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SYSVEDA Information Technology Java Developer Interview Questions and Answers
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1 interview found
Anonymous
Average and good .they asked in generally
(1 Question)
- Q1. What is java What is exception handling What is string And problem
- Ans.
Java is a popular programming language used for developing various applications.
Java is an object-oriented programming language
It is platform-independent, meaning it can run on any device with a Java Virtual Machine (JVM)
Java is used for developing web applications, mobile apps, desktop applications, and more
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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
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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 difference between HashMap and ConcurrentHashMap?
- Q2. HashMap is not thread-safe, but ConcurrentHashmap is thread-safe and allows concurrent access.
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. How does JVM optimize method calls?
- Q2. JVM just Just-In-Time (JIT) compilation, method inlining, and escape analysis for optimization.
I applied via LinkedIn and was interviewed in Apr 2024. There were 2 interview rounds.
Q.1 Pattern
1
*2*
**3**
Q. 2
write code to get sub array with max sum from given array.
(1 Question)
- Q1. Introduction Project Deatails Oops Concept Collection Exception Handling Abstract Class Functional Interface Spring Framework
Interview Preparation Tips
- Java
- Advanced Java
- SQL
- Data Structures
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