Greatship (India) Interview Questions and Answers

Q1. 1:- Why do u want to switch to a new field ? 2:- Its only seven month in your new company and you are sitting in an interview. Convince me that you wont be leaving in our organisation soon ? 3:- How well d...read more
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Q1. What are your salary expectations?
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Q2. What is your family background?
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Q3. Share details of your previous job.
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Q4. Why should we hire you?
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Q5. Why are you looking for a change?
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Q6. What are your strengths and weaknesses?
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Q7. Tell me about yourself.
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Q1. What is oops, explain them?
Ans. 
Object-oriented programming (OOP) is a programming paradigm that uses objects to represent and manipulate data.
• OOP is based on the concept of classes and objects.

• It allows for encapsulation, inheritance, and polymorphism.

• Encapsulation hides the internal details of an object and provides a public interface.

• Inheritance allows classes to inherit properties and methods from other classes.

• Polymorphism allows objects of diff...read more
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Q2. What is difference between interface and abstract class?
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Interface defines only method signatures while abstract class can have method implementations.
• An interface can be implemented by multiple classes while a class can extend only one abstract class.

• An abstract class can have instance variables while an interface cannot.

• An abstract class can have constructors while an interface cannot.

• An abstract class can provide default implementations for some methods while an interface...read more
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Q3. What is difference between docker and kubernet?
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Docker is a containerization platform while Kubernetes is a container orchestration tool.
• Docker is used to create, deploy, and run applications in containers.

• Kubernetes is used to manage and orchestrate multiple containers in a cluster.

• Docker provides a way to package and distribute applications in a portable manner.

• Kubernetes provides features like automatic scaling, load balancing, and self-healing.

• Docker is a lower-...read more
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Q4. What is event emitter in angular?
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Event emitter is a class in Angular that allows communication between components.
• Event emitter is used to emit custom events in Angular.

• It allows communication between parent and child components.

• It can be used to pass data from child to parent component.

• It is a part of the @angular/core package.

• Example: @Output() eventEmitter = new EventEmitter();
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Q5. What is view encapsulation in angular?
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View encapsulation is a feature in Angular that allows for the creation of isolated components.
• View encapsulation ensures that styles defined in a component do not affect other components.

• There are three types of view encapsulation: Emulated, Native, and None.

• Emulated is the default and uses CSS to emulate shadow DOM.

• Native uses the browser's native shadow DOM implementation.

• None does not provide any view encapsulation
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Q6. How to communicate with components in angular?
Ans. 
Components in Angular can communicate with each other using @Input, @Output, and services.
• Use @Input to pass data from parent to child component

• Use @Output to emit events from child to parent component

• Use services to share data between components that are not directly related

• Use RxJS subjects to create a shared data stream between components
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Asked Real Time Scenario to create Microservice for Train and Station information. The interviewer asked what are the properties needs to be considered for evaluating service.

Core Java 11 questions: Webservices, Improvement in JVM, Threads

Java 8: Asked to write a program based on Group By Scenario.

The interview lasts around 2 hrs.

Q1. Managerical round: Asked about current project details, The reason to join BH, Scenario based question on LinkedList vs ArrayList
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Q1. It was easy. The HR told about company policies
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SQL query and Dynamic Programming problem.
Math games

Q1. Introduction and project details
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1 que was asked regading linked list , little bit complex

Q1. One que on LRU cache, not simple one
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Q1. Explain end to end project phases.
Ans. 
End to end project phases involve initiation, planning, execution, monitoring and controlling, and closure.
• Initiation: Define project scope, objectives, and stakeholders.

• Planning: Develop project plan, schedule, and budget.

• Execution: Implement project plan and deliver the desired outcomes.

• Monitoring and Controlling: Track progress, identify issues, and make necessary adjustments.

• Closure: Formalize project completion, h...read more
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Q2. What are different scrum events
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Scrum events include Sprint Planning, Daily Standup, Sprint Review, Sprint Retrospective
• Sprint Planning: Team plans the work to be done in the upcoming sprint

• Daily Standup: Team members discuss progress, plan for the day, and identify any obstacles

• Sprint Review: Team demonstrates the work completed during the sprint to stakeholders

• Sprint Retrospective: Team reflects on the sprint and identifies areas for improvement
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Q3. What are the contents of a typical BRD
Ans. 
A typical Business Requirements Document (BRD) includes project scope, objectives, stakeholders, functional requirements, non-functional requirements, assumptions, constraints, and acceptance criteria.
• Project scope - defines the boundaries of the project

• Objectives - goals to be achieved by the project

• Stakeholders - individuals or groups affected by the project

• Functional requirements - specific features and functions of...read more
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Q4. Behavioural questions
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Q1. Flexible with changing roles
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