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Decipher Zone Technologies Java Developer Interview Questions and Answers
Decipher Zone Technologies Java Developer Interview Experiences
2 interviews found
Anonymous
(2 Questions)
- Q1. Explain OOPS concept
- Ans.
OOPS (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data and code.
OOPS focuses on creating objects that interact with each other to solve problems
Key principles include encapsulation, inheritance, polymorphism, and abstraction
Encapsulation involves bundling data and methods that operate on the data into a single unit
Inheritance allows one class to inherit prop...
- Q2. Exception hanlding
(1 Question)
- Q1. Salary expectation
Interview Preparation Tips
Selected
I applied via Walk-in and was interviewed before Mar 2023. There was 1 interview round.
Star pattern coding round. Even Odd number identification using different method.
Interview Preparation Tips
- Core Java
- DSA
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
I applied via Naukri.com and was interviewed in Feb 2024. There was 1 interview round.
There were 5 questions and we need to solve 4 questions in java. Mostly Array and string based.
I applied via Approached by Company and was interviewed in Mar 2023. There were 3 interview rounds.
(3 Questions)
- Q1. What is java ?
- Ans.
Java is a high-level programming language known for its portability, security, and object-oriented features.
Java is platform-independent, meaning it can run on any device with a Java Virtual Machine (JVM).
It is object-oriented, allowing for modular and reusable code.
Java is known for its security features, such as sandboxing and encryption.
Popular frameworks and libraries like Spring and Hibernate are commonly used in
- Q2. Opps concepts collections
- Q3. Data structures
(2 Questions)
- Q1. Opps and collections
- Q2. Must know about collections
Interview Preparation Tips
Skills evaluated in this interview
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
(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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Decipher Zone Technologies Java Developer Reviews and Ratings
based on 6 reviews
Rating in categories
|
Java Developer
19
salaries
|  ₹2.3 L/yr - ₹8 L/yr |
|
Software Developer
13
salaries
| ₹3 L/yr - ₹15.3 L/yr |
|
Senior Software Engineer
8
salaries
| ₹7.1 L/yr - ₹20.8 L/yr |
|
Front end Developer
8
salaries
| ₹2 L/yr - ₹5 L/yr |
|
Software Engineer
6
salaries
| ₹1.2 L/yr - ₹6 L/yr |
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