Shipco It Application Developer Interview Questions and Answers

Q1. General HR questions also a little bit about my experience
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Q1. .net general questions like ref vs out, interface vs abstract class
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Q1. What is React, and what are its lifecycle methods?
Ans. 
React is a JavaScript library for building user interfaces.
• React is used for creating interactive UI components.

• It uses a virtual DOM for efficient rendering.

• React lifecycle methods include componentDidMount, componentDidUpdate, and componentWillUnmount.

• These methods allow developers to perform actions at specific points in a component's lifecycle.
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Q2. What is the virtual DOM and how does reconciliation work in it?
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Virtual DOM is a lightweight copy of the actual DOM used for efficient updates. Reconciliation is the process of updating the actual DOM based on changes in the virtual DOM.
• Virtual DOM is a lightweight copy of the actual DOM kept in memory.

• When changes are made to the UI, they are first reflected in the virtual DOM.

• Reconciliation is the process of comparing the virtual DOM with the actual DOM and updating only the nece...read more
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Q1. 1.Tell me about your self 2.Where do you se yourself after 5 years 3.About projects and intership 4.one coding question in python
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Q1. Binary search implementation
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Binary search is a fast search algorithm that finds the position of a target value within a sorted array.
• Binary search works by repeatedly dividing the search interval in half.

• It compares the target value with the middle element of the array.

• If the target value is equal to the middle element, the position is found.

• If the target value is less than the middle element, the search continues on the lower half of the array.

• I...read more
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Q2. Quick sort code implementation
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Quick sort is a popular sorting algorithm that uses divide and conquer strategy.
• Divide the array into two sub-arrays based on a pivot element

• Recursively sort the sub-arrays

• Combine the sorted sub-arrays to get the final sorted array
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Q1. Angular lifecycle hooks, directives, modules
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Q2. Angular forms module, application bootstrap process
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Given JavaScript's complex logic on array and list

Q1. Oops concept and the basic programming language knowledge
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Q2. Database queries and the database types
Ans. 
Database queries are used to retrieve data from databases. There are different types of databases such as relational, NoSQL, and graph databases.
• Relational databases use SQL for querying data

• NoSQL databases use different query languages such as MongoDB's query language

• Graph databases use graph traversal languages such as Cypher

• Queries can be used to retrieve specific data or perform complex operations such as joins and
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Q1. Tell me about yourself
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Q2. Tell me about the project
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Q1. Salary discussion and dreams
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Data structrre questions only

Gave a case study to solve

Q1. Tell me about yourself
Ans. 
I am a passionate software developer with experience in Java, Python, and web development.
• Experienced in Java, Python, and web development technologies

• Strong problem-solving skills

• Team player with excellent communication skills
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Q2. Test English level
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Q1. Explain OOP concepts
Ans. 
OOP stands for Object-Oriented Programming, a programming paradigm based on the concept of objects.
• OOP focuses on creating objects that contain data and methods to manipulate that data.

• Encapsulation: Objects hide their internal state and require interaction through defined interfaces.

• Inheritance: Objects can inherit attributes and methods from other objects.

• Polymorphism: Objects can take on different forms or have mult...read more
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Q2. Questions related to previous experience
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