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Keen & Able Computers Interview Questions and Answers
Keen & Able Computers Interview Experiences
3 interviews found
Anonymous
(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 ...
- 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...
Given a task to create CRUD operation using Apache camel and Quarkus as a technoloy
(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
Java Developer Interview Questions asked at other Companies
IMR college
Average coding and basic question related to Java for Java development
Only one coding question
They assign an assignment
Interview Preparation Tips
Java Developer Interview Questions asked at other Companies
Selected
I was interviewed before Jul 2022.
(1 Question)
- Q1. Tell me about your self? What is your salary expectation? What is notice period?
(1 Question)
- Q1. Linux basic commands. Apache etc
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I applied via Naukri.com and was interviewed before Aug 2020. There was 1 interview round.
Interview Questionnaire
7 Questions
- Q1. Q1)Strong OOPS concept.
- Ans.
Strong OOPS concept is essential for Java developers to write efficient and maintainable code.
Understanding of classes, objects, inheritance, polymorphism, and encapsulation
Ability to design and implement complex systems using OOPS principles
Experience with design patterns and SOLID principles
Knowledge of interfaces, abstract classes, and access modifiers
Familiarity with UML diagrams for modeling software systems
- Q2. Q2) exception handling, multitasking
- Q3. Q3) collection frameworks internal hierarchical
- Q4. Q4)java server side strong debugging knowledge required it must for selection.
- Q5. 5)you need to specific on your answer and to the point
- Q6. 6)Java utility classes
- Q7. Spring MVC and spring boot all basic automation and bean internal working knowledge
Interview Preparation Tips
Don't be harrree while answering the question
I applied via Company Website and was interviewed in Jul 2020. There was 1 interview round.
Interview Questionnaire
2 Questions
- Q1. What is java
- Ans.
Java is a high-level programming language known for its platform independence and object-oriented approach.
Java is widely used for developing desktop, web, and mobile applications.
It is known for its write once, run anywhere (WORA) capability.
Java uses a virtual machine (JVM) to execute code, providing portability across different operating systems.
It supports multithreading, exception handling, and dynamic memory allo...
- Q2. What is inheritance
- Ans.
Inheritance is a mechanism in object-oriented programming where a new class is created from an existing class.
Allows for code reuse and promotes code organization
The new class (subclass) inherits properties and methods from the existing class (superclass)
Subclass can add new properties and methods or override existing ones
Example: A Car class can inherit properties and methods from a Vehicle class
Interview Preparation Tips
Skills evaluated in this interview
I applied via Referral and was interviewed in Nov 2020. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Write a program for sum of numbers?
- Ans.
A program to calculate the sum of numbers.
Create a variable to store the sum.
Iterate through the numbers and add each number to the sum.
Return the sum.
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Skills evaluated in this interview
Interview Questionnaire
2 Questions
- Q1. What's java?
- Ans.
Java is a high-level, object-oriented programming language used to develop applications for various platforms.
Java is platform-independent and can run on any device with a Java Virtual Machine (JVM)
It is known for its security features and is commonly used for developing web applications, mobile apps, and enterprise software
Java code is compiled into bytecode, which can be executed on any platform that has a JVM instal...
- Q2. Why java?
- Ans.
Java is a versatile, platform-independent language with a vast community and extensive libraries.
Java is object-oriented and easy to learn.
It has a vast community and extensive libraries.
It is platform-independent and can run on any device.
Java is secure and reliable.
It is used in various domains like web development, mobile app development, and enterprise applications.
Examples: Android apps, Spring framework, Hadoop,
Skills evaluated in this interview
Interview Questionnaire
1 Question
- Q1. Few questions on rest API, microservices, java 8 core questions, spring MVC, Hibernate
I applied via Naukri.com and was interviewed before Sep 2020. There was 1 interview round.
Interview Preparation Tips
Interview Questionnaire
5 Questions
- Q1. About java collection api
- Q2. String in java
- Ans.
String is a class in Java used to represent a sequence of characters.
Strings are immutable in Java
String objects can be created using string literals or the new keyword
String class provides various methods for manipulating strings such as substring, replace, etc.
- Q3. Restful webservices , spring MVC flow, spring data, security in rest API.
- Q4. Java8 new features ,stream api, lambda expression,
- Q5. JSON, HashMap and HashTable, design pattern
Skills evaluated in this interview
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Keen & Able Computers Interview Process
based on 3 interviews
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based on 43 reviews
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Devops Engineer
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Software Developer
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Junior DevOps Engineer
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Linux Engineer
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