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Reverse a string in Java using StringBuilder's reverse method.
Create a StringBuilder object with the input string
Use the reverse() method of StringBuilder to reverse the string
Convert the reversed StringBuilder object back to a string using toString()
An interface in software development is a contract that defines the methods that a class must implement.
Interfaces in programming languages like Java, C#, and TypeScript provide a way to achieve abstraction and multiple inheritance.
Classes implementing an interface must provide concrete implementations for all the methods defined in the interface.
Interfaces allow for loose coupling between components, making code more
I applied via Naukri.com and was interviewed in Nov 2023. There was 1 interview round.
A Java program to reverse a string
Create a char array from the input string
Use two pointers to swap characters from start and end of the array
Convert the char array back to a string and return
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I applied via Recruitment Consulltant and was interviewed before Nov 2023. There were 3 interview rounds.
IBM interview questions for designations
I applied via Campus Placement
Coding test Whit box testing black book testing Gray Box testing
Get interview-ready with Top IBM Interview Questions
Hashmaps, inheritance, webdriver, cucumber, testng framework, maven dependencies,extent reports, excel handling
Sample codes for automation using Selenium WebDriver, Maven, Git, Jenkins
Selenium WebDriver: driver.findElement(By.id("elementID")).sendKeys("text")
Maven: mvn clean install
Git: git clone https://github.com/username/repository.git
Jenkins: create a new job and configure it to run the automation tests
I applied via Company Website and was interviewed in Jun 2022. There were 2 interview rounds.
Framework, cucumber, BDD
Framework design involves creating a structured approach to automate testing.
Identify the testing requirements and objectives
Choose a suitable automation tool
Create a modular and reusable code structure
Implement error handling and reporting mechanisms
Integrate with version control and continuous integration systems
Ensure scalability and maintainability
Examples: Keyword-driven, Data-driven, Hybrid frameworks
To read data from Excel, we can use libraries like Apache POI or OpenCSV.
Create a FileInputStream object to read the Excel file
Create a Workbook object using the FileInputStream object
Get the sheet from the Workbook object using sheet name or index
Iterate through rows and columns to read data
Close the Workbook and FileInputStream objects
I was interviewed before Sep 2020.
Round duration - 140 minutes
Round difficulty - Medium
Test timing was at 2:00 pm , it was conducted in a college and the environment was good for the test. Camera was a primary part of test, so no suspicious activity.
Given two numbers in the form of two arrays where each element of the array represents a digit, calculate the sum of these two numbers and return this sum as an ar...
Given two numbers represented as arrays, calculate their sum and return the result as an array.
Iterate through the arrays from right to left, adding digits and carrying over if necessary
Handle cases where one array is longer than the other by considering the remaining digits
Ensure the final sum array does not have any leading zeros
Round duration - 20 minutes
Round difficulty - Easy
The round was conducted at around 12 p.m. I was called at the college location and then it was conducted. The interviewer was quite polite and frank.
Round duration - 8 minutes
Round difficulty - Easy
This round was conducted right after finishing and clearing the technical round at the same place and on the same day.
Tip 1 : Practice atleast 2-3 Coding problems daily so your logic building becomes stronger.
Tip 2 : Exercise problems based on OOPS concepts and others too.
Tip 3 : If you can have your own project built, then it's the major point and will act as a plus point.
Tip 1 : Your resume should be in standard form, short and simple will be more effective.
Tip 2 : Whatever you have learned, you need to mention it in your resume as that will be your primary source of selection and having project on your resume is important.
I applied via Campus Placement and was interviewed before Feb 2020. There were 4 interview rounds.
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