Net Protector Antivirus Software Developer Interview Questions and Answers

Q1. Brief about Java 8 with example
Ans. 
Java 8 introduced new features like lambda expressions, streams, and functional interfaces.
• Lambda expressions allow concise syntax for defining anonymous functions.

• Streams provide a way to work with collections in a functional style.

• Functional interfaces have a single abstract method and can be used with lambda expressions.

• Example: Lambda expression - (a, b) -> a + b

• Example: Stream usage - List names = Arrays.asList("A...read more
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Q1. What are spring components
Ans. 
Spring components are reusable software building blocks managed by the Spring framework.
• Spring components are Java classes annotated with @Component or its specialized annotations like @Service, @Repository, @Controller.

• These components are managed by the Spring IoC container and can be injected into other components using @Autowired annotation.

• Spring components promote code reusability, modularity, and maintainability
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It was an Aptitude and Verbal with some SpringBoot and DB related MCQs

Q1. This round had 1 DSA question and 1 RestAPi implementation and few theory questions on java8
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Aptitude and 2 coding problems- easy to medium

Q1. Duplicate number code
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Asked related to python

Q1. Tell me about yourself
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Q2. Explain the project in resume
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Easy level only ...very basic problems are asked to me

Basic arrays and string questions

Q1. How can we break singleton pattern in java?
Ans. 
Singleton pattern can be broken using reflection, serialization, and cloning.
• Reflection can be used to access the private constructor and create multiple instances.

• Serialization can create multiple instances when the object is deserialized.

• Cloning can create a new instance of the singleton object.
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