Top 12 Java Interview Questions & Coding Programs | Java 8 Stream API | Crack Java Interviews

Pubblicato il: 22 giugno 2026
sul canale di: MTech Coding

In this video, we will solve 12 must-know Java Interview Questions that are frequently asked in Java Developer, Spring Boot Developer, and Backend Developer interviews.

✅ Sort an Array Without Using Collections Framework
✅ Find Duplicate Elements in a List
✅ Remove Duplicates from a List
✅ Find the First Non-Repeated Character in a String
✅ Find the Second Highest Number in a List
✅ Count the Frequency of Characters in a String
✅ Find the Longest String in a List
✅ Separate Even and Odd Numbers Using Stream API
✅ Find the Employee with the Second Highest Salary in Each Department
✅ Convert a List to a Map Using Stream API
✅ Reverse a String Using Recursion
✅ Create a Thread-Safe Singleton Logger Class

Topics Covered:
✔ Java 8 Stream API
✔ Collections Framework
✔ String Programs
✔ Recursion
✔ Map & List
✔ Comparator
✔ GroupingBy
✔ PartitioningBy
✔ Singleton Design Pattern
✔ Coding Interview Questions

Perfect For:
✔ Java Developers
✔ Spring Boot Developers
✔ Backend Developers
✔ Freshers
✔ Experienced Professionals
✔ Interview Preparation

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