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ABB Test Engineer Interview Questions and Answers
ABB Test Engineer Interview Experiences
1 interview found
raghavendra
(2 Questions)
- Q1. Why main method is static
- Ans.
The main method is static in Java because it needs to be called by the JVM without creating an instance of the class.
Static methods can be called without creating an instance of the class.
The main method is the entry point of a Java program, so it needs to be accessible without creating objects.
Having the main method as static ensures that it can be called by the JVM before any objects are created.
- Q2. Can we overload construction
- Ans.
Overloading construction is possible in programming by defining multiple functions with the same name but different parameters.
In programming, overloading construction refers to defining multiple functions with the same name but different parameters.
The compiler determines which function to call based on the number and types of arguments passed to it.
For example, you can have multiple functions named 'calculate' that a...
Skills evaluated in this interview
Interview questions from similar companies
Software Engineer Interview Questions & Answers
Larsen & Toubro Limited
Anonymous
posted on 20 Feb 2015
Interview Questionnaire
1 Question
- Q1. About Yourself
Interview Preparation Tips
Experience: Test level was medium, as i also sat for mahindra, i found L&T test was harder than mahindra!
Tips: Just study RS agarwal
Round: Group Discussion
Experience: It was easy for me, coz i was aware about tips of GD
Tips: Be the leader, if possibleTalk in between, even if u dont know topic much
Duration: 20 minutes
Round: Interview
Experience: This question was damn easy for me, coz i can talk more based on my activities & resume
Tips: Dont hesitate, stay calm & describe yourself, but not family background
General Tips: Be yourself, no technical knowledge is required(depends on panel u get)
Skill Tips: ""
College Name: IIT Roorkee
Motivation: To get placed!
I applied via Naukri.com and was interviewed before May 2020. There were 5 interview rounds.
Interview Questionnaire
1 Question
- Q1. Scenario based to be solved with python
Interview Preparation Tips
I applied via Naukri.com and was interviewed before Jun 2019. There were 3 interview rounds.
Interview Questionnaire
4 Questions
- Q1. Implement stack data structure
- Ans.
Implement stack data structure
Use an array or linked list to store elements
Push operation adds element to top of stack
Pop operation removes element from top of stack
Peek operation returns top element without removing it
- Q2. How global variable work , how its shared by all function
- Ans.
Global variables are accessible from any part of the program and can be modified by any function.
Global variables are declared outside of any function.
They can be accessed and modified by any function in the program.
If a function modifies the value of a global variable, the new value is visible to all other functions.
Global variables can be useful for sharing data between functions.
However, overuse of global variables
- Q3. Program to transpose the matrix
- Ans.
Program to transpose a matrix
Iterate through rows and columns of the matrix
Swap the elements at (i,j) and (j,i) positions
Return the transposed matrix
- Q4. Internal implementation of pre and post fix operator
- Ans.
Pre and post fix operators are used to increment or decrement a value before or after it is used in an expression.
Pre-fix operator (++x) increments the value of x and returns the new value.
Post-fix operator (x++) returns the value of x and then increments it.
Both operators can be used with variables of numeric data types.
They can also be used with pointers to increment or decrement the memory address they point to.
Interview Preparation Tips
Skills evaluated in this interview
Interview Questionnaire
1 Question
- Q1. 1. What are delegates? 2. Question on Linq C# 3. Most of the questions were on design patterns and SOLID principles 4. OOPS concepts 5. Puzzles were also there.
Software Engineer Interview Questions & Answers
Larsen & Toubro Limited
Anonymous
posted on 6 Jan 2021
Interview Questionnaire
3 Questions
- Q1. Static keyword. Object creation
- Q2. Virtual function and run time polymorphism
- Q3. Compile time polymorphism and example
- Ans.
Compile time polymorphism is achieved through function overloading and templates.
Function overloading allows multiple functions with the same name but different parameters.
Templates allow generic programming by defining functions or classes that can work with different data types.
Examples of function overloading include cout<< for different data types and sqrt() for float and double.
Examples of templates include vector
I applied via Recruitment Consulltant and was interviewed in May 2022. There were 3 interview rounds.
(3 Questions)
- Q1. Details of OoPs concept.
- Q2. Write a program using OoPs concept
- Ans.
Program using OOPs concept
Identify the objects and their properties
Create classes and define their methods
Use inheritance and polymorphism
Encapsulate data and use access modifiers
Example: A program to simulate a bank account
- Q3. How do code review in your project
- Ans.
Code reviews are conducted regularly to ensure code quality and adherence to coding standards.
Code reviews are conducted by peers or senior developers.
Reviewers check for code quality, readability, maintainability, and adherence to coding standards.
Issues found during code review are documented and addressed by the developer.
Code reviews are conducted regularly, either before merging code or on a scheduled basis.
Tools ...
One programming challange just to see how good you use OOPs
Interview Preparation Tips
Skills evaluated in this interview
I applied via Recruitment Consulltant and was interviewed in Nov 2022. There were 3 interview rounds.
(3 Questions)
- Q1. Introduction about your work and Tech work
- Ans.
I have been working as a Software Engineer for the past 5 years, specializing in developing web applications using Java and JavaScript.
Proficient in Java and JavaScript
Experience in developing web applications
Strong understanding of software development principles
Familiarity with agile methodologies
Knowledge of database management systems
Experience with version control systems like Git
Ability to work in a team and comm
- Q2. All Details of OOPs concepts
- Q3. Write a code by using OOPs technology result doesn't matter approach will be considered
Coding Round two questions with OOPs concepts
Interview Preparation Tips
- OOPS
Be Genuine
Write code by separating UI with Logic using OOPs
Coding on dsa with easy will question
(1 Question)
- Q1. Draw a linked list
I applied via Recruitment Consultant and was interviewed in Apr 2021. There were 8 interview rounds.
Interview Questionnaire
1 Question
- Q1. A lot of technical questions on WPF and C#.Net
Interview Preparation Tips
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