array. The solution should scan the array only once without using any additional arrays. Input: The firs... read more
View answer (3)

Java Developer Interview Questions & Answers

user image IMR college

posted on 5 Dec 2024

Interview experience
2
Poor
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Average coding and basic question related to Java for Java development

Round 2 - Coding Test 

Only one coding question

Round 3 - Assignment 

They assign an assignment

Interview Preparation Tips

Interview preparation tips for other job seekers - After the assignment round may be ye log sirf kam niklwa the h assignment dekr bcz inhone uske bd reject krdia even after completing the assignment before the deadline and the interviewer is junior than me and unable to understand the complex and advance code than he rejected me I did not like the process

Java Developer Interview Questions asked at other Companies

Q1. Sort 0 and 1 Problem Statement Given an integer array ARR of size N containing only integers 0 and 1, implement a function to sort this array. The solution should scan the array only once without using any additional arrays. Input: The firs... read more
View answer (3)
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed before Jul 2022.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - HR 

(1 Question)

  • Q1. Tell me about your self? What is your salary expectation? What is notice period?
Round 3 - Technical 

(1 Question)

  • Q1. Linux basic commands. Apache etc

Junior DevOps Engineer Interview Questions asked at other Companies

Q1. Can ec2 server launched without security group?
View answer (2)

Interview questions from similar companies

I applied via Naukri.com and was interviewed before May 2021. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. Basic java concepts like collection frame work, exception handling

Interview Preparation Tips

Interview preparation tips for other job seekers - Learn basics well, be confident, show you are flexible enough to learn

I applied via Company Website

Interview Questionnaire 

1 Question

  • Q1. Java

Interview Preparation Tips

Interview preparation tips for other job seekers - Yes

I applied via Campus Placement and was interviewed before Jul 2021. There were 2 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. 1 . Oops concept in detail 2 DBMS 3. Data base query
Round 2 - HR 

(1 Question)

  • Q1. Document verification

Interview Preparation Tips

Interview preparation tips for other job seekers - For freshers should be clear on basic concepts.
For experienced should be detailed knowledge on their domain.

I applied via Campus Placement and was interviewed before Oct 2020. There was 1 interview round.

Interview Questionnaire 

2 Questions

  • Q1. What is encapsulation ?
  • Ans. 

    Encapsulation is the process of hiding implementation details and providing access to only necessary information.

    • Encapsulation helps in achieving data abstraction and information hiding.

    • It allows for better control over data and prevents unauthorized access.

    • In Java, encapsulation is achieved through the use of access modifiers such as private, public, and protected.

    • For example, a class may have private variables that c...

  • Answered by AI
  • Q2. What is the meaning of string.
  • Ans. 

    A string is a sequence of characters used to represent text in programming.

    • Strings are often used for storing and manipulating text data.

    • In Java, strings are represented by the String class.

    • Strings can be concatenated using the + operator.

    • Strings are immutable, meaning they cannot be changed once created.

    • Examples of string literals include "hello world" and "42".

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - do not tell about salary expectations

Skills evaluated in this interview

I was interviewed in Jul 2017.

Interview Questionnaire 

6 Questions

  • Q1. What is autoboxing and unboxing
  • Ans. 

    Autoboxing is the automatic conversion of primitive data types to their corresponding object wrapper classes.

    • Autoboxing is useful when working with collections that require objects instead of primitives.

    • Example: int i = 5; Integer j = i; //autoboxing

    • Unboxing is the opposite of autoboxing, where an object of a wrapper class is converted back to its corresponding primitive type.

    • Example: Integer j = 5; int i = j; //unboxi

  • Answered by AI
  • Q2. What is typecasting UP AND DOWN
  • Ans. 

    Typecasting up and down refers to converting a variable of one data type to another data type of higher or lower precision.

    • Typecasting up involves converting a variable of lower precision to a variable of higher precision, such as converting an int to a double.

    • Typecasting down involves converting a variable of higher precision to a variable of lower precision, such as converting a double to an int.

    • Typecasting can resul...

  • Answered by AI
  • Q3. How do you iterate map
  • Ans. 

    To iterate a map in Java, use a for-each loop or an iterator.

    • Use the entrySet() method to get a set of key-value pairs

    • For-each loop: for(Map.Entry entry : map.entrySet())

    • Iterator: Iterator> iterator = map.entrySet().iterator();

    • Use hasNext() and next() methods to iterate through the map

  • Answered by AI
  • Q4. Types of synchronisation in java
  • Ans. 

    Types of synchronization in Java

    • Synchronized methods

    • Synchronized statements

    • ReentrantLock

    • Semaphore

    • CountDownLatch

  • Answered by AI
  • Q5. Access modifiers in method overriding
  • Ans. 

    Access modifiers in method overriding

    • Access modifiers in the overriding method cannot be more restrictive than the overridden method

    • The access modifier can be less restrictive or the same as the overridden method

    • Private methods cannot be overridden

    • Examples: public method can be overridden by public or protected method, but not by private method

  • Answered by AI
  • Q6. Covarient return type

Skills evaluated in this interview

I was interviewed in Jun 2017.

Interview Preparation Tips

Round: Technical Interview
Experience: They asked java basics,
what we wrote in resume will ask
about project
Tips: please prepare basics things

Interview Preparation Tips

Round: Test
Experience: I almost sove 130 question
Duration: 2 hours
Total Questions: 150

Round: Group Discussion
Experience: Problem Solving Algorithms
Duration: 3 hours

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Keen & Able Computers Interview FAQs

How many rounds are there in Keen & Able Computers interview?
Keen & Able Computers interview process usually has 3 rounds. The most common rounds in the Keen & Able Computers interview process are Coding Test, HR and Technical.
What are the top questions asked in Keen & Able Computers interview?

Some of the top questions asked at the Keen & Able Computers interview -

  1. What is Method over loading and method overrid...read more
  2. what is ACID Propert...read more
  3. Linux basic commands. Apache ...read more

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Keen & Able Computers Interview Process

based on 3 interviews

Interview experience

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Keen & Able Computers Reviews and Ratings

based on 43 reviews

3.4/5

Rating in categories

3.8

Skill development

3.1

Work-life balance

3.0

Salary

3.2

Job security

3.1

Company culture

2.9

Promotions

3.2

Work satisfaction

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