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I applied via Naukri.com and was interviewed before Mar 2023. There was 1 interview round.
I applied via campus placement at Vidya Jyothi Institute of Technology, Hyderabad and was interviewed in Dec 2024. There were 3 interview rounds.
Its was moderate , basic questions and can written based on the cluster
It was easy its an combination of aptitude and gaming questions
Java is a programming language known for its platform independence due to its ability to run on any device with a Java Virtual Machine (JVM).
Java is a high-level programming language developed by Sun Microsystems.
It is considered platform-independent because Java programs are compiled into bytecode that can run on any device with a JVM.
JVM acts as an interpreter that translates the bytecode into machine code specific t...
Method overloading involves multiple methods in the same class with the same name but different parameters. Method overriding involves a subclass providing a specific implementation of a method that is already provided by its superclass.
Method overloading is resolved at compile time based on the method signature, while method overriding is resolved at runtime based on the object type.
Method overloading is used to incre...
A program to check if a string is a palindrome involves comparing the string with its reverse.
Iterate through the string from both ends and compare characters.
If all characters match, the string is a palindrome.
Examples: 'radar' is a palindrome, 'hello' is not.
A program to check if a given number is prime or not.
Iterate from 2 to square root of the number and check for divisibility
If the number is divisible by any number other than 1 and itself, it is not prime
Optimization: Check divisibility only up to square root of the number
Different types of SQL include MySQL, PostgreSQL, SQLite, Oracle SQL, and Microsoft SQL Server.
MySQL - widely used open-source SQL database management system
PostgreSQL - advanced open-source SQL database management system
SQLite - self-contained, serverless, zero-configuration SQL database engine
Oracle SQL - proprietary SQL database management system by Oracle Corporation
Microsoft SQL Server - relational database manage
The code for calculating the length of a rectangle given its breadth and area involves dividing the area by the breadth.
Calculate length = Area / Breadth
For example, if the breadth is 5 and the area is 20, then the length would be 20 / 5 = 4
Java has primitive data types (int, double, boolean, etc.) and reference data types (arrays, classes, interfaces, etc.)
Primitive data types include int, double, boolean, char, etc.
Reference data types include arrays, classes, interfaces, etc.
Examples: int num = 10; double price = 19.99; boolean isTrue = true; String name = "John";
JVM executes Java bytecode, JRE includes JVM and libraries, JDK includes JRE and development tools.
JVM is responsible for executing Java bytecode and providing a runtime environment.
JRE includes JVM along with libraries and other components necessary to run Java applications.
JDK includes JRE and development tools like compilers and debuggers for creating Java applications.
JDK is required for developing Java application...
A primary key in SQL is a unique identifier for each record in a table.
Primary key ensures each record in a table is unique
It can be a single column or a combination of columns
Primary key values cannot be NULL
Example: 'id' column in a 'users' table
posted on 3 Jan 2025
I applied via Referral and was interviewed in Dec 2024. There were 2 interview rounds.
Deep copy creates a new copy of an object with its own unique memory space, while shallow copy creates a new object that references the same memory locations as the original object.
Deep copy duplicates all nested objects, while shallow copy only duplicates the references to nested objects.
Deep copy ensures that changes to the copied object do not affect the original object, while shallow copy may lead to unintended sid...
Use a loop to swap characters of two strings without using strcpy function.
Create two arrays of characters to store the strings
Use a loop to iterate through each character of the strings and swap them
Ensure to handle cases where strings have different lengths
I applied via Walk-in and was interviewed in Dec 2024. There were 10 interview rounds.
Any ideas for an aptitude test?
What is education in place?
What is a SQL Server?
Effective communication and any suggestion.
Engage with any assignment provided.
Please provide any assignments you have.
posted on 5 Jan 2025
I applied via Approached by Company and was interviewed in Dec 2024. There was 1 interview round.
I applied via Walk-in and was interviewed in Dec 2024. There were 3 interview rounds.
It was pretty good experience
I applied via Approached by Company and was interviewed in Dec 2024. There were 4 interview rounds.
I have given 4 rounds of WNS and was selected. They congratulated me for being selected and then asked me the documents. But later HR and Interviewer both stopped picking my call and then told me after 15-20 days we are putting you on hold and not proceeding with your application
I applied via Recruitment Consulltant and was interviewed in Nov 2024. There were 4 interview rounds.
I applied via Naukri.com and was interviewed in Nov 2024. There were 2 interview rounds.
The Aptitude Test session accesses mathematical and logical reasoning abilities
Vlookup is a function in Excel used to search for a value in a table and return a corresponding value from another column.
Vlookup stands for 'Vertical Lookup'
It is commonly used in Excel to search for a value in the leftmost column of a table and return a value in the same row from a specified column
Syntax: =VLOOKUP(lookup_value, table_array, col_index_num, [range_lookup])
Example: =VLOOKUP(A2, B2:D10, 3, FALSE) - searc...
My day in my previous organization involved analyzing large datasets, creating reports, and presenting findings to stakeholders.
Reviewing and cleaning large datasets to ensure accuracy
Creating visualizations and reports to communicate insights
Collaborating with team members to identify trends and patterns
Presenting findings to stakeholders in meetings or presentations
I possess strong technical skills in data analysis, including proficiency in programming languages, statistical analysis, and data visualization tools.
Proficient in programming languages such as Python, R, SQL
Skilled in statistical analysis and data modeling techniques
Experience with data visualization tools like Tableau, Power BI
Knowledge of machine learning algorithms and techniques
A Pivot Table is a data summarization tool used in spreadsheet programs to analyze, summarize, and present data in a tabular format.
Pivot tables allow users to reorganize and summarize selected columns and rows of data to obtain desired insights.
Users can easily group and filter data, perform calculations, and create visualizations using pivot tables.
Pivot tables are commonly used in Excel and other spreadsheet program...
To find the highest-paid employee in each department, we need to group employees by department and then select the employee with the highest salary in each group.
Group employees by department
Find the employee with the highest salary in each group
Retrieve the employee's name, salary, and department name
I applied via Recruitment Consulltant and was interviewed in Dec 2024. There was 1 interview round.
SQL order of execution determines the sequence in which different clauses are processed in a query.
SQL query is parsed and validated first
Next, the query optimizer creates an execution plan
Execution plan includes steps like table scans, index scans, joins, etc.
Finally, the query is executed and results are returned
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