CGI Group Engineer Interview Questions and Answers

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Q1. Explain above data structure
Ans. 
Data structure is a way of organizing and storing data in a computer so that it can be accessed and modified efficiently.
• Data structures can be linear (arrays, linked lists) or non-linear (trees, graphs)

• They can be static (fixed size) or dynamic (size can change during program execution)

• Examples include stacks, queues, hash tables, and binary search trees
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Q2. What is database
Ans. 
A database is a structured collection of data that is organized in a way that allows for easy access, management, and retrieval.
• A database stores data in tables, which consist of rows and columns.

• It allows for efficient querying and retrieval of specific information.

• Examples of databases include MySQL, Oracle, and MongoDB.
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Q1. Where do you like yourself 5 years down the line
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Basic aptitude questions. English as well .

Basic java programs they asked to write

Q1. Plans for next 5 years Why xyz organisation Strengths and weaknesses
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Q1. Inheritance multiple inheritence in java
Ans. 
Multiple inheritance is not supported in Java due to the Diamond Problem.
• Java does not support multiple inheritance for classes to avoid the Diamond Problem.

• Interfaces in Java can be used to achieve a form of multiple inheritance by implementing multiple interfaces.

• Example: class A extends B, C is not allowed in Java.
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Basic aptitude test happen during college

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