Eastern Software Solutions Pvt. Ltd Software Developer Trainee Interview Questions and Answers

Q1. What do u mean by data
Ans. 
Data refers to facts, statistics, or information collected for analysis or reference.
• Data is raw, unprocessed information.

• It can be in the form of numbers, text, images, or any other format.

• Examples include customer names, product prices, and sales figures.

• Data can be structured (organized in a specific way) or unstructured (not organized).
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Q2. What is preprocessed data
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Preprocessed data is data that has been cleaned, transformed, and organized for analysis or modeling.
• Preprocessed data is often used in machine learning and data analysis to improve the accuracy and efficiency of models.

• Common preprocessing steps include removing missing values, scaling features, and encoding categorical variables.

• Examples of preprocessing techniques include normalization, standardization, one-hot enco
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Q3. What do u mean by info
Ans. 
Info refers to data or knowledge that provides details or context about a specific topic or subject.
• Info can be in the form of facts, statistics, or explanations.

• It helps to understand a topic better or make informed decisions.

• Examples of info include news articles, research papers, and educational resources.
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Q4. How to copy from 2 tables and paste in 3rd one in sql
Ans. 
Use SQL INSERT INTO SELECT statement to copy data from 2 tables and paste into a 3rd table.
• Use INSERT INTO SELECT statement to copy data from 2 tables and paste into a 3rd table.

• Specify the columns you want to copy from each table in the SELECT statement.

• Make sure the columns in the SELECT statement match the columns in the 3rd table where you are pasting the data.
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Q5. Reverse string using any language you know
Ans. 
Reverse a string using any programming language
• Use built-in functions like reverse() or slice() in languages like Python or JavaScript

• Iterate through the string in reverse order and append each character to a new string

• Use a stack data structure to push each character onto the stack and then pop them off to reverse the string
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Q6. A puzzle question was asked but i don't remeber it.
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Two sections :
in 1st section aptitude and verbal test and 2nd section technical

Q1. Introduction of yourself
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Q2. What is angular
Ans. 
Angular is a popular open-source front-end web application framework developed by Google.
• Angular is used for building dynamic web applications.

• It allows for the creation of single-page applications.

• Angular uses TypeScript for building applications.

• It provides features like data binding, dependency injection, and routing.

• Angular has a large community and ecosystem with many libraries and tools available.
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Paper test - MCQs(Hibernate, multithreading, logical reasoning, Quantitative, English grammar test )

Q1. Project related questions OOPs Multithreading, Collection Java 8 Spring boot
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Q1. Same as round 2
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Q1. Uipath questions , orchestrator
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Q2. Automation anywhere,
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The aptitude round had the topics of train and distance and time , OOPS , Core Java , JavaScript questions , Operating System questions and DBMS questions.

Q1. Had some data structures and algorithm questions and graph , dynamic programming questions
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Q2. Questions in the datastructures
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Q1. Lamda experience
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Share the link for codesignal

Q1. Java related questions
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Q2. Based on the resume
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Q1. Current time and their angles
Ans. 
The question is asking for the current time and the angles formed by the hour and minute hands on a clock.
• The angle between the hour and minute hands of a clock can be calculated using the formula: angle = |(30*hour - (11/2)*minutes)|

• At 3:00, the angle between the hour and minute hands is 90 degrees.

• At 6:00, the angle between the hour and minute hands is 180 degrees.

• At 9:00, the angle between the hour and minute hands
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Q1. Didnt qual here btw
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Q1. Didnt qual either btw
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