🚀 Top 20 Java 8 Interview Questions with Scenarios and Solutions

Java 8 introduced powerful features like Streams, Optional, Functional Interfaces, and Default Methods that significantly improved the way we write code. In this article, we will explore the top 10 Java 8 interview questions, complete with real-world scenarios and solutions to help you ace your next interview!

🚀 Top 20 Java 8 Interview Questions with Scenarios and Solutions

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1. How does Java 8 improve performance with Streams over traditional loops?

📆 Scenario:

You have a list of employees and need to filter those earning more than 50,000, then sort them by salary.

✅ Solution:

import java.util.*;
import java.util.stream.Collectors;

class Employee {
    String name;
    double salary;
    Employee(String name, double salary) {…