Gayatri Hospital And Trauma Centre Senior Software Developer Interview Questions and Answers

Q1. What are the OOPs concept
Ans. 
OOPs concepts are fundamental principles of Object-Oriented Programming, including Inheritance, Encapsulation, Polymorphism, and Abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex imple...read more
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Q1. Salary discussion
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Q1. Java basic question related core java
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Q2. Spring-boot basic
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Q1. Hash map internal working
Ans. 
Hash map is a data structure that stores key-value pairs and uses a hash function to map keys to their corresponding values.
• Hash map uses a hash function to determine the index of the key-value pair in the underlying array.

• Collisions can occur when multiple keys hash to the same index, which can be resolved using techniques like chaining or open addressing.

• Hash maps have O(1) average time complexity for insertion, dele
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Q1. What is difference between callable and runnable interface
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Callable interface can return a result and can throw a checked exception, while Runnable interface cannot return a result or throw a checked exception.
• Callable interface is a part of java.util.concurrent package, while Runnable interface is a part of java.lang package.

• Callable interface has a method call() that returns a result and can throw a checked exception, while Runnable interface has a method run() that does not...read more
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Mediam hard question quick sort, sliding window, oops, segment tree

Q1. OS DBMS this asked in interview questions
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Q2. What is dead lock
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Deadlock is a situation in which two or more processes are unable to proceed because each is waiting for the other to release a resource.
• Occurs in multitasking environments

• Caused by a circular wait condition

• Can be resolved using techniques like deadlock prevention, deadlock avoidance, and deadlock detection

• Example: Process A holds Resource 1 and waits for Resource 2, while Process B holds Resource 2 and waits for Resou
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Q3. SQl queries like second largest value find out
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Q1. Some interview questin are there Explain about the project what is final keyword.
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Q1. Java8 spring spingboot microservices problem solving
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Q1. Basic questions
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Q1. Basic matlab questions
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Q2. Simulink, stateflow, mil-sil testing
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Q1. SpringBoot Annotations
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Q2. ORM Frameworks in details- JPA queries
Ans. 
JPA is a Java ORM framework that allows developers to interact with databases using object-oriented programming.
• JPA stands for Java Persistence API

• It provides a set of Java classes and interfaces for managing relational data

• JPA queries can be written using JPQL (Java Persistence Query Language)

• JPA supports various annotations like @Entity, @Table, @Id, @Column, etc.

• JPA can be used with different ORM frameworks like Hib
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Q1. Projects worked on in detail
Ans. 
Developed a web-based project management tool for tracking tasks and deadlines.
• Utilized AngularJS for front-end development

• Implemented RESTful APIs for communication between front-end and back-end

• Integrated with third-party project management tools like Trello and Asana
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Q2. Have you worked on Telecom domain, as they are our clients
Ans. 
Yes, I have worked on Telecom domain in my previous role.
• I have experience developing software solutions for telecom companies to improve network performance and customer experience.

• I have worked on projects involving billing systems, network management, and customer relationship management.

• I have knowledge of telecom protocols such as SIP, VoIP, and SS7.

• I have collaborated with telecom engineers to integrate software
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