C-Edge Technologies Service Manager Interview Questions and Answers

Q1. 1 question on merge sort, 1 question on SQL queries, oops concepts in depth with real-life examples, core java concepts in depth, collection framework.
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Q2. Merge 2 sorted arrays,
Ans. 
Merge 2 sorted arrays into a single sorted array.
• Create a new array with the combined length of the two input arrays

• Use two pointers to iterate through the two arrays and compare elements to merge them into the new array

• Handle cases where one array is longer than the other
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Q3. Find the top salary of a department
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Q4. 4 pillars of oops
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Encapsulation, Inheritance, Polymorphism, Abstraction are the 4 pillars of OOPs
• Encapsulation: Bundling data and methods that operate on the data into a single unit. Example: Class in Java

• Inheritance: Ability of a class to inherit properties and behavior from another class. Example: Parent and Child classes

• Polymorphism: Ability to present the same interface for different data types. Example: Method overloading and overr...read more
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Code review to find bugs

Q1. State the features of interface Spring boot annotations Microservice communication table index
Ans. 
Interface features include abstraction, multiple inheritance, and contract enforcement.
• Abstraction: Interfaces allow for the definition of methods without implementation, providing a blueprint for classes to follow.

• Multiple Inheritance: Java interfaces support multiple inheritance, allowing a class to implement multiple interfaces.

• Contract Enforcement: Interfaces define a contract that implementing classes must adhere
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Q1. What is Java? What is oops concepts? What is string and what are the types of string?
Ans. 
Java is a high-level programming language used for developing applications. OOPs concepts are the principles of object-oriented programming. String is a sequence of characters.
• Java is an object-oriented language that is platform-independent.

• OOPs concepts include inheritance, encapsulation, polymorphism, and abstraction.

• String is a class in Java that represents a sequence of characters.

• Types of strings include immutable
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Q1. Salary expectation
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There was pattern question in any programming language and you have make the pattern dynamic.

Q1. What is Java and features What is string and types What is dependency injection
Ans. 
Java is a high-level programming language. String is a sequence of characters. Dependency Injection is a design pattern.
• Java is an object-oriented language with features like platform independence, automatic memory management, and multithreading.

• String is a class in Java used to represent a sequence of characters. It is immutable and can be concatenated using the '+' operator.

• Dependency Injection is a design pattern us...read more
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Q1. Why do you to change job?
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Reasoning and Mental ability questions

DSA question . Level was a little hard like dynamic programming , Matrix questions etc

Q1. It was normal talk
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Q1. Ask about project,springboot
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Q2. What is jira and uses
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