Jet2 Travel Technologies RPA Developer Interview Questions and Answers

Q1. How make a queue using a stack
Ans. 
To implement a queue using a stack, use two stacks and simulate the queue operations.
• Use two stacks, one for enqueue operation and one for dequeue operation.

• For enqueue operation, simply push elements onto the stack used for enqueueing.

• For dequeue operation, if the dequeue stack is empty, pop all elements from enqueue stack and push onto dequeue stack.

• Then pop from the dequeue stack to simulate dequeue operation.
Answered by AI
Add your answer
Q2. Create a linked list
Ans. 
A linked list is a data structure consisting of nodes where each node points to the next node in the sequence.
• Create a Node class with data and next pointer

• Initialize a head pointer to null

• Add nodes by updating next pointers

• Traverse the list by following next pointers
Answered by AI
Add your answer

It was ok. I was not able to solve all the questions.

Q1. Remove the last element from a linkedlist
Add your answer
Q2. Some basic questions on oops dbms and os
Add your answer

Q1. What is normalization
Ans. 
Normalization is the process of organizing data in a database to reduce redundancy and improve data integrity.
• Normalization helps in minimizing data redundancy by dividing the database into multiple tables.

• It ensures data integrity by avoiding update anomalies.

• Normalization is achieved through a series of rules called normal forms, such as 1NF, 2NF, 3NF, etc.

• Example: In a database, instead of storing customer details i...read more
Answered by AI
Add your answer
Q2. What is reflection
Ans. 
Reflection is the ability of a program to examine and modify its own structure and behavior at runtime.
• Allows accessing metadata of types and members at runtime

• Enables dynamic instantiation of objects

• Facilitates invoking methods dynamically
Answered by AI
Add your answer

The interviewer asked about javascript basics and DSA questions and some typescript questions

Q1. Tell me about
Add your answer
Q2. Your self they are asking
Add your answer
Q3. What is your weakness
Add your answer
Q4. Any questions ask for me
Add your answer
Q5. All the best future
Add your answer

Coding for international

Normal apti questions test is easy

Opps,java basics, question on array and string as an array

Q1. Machine round collection framework pattern design array mid term SIngleton design pattern
Add your answer

Q1. More dmbs and sql questions salary
Add your answer

Simple question on maths

Q1. Explain OOPS concept
Ans. 
OOPS (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data and code.
• OOPS focuses on creating objects that interact with each other to solve complex problems

• Key principles include encapsulation, inheritance, polymorphism, and abstraction

• Encapsulation ensures that the internal state of an object is hidden from the outside world

• Inheritance allows a class to inherit...read more
Answered by AI
Add your answer
Q2. Coding array questions
Add your answer

String , array,recursion.pattern question

Q1. Array string recursion
Add your answer
Q2. Sort the o 1 2 0
Ans. 
The numbers should be sorted in ascending order: 0 1 2
• Use a sorting algorithm like bubble sort, selection sort, or insertion sort

• Compare each number with the next one and swap if necessary

• Repeat the process until the array is sorted
Answered by AI
Add your answer
Q3. Pattern question
Add your answer