Technoelevate Interview Questions and Answers

Q1. Difference between interface and functional interface
Ans. 
Interface is a blueprint of a class, while functional interface is an interface with only one abstract method.
• Interface can have multiple abstract methods, while functional interface can have only one abstract method.

• Functional interfaces can be used with lambda expressions in Java.

• Examples of functional interfaces in Java include Runnable, Callable, and ActionListener.
Answered by AI
Add your answer
Q2. Frequency of string
Ans. 
Calculate the frequency of each string in an array of strings.
• Iterate through the array and use a hashmap to store the frequency of each string

• Return the hashmap with string as key and frequency as value

• Example: ['apple', 'banana', 'apple'] => {'apple': 2, 'banana': 1}
Answered by AI
Add your answer

Arrays, string, Java

Q1. Java, springboot, Html,css
Add your answer
Q2. Exception based questions
Add your answer
Q3. Threads based question
Add your answer
Q4. Collections full concepts
Add your answer

Q1. Gerenral question, salary discussion
Add your answer

Total 35 questions were asked and criteria for next round was 50%

Q1. Asked about projects , difference between if else if ladder and switch , static members, global variables, palindrome number program , and some logical reasoning questions.
Add your answer

Q1. Are you ready to relocate ?
Add your answer
Q2. How would you handle a troubled or critical situation at work
Add your answer

Basic questions about relations and logical questions

Java concepts like polymorphism and interfaces