Manisha
Java Interview Questions and Answers (Part-I)
Q21. What is a Copy Constructor in Java? A copy constructor is a special constructor used to create a new object by copying the values from an existing ...
Java Interview Questions and Answers (Level-1)
Q1. What are the data types in Java? Java supports two main categories of data types: Example: java int age = 25; String name = “John”; 🔹 Q2. ...
Java Backend Developer Interview Questions (Level-3)
24. How to find the longest word in a list using Streams? java List<String> words = Arrays.asList(“apple”, “banana”, “cherry”, “date”); String longestWord = words.stream() .max(Comparator.comparingInt(String::length)) .orElse(null); System.out.println(longestWord); // ...
Java Backend Developer Interview Questions (Level-2)
12. What Are the Different Types of Streams in Java 8? Java 8 introduced two types of streams for functional-style data processing: 13. Can You Use Multiple Filters ...
Java Backend Developer Interview Questions (Level-1)
Question 1: What are the main features introduced in Java 8? Answer:Java 8 introduced several powerful features that transformed Java into a more modern programming language: Question 2: ...
FRONTEND INTERVIEW QUESTIONS & ANSWERS (Level-3)
🔹 React.js Q24: What is the difference between Redux Thunk and Redux Saga? A: Thunk uses functions for async actions; Saga uses generator functions for more complex async ...
FRONTEND INTERVIEW QUESTIONS & ANSWERS (Level-2)
🔹 React.js Q14: What are controlled vs uncontrolled components? A: Controlled components rely on React state to manage input values. Uncontrolled components use the DOM to manage their ...
FRONTEND INTERVIEW QUESTIONS & ANSWERS (Level-1)
🔹 React.js Q1: What is React.js? A: React.js is an open-source JavaScript library used for building user interfaces, especially single-page applications. It allows developers to create reusable UI ...
BACKEND INTERVIEW QUESTIONS & ANSWERS (Level-3)
Q.19: Describe the RESTful API design principles. Answer: RESTful APIs follow six guiding principles to ensure predictable, scalable, and well-structured services. By following these principles, RESTful APIs provide ...
BACKEND INTERVIEW QUESTIONS & ANSWERS (Level-2)
10: Difference between Clustered and Non-Clustered Index Answer: A clustered index determines the physical order of data in the table. It is faster but requires less memory and ...
