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I applied via Indeed and was interviewed before Jul 2023. There were 3 interview rounds.
As salary is less interview was way easier than any other company
Programs on prime number, Fibonacci series,factorial,gcd etc.
HashSet is an unordered collection while LinkedHashSet maintains insertion order.
HashSet does not maintain insertion order, LinkedHashSet maintains insertion order.
HashSet does not allow duplicate elements, LinkedHashSet allows duplicate elements.
HashSet uses hashing mechanism to store elements, LinkedHashSet uses a doubly linked list to maintain order.
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.
Key concepts include encapsulation, inheritance, and polymorphism.
Encapsulation involves bundling data and methods that operate on the data into a single unit.
Inheritance allows classes to inherit attributes and methods from other classe...
Ways of creating threads include extending the Thread class, implementing the Runnable interface, and using Executor framework.
Extending the Thread class: Create a new class that extends the Thread class and override the run() method.
Implementing the Runnable interface: Create a class that implements the Runnable interface and implement the run() method.
Using Executor framework: Create a thread pool using Executor fram
JDBC (Java Database Connectivity) is a Java API that allows Java programs to interact with databases.
JDBC uses a driver manager to load the appropriate driver for the specific database being accessed.
It establishes a connection to the database using the DriverManager class.
SQL queries are executed using Statement, PreparedStatement, or CallableStatement objects.
ResultSets are used to retrieve data from the database.
Tra...
Wrapper class is a class that wraps around a primitive data type and provides additional methods and functionalities.
Wrapper classes in Java are used to convert primitive data types into objects.
They provide methods to perform various operations on the data, such as conversion, comparison, and manipulation.
Examples of wrapper classes in Java include Integer, Double, Boolean, etc.
Packages are a way of organizing classes and interfaces in a logical structure in Java.
Packages help in avoiding naming conflicts by grouping related classes and interfaces together.
Packages can be nested within other packages.
Packages are declared using the 'package' keyword at the beginning of a Java file.
Example: 'package com.example.myproject;'
Servlet and JSP have different life cycles. Servlet is initialized, service method is called, and then destroyed. JSP is translated to servlet, initialized, service method is called, and then destroyed.
Servlet life cycle: Initialization, service method invocation, destruction.
JSP life cycle: Translation to servlet, initialization, service method invocation, destruction.
Deadlock in multithreading occurs when two or more threads are waiting for each other to release resources, causing them to be stuck indefinitely.
Deadlock can be prevented by using proper synchronization techniques like avoiding nested locks, using timeouts, and implementing a deadlock detection algorithm.
One common example of deadlock is the dining philosophers problem, where multiple philosophers are sitting at a tab...
Primary goals are main objectives to be achieved, while secondary goals are additional objectives that support the primary goals.
Primary goals are the main objectives that an individual or organization aims to achieve.
Secondary goals are additional objectives that support the primary goals.
Primary goals are usually more critical and have higher priority than secondary goals.
Examples: Primary goal of a company may be to...
I applied via Naukri.com and was interviewed in Mar 2022. There were 2 interview rounds.
Proteus Technologies interview questions for popular designations
I applied via Job Fair and was interviewed before Feb 2022. There were 3 interview rounds.
Given some package list need use the packages in code
Pandas is used in data manipulation due to its ability to handle large datasets, perform data cleaning, and provide powerful data analysis tools.
Pandas provides a DataFrame object that allows for easy manipulation of tabular data
It can handle missing data and perform data cleaning operations
Pandas has powerful data analysis tools such as grouping, filtering, and merging
It can handle large datasets efficiently
Pandas int...
Pytesseract library is used for optical character recognition (OCR) in Python.
Pytesseract is used to extract text from images and PDFs.
It can be used for automating data entry tasks.
It is commonly used in document management systems.
Pytesseract can be used to extract text from scanned documents.
It can also be used for text recognition in images captured by cameras.
Pytesseract is often used in machine learning projects
I applied via Company Website and was interviewed before Aug 2020. There were 5 interview rounds.
I applied via Walk-in and was interviewed before Sep 2020. There were 5 interview rounds.
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I applied via Campus Placement and was interviewed in Nov 2021. There were 4 interview rounds.
Precompilation unit is a compiled code that can be reused by multiple source files.
Precompilation unit is created by the compiler from the source code.
It contains the compiled code of header files and other dependencies.
It can be reused by multiple source files, reducing compilation time.
It is also known as precompiled header or PCH.
Example: stdafx.h in Visual Studio is a precompiled header file.
posted on 15 Feb 2016
The first 50 prime numbers are...
Start with 2, the first prime number
Check each odd number greater than 2
Use trial division to check if a number is prime
Stop when you have found 50 prime numbers
Sorting a file within a range
Use a sorting algorithm like quicksort or mergesort
Read the file and store the data in an array or list
Sort the array or list within the given range
Write the sorted data back to the file
I am a passionate software engineer with experience in developing web applications using various technologies.
Experienced in developing web applications using HTML, CSS, JavaScript, and frameworks like React and Angular
Proficient in backend development with Node.js, Express, and MongoDB
Familiar with version control systems like Git and project management tools like Jira
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