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Act21 Softwares Java Developer Interview Questions and Answers
Act21 Softwares Java Developer Interview Experiences
3 interviews found
First there was online round which has simple aptitude question's
Then there was a coding written test which includes easy dsa question's from array strings
(1 Question)
- Q1. Then there was a long interview which revolves around dsa, oops java basics and advance
Aditya Sharma
I applied via Campus Placement
It was mcq based on oops and core java and 2 coding problems
(2 Questions)
- Q1. One on one coding round
- Q2. Arrays, Sub-Arrays, Linked List
(1 Question)
- Q1. Final interview with technology head
I applied via Recruitment Consulltant and was interviewed in Apr 2023. There were 5 interview rounds.
There was basic question
There were mcq on core java and coding question
(1 Question)
- Q1. They ask questions from core java and basic queries on sql
(1 Question)
- Q1. Normal discussion and about ur project
Interview Preparation Tips
Top trending discussions
Interview questions from similar companies
(2 Questions)
- Q1. What is the difference between abstract class and an interface in Java?
- Ans.
Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.
Abstract class can have constructors, member variables, and methods, while interface cannot.
A class can implement multiple interfaces but can only extend one abstract class.
Abstract classes are used to define a common behavior among subclasses, while interfaces are used to define a contract for classes to impl...
- Q2. An abstract class can have method implements and abstract method, while an interface only contains abstract method (before Java 8) . Abstract classes support single inheritance, whereas interfaces support ...
- Ans.
Abstract classes can have both implemented and abstract methods, while interfaces can only have abstract methods. Abstract classes support single inheritance, interfaces support multiple inheritance.
Abstract classes can have both implemented and abstract methods, providing more flexibility in design.
Interfaces can only have abstract methods, promoting a more strict contract for implementing classes.
Abstract classes sup...
I applied via Walk-in and was interviewed in Nov 2024. There were 2 interview rounds.
Questions on string and arrays both are moderate level questions on hacherrank type for 20 marks
(2 Questions)
- Q1. Constructor chaining
- Q2. Hasmap and treemap
Selected
I applied via campus placement at National Institute of Technology (NIT), Warangal and was interviewed in Jul 2022. There were 3 interview rounds.
Their are 30 questions which one has to done in 30 mins
(2 Questions)
- Q1. Q1) About the project you have done
- Q2. Q2) some technical questions related to core Java
Interview Preparation Tips
Java Developer Interview Questions & Answers
Solartis Technology Services
Anonymous
posted on 31 May 2022
I applied via Naukri.com and was interviewed before May 2021. There were 3 interview rounds.
Easy
(1 Question)
- Q1. Tell me about yourself Why you choose IT & developer role OOPs concept, sample Java program
(1 Question)
- Q1. Personal and salary details.
Interview Preparation Tips
Good luck.
(2 Questions)
- Q1. What is the diffrence between == and .equals() in java?
- Q2. == : Compares refrences (memory addresses) of objects. .equals() : Compares to content (value) of objects.
Java Developer Interview Questions & Answers
Thinkitive Technologies
Rupali Gaikar
posted on 8 Aug 2024
I applied via Naukri.com and was interviewed in Jul 2024. There was 1 interview round.
(1 Question)
- Q1. Oops Concepts ,Absrtraction,Polymorphism
(2 Questions)
- Q1. Write a short java program to check if a number is prime.
- Ans.
Java program to check if a number is prime
Create a function that takes an integer as input
Check if the number is less than 2, return false
Iterate from 2 to the square root of the number, check for divisibility
If the number is divisible by any number, return false
Otherwise, return true
- Q2. A prime number is a number greater than 1.....etc
- Ans.
A prime number is a number greater than 1 that can only be divided by 1 and itself.
Prime numbers are integers greater than 1
They have only two factors: 1 and the number itself
Examples of prime numbers: 2, 3, 5, 7, 11, 13
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