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Happiest Minds Technologies
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I applied via Naukri.com and was interviewed in Mar 2023. There were 2 interview rounds.
This program sorts the characters of a string in descending order.
Convert the string to a character array
Sort the character array in descending order
Convert the sorted character array back to a string
Java Developer interview questions on beans, functional interfaces, SQL queries, hibernate, and more.
Scope of beans refers to the visibility of a bean within an application context.
Functional interfaces have only one abstract method and can be used as lambda expressions.
Classes cannot be private, but their constructors can be.
SQL query to find employees of a particular department table: SELECT * FROM employees WHERE de...
I applied via Naukri.com and was interviewed in Jan 2023. There were 4 interview rounds.
I applied via Naukri.com and was interviewed in Aug 2023. There were 2 interview rounds.
I applied via Job Portal
Happiest Minds Technologies interview questions for popular designations
I applied via Company Website and was interviewed in Jul 2023. There were 2 interview rounds.
Get interview-ready with Top Happiest Minds Technologies Interview Questions
Check if a string is a palindrome
Iterate through the string from both ends and compare characters
Ignore spaces and punctuation while checking for palindrome
Convert string to lowercase for case-insensitive comparison
I applied via Campus Placement and was interviewed before May 2023. There were 3 interview rounds.
Ages, Blood Relations, Data Structures
I applied via Campus Placement and was interviewed before Dec 2023. There were 3 interview rounds.
My first round was an aptitude round that included topics from the aptitude syllabus (Quantitative, Reasoning, Verbal) along with some programming questions.
I applied via Naukri.com and was interviewed in Jun 2023. There were 3 interview rounds.
To read data from Excel, we can use libraries like Apache POI or Openpyxl.
Use Apache POI library in Java to read Excel files
Use Openpyxl library in Python to read Excel files
Identify the Excel file path and create a FileInputStream object
Create an instance of Workbook class and load the Excel file
Access the desired sheet and iterate through rows and columns to read data
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