PopcornApps Interview Questions and Answers

Q1. Data modeling and query writing
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Q2. Joins, analytical functions, complex queries, data modeling
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Two Coding Questions ; basic DSA questions on array, strings, etc

Q1. One or two coding question, Basic DSA theory, BinarySearch, DB query.
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Q1. Similar to round 2, DSA, Database related
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Q1. Meeting with Manager
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The aptitude test was comprising of questions related to qualitative and quantitative reasoning along with basic computer science questions and coding questions also.

Q1. Why are pointers not used in Java but in C and C++ ?
Ans. 
Java has automatic memory management, so pointers are not needed.
• Java has a garbage collector that automatically manages memory.

• Pointers can lead to memory leaks and security vulnerabilities.

• C and C++ are low-level languages that require manual memory management.
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Q2. Types of access modifiers.
Ans. 
Access modifiers control the visibility and accessibility of class members.
• Public: accessible from anywhere

• Private: accessible only within the class

• Protected: accessible within the class and its subclasses

• Default: accessible within the same package
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Q3. Explain polymorphism.
Ans. 
Polymorphism is the ability of an object to take on many forms.
• Polymorphism allows objects of different classes to be treated as if they are of the same class.

• It is achieved through method overriding and method overloading.

• Examples include function overloading, operator overloading, and inheritance.

• Polymorphism helps in achieving loose coupling and flexibility in code design.
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Q1. Tell me something about yourself.
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Q2. Are you wishing to relocate ?
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Q3. Do you know about the bond ?
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There will be 1 test which inlcude functional questions and general apti questions. Its tough. Duration was 43 mins

Q1. There were 2 interviewers. Questions will be based on whatever is in Resume and functional questions relevant to the JD
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Q1. This round was with 1 senior person and again question based on the project which are handled and about functionality
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Q1. This was with Vertical head. It was only for 3-4 mins and was more of personal questions. About youself, family, career background etc.
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