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📚 Welcome to Success Seat! 🚀
Prepare to ace your next job interview with these Top 50 Java Interview Questions and Answers. Covering core Java concepts, Object-Oriented Programming (OOP), loops, operators, exceptions, and much more, this video is perfect for freshers and experienced developers preparing for placements or job interviews.

Topics Covered:

Core Java Basics
OOP Principles: Inheritance, Polymorphism, Encapsulation
Exception Handling
Java Collections Framework
Multithreading and Concurrency
Java 8 Features (Lambdas, Streams, Functional Interfaces)

🕒 Timelines for Quick Navigation:

00:00 Introduction
00:44 1) What is Java?
01:30 2) What are the features of Java?
02:43 3) What is Java?
03:32 4) Explain JVM, JRE and JDK?
04:37 5) What is a Class and an Object?
05:18 6) What are the principles of OOPs?
06:09 7) Overloading VS Overriding?
07:02 8) Abstract VS Interface?
07:47 9 Explain the ‘Final’ Keyword?
08:25 10) What is a constructor in java?
08:58 11) String VS StringBuilder VS String Buffer
09:47 12)Heap VS Stack memory
10:27 13)Explain the concept of garbage collector in java?
11:07 14)What is the difference between ‘==” and equals()?
11:44 15)What is Multithreading in Java?
12:23 16) Process VS Thread?
13:16 17) Explain Synchronization in Java?
13:54 18)What are checked and unchecked exceptions in Java?
14:44 19) Array VS Array List?
15:26 20) what is the purpose of ‘Super’ keyword?
16:06 21) Explain the use of the ‘this’ keyword?
16:40 22) What is package in java?
17:18 23) Explain the concept of java collections framework?
18:12 24) Difference between HashMap and Hash Table?
18:58 25) Difference between ‘throw’ and ‘throws’?
19:37 26)What is a static keyword in java?
20:20 27) What are access modifiers in Java?
21:03 28) What is Exception handing?
22:00 29) Abstract VS Concrete Classes
22:47 30) Explain the concept of Polymorphism?
23:31 31) Abstraction VS Encapsulation?
24:16 32) What are Java Annotations?
24:54 33) What is the default value of variables in Java?
25:33 34) What are generics in Java?
26:17 35) Difference between wait() and sleep() methods?
27:05 36) What is a Daemon Thread?
27:41 37) What is method chaining in Java?
28:15 38) Array List VS LinkedList?
29:06 39) What is Java Stream API?
29:55 40) Comparable VS Comparator?
30:50 41) What is the Synchronized Keyword in Java?
31:31 42) Final VS Finally VS Finalize Keywords
32:37 43) What are Lambda Expressions in Java?
33:27 44) What is an Anonymous Class in Java?
34:09 45) What is the Singleton Class in Java?
34:46 46) What are Wrapper Class?
35:27 47) What is Serialization in Java?
36:09 48) What is Dependency Injection?
36:49 49) Explain Java Class Loader?
37:33 50) What is String pool in Java?
38:52 Conclusion



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