ServiceNow Software Developer Interview Questions and Answers

Hacker rank mcq medium to hard level 1 hr duration

Q1. Oops , diff composition and inheritance
Add your answer
Q2. Design pattern explain singleton , abstract factory
Ans. 
Singleton ensures a class has only one instance, while Abstract Factory provides an interface for creating families of related objects.
• Singleton pattern restricts the instantiation of a class to one object, ensuring there is only one instance of the class.

• Abstract Factory pattern provides an interface to create families of related or dependent objects without specifying their concrete classes.

• Singleton pattern can be i...read more
Answered by AI
Add your answer
Q3. Implement linked list , all combination string in python
Ans. 
Implement linked list and generate all combination strings in Python.
• Create a Node class to represent each element in the linked list.

• Implement methods to add nodes, delete nodes, and generate all combinations of strings.

• Use recursion to generate all combinations of strings.
Answered by AI
Add your answer

Q1. Introduction about my skills and projects
Add your answer
Q2. Situation based question on my projects , talk about security and performance in my projects
Add your answer

Q1. Introduction about me and my family members
Add your answer
Q2. Relocation comfortable , about my friends who are placed , why many people from my college
Add your answer

2 CODING QUESTION WITH SIMPLE COMPUTER BASIC MCQS

GAVE 3 QUESTION SHOUL ANSWEER ANY 1 OF THEM AND U GO TO NEXT ROUND IF U SOLVE

Q1. Introduce yourself
Ans. 
I am a software developer with 5 years of experience in Java, Python, and SQL.
• 5 years of experience in Java, Python, and SQL

• Strong problem-solving skills

• Experience working in Agile development environment
Answered by AI
Add your answer
Q2. What are 4 pillars of oops
Ans. 
Encapsulation, Inheritance, Polymorphism, Abstraction
• Encapsulation: Bundling data and methods that operate on the data into a single unit. Example: Class in Java

• Inheritance: Ability of a class to inherit properties and behavior from another class. Example: Parent class and child class relationship

• Polymorphism: Ability to present the same interface for different data types. Example: Method overloading and method overrid...read more
Answered by AI
Add your answer

Q1. How do u see yourself in next 5 years
Ans. 
In the next 5 years, I see myself growing into a senior software developer role, leading projects and mentoring junior developers.
• Continuing to enhance my technical skills through ongoing learning and certifications

• Taking on more responsibilities in project management and leadership roles

• Mentoring and guiding junior developers to help them grow in their careers

• Contributing to the success and growth of the company throu...read more
Answered by AI
Add your answer
Q2. Why should we hire you
Ans. 
I have a strong technical background, excellent problem-solving skills, and a passion for software development.
• I have a Bachelor's degree in Computer Science and 5 years of experience in software development.

• I have successfully completed multiple projects using various programming languages such as Java, Python, and JavaScript.

• I am a quick learner and always eager to stay updated with the latest technologies and trends
Answered by AI
Add your answer

Q1. What is inheritance?
Ans. 
Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
• Allows a class to reuse code from another class

• Creates a parent-child relationship between classes

• Derived class inherits attributes and methods from base class
Answered by AI
Add your answer
Q2. What is oop principles?
Ans. 
OOP principles are the fundamental concepts of object-oriented programming that help in designing and implementing software solutions.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

• Inheritance: Allowing a class to inherit properties and behavior from another class.

• Polymorphism: The ability of objects to take on multiple forms or have multiple behaviors.

• Abstraction: Hiding t...read more
Answered by AI
Add your answer
Q3. What is polymorphism principle?
Ans. 
Polymorphism is the ability of a function or method to behave differently based on the object it is acting upon.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• It enables a single interface to be used for different data types or objects.

• Examples include method overloading and method overriding in object-oriented programming languages like Java.
Answered by AI
Add your answer