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Snapwork Technology
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Snapwork Technology Java Developer Interview Questions and Answers
Snapwork Technology Java Developer Interview Experiences
2 interviews found
Anonymous
Selected
I applied via Referral and was interviewed in Feb 2023. There were 3 interview rounds.
(1 Question)
- Q1. They have asked complete Kafka and on springboot dependencies
(2 Questions)
- Q1. Introduction,previous working experience
- Q2. Discussion about package, previous experience..etc
Selected
I applied via Company Website and was interviewed before Mar 2023. There was 1 interview round.
(2 Questions)
- Q1. Oops Hashmap Daemon thread
- Q2. Oops Hashmap Daemon thread Solid principles
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...
Java Developer Interview Questions & Answers
CodeCraft Technologies
Shravan Jagadannavar
posted on 24 Sep 2024
Selected
I applied via Walk-in and was interviewed in Aug 2024. There was 1 interview round.
(4 Questions)
- Q1. Tell me about your self
- Ans.
I am a passionate Java Developer with 5 years of experience in developing web applications and implementing solutions using Java technologies.
5 years of experience in Java development
Strong knowledge of web application development
Experience in implementing solutions using Java technologies
- Q2. Tell me java feature
- Ans.
Java feature includes platform independence, object-oriented programming, and automatic memory management.
Platform independence allows Java programs to run on any platform without recompilation.
Object-oriented programming supports concepts like inheritance, encapsulation, and polymorphism.
Automatic memory management through garbage collection helps in managing memory efficiently.
- Q3. Java interfaces
- Q4. Tell encapsulation in java
- Ans.
Encapsulation in Java is the concept of wrapping data (variables) and code (methods) together into a single unit, known as a class.
Encapsulation helps in data hiding, as the internal state of the object is hidden from the outside world.
It allows for better control over the data by providing getter and setter methods to access and modify the data.
Encapsulation also helps in maintaining the integrity of the data by preve...
Skills evaluated in this interview
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
(2 Questions)
- Q1. What is method overloading?
- Q2. Defining multiple methods with the same name but different parameters.
(2 Questions)
- Q1. What is the D/W Hashmap and ConcurrentHashmap in Java?
- Q2. HashMap is not thread-safe, while concurrentHashMap is thread-safe.
(2 Questions)
- Q1. What is the role of a java developer?
- Q2. Develop, test and maintain java application.
(2 Questions)
- Q1. What is the difference between HashMap and ConcurrentHashMap?
- Q2. HashMap is not thread-safe, but ConcurrentHashmap is thread-safe and allows concurrent access.
(2 Questions)
- Q1. How does JVM optimize method calls?
- Q2. JVM just Just-In-Time (JIT) compilation, method inlining, and escape analysis for optimization.
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based on 2 interviews
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