Happiest Minds Technologies Web Developer Interview Questions and Answers

Q1. C# basics, Sql Queries ,.net basics and advanced
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Q2. Scenarios based questions
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Q1. Front end backend multiple choice question
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Q1. Telephonic round work experience related
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Q1. Video call with interview panel: marker interface .,serialization , joint ,
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Q1. Questions on core java, Collections, Oops concepts
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Q1. Explain singleton design pattern
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Singleton design pattern ensures a class has only one instance and provides a global point of access to it.
• Ensures a class has only one instance by providing a global access point to it

• Uses a private constructor to restrict instantiation of the class

• Provides a static method to access the single instance

• Commonly used in scenarios where only one instance of a class is needed, such as database connections or configuration
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Normal question aptitude like probability, scenario based questions, english grammar questions