update

Author: ashmeet07

index.html

@@ -183,6 +183,9 @@ <h3>Beginner ---> Advance </h3>
             </li>
           </ul>
         </section>
+        <section>
+          <button class="dropdown-btn" style="background-color:rgb(16, 217, 16);"><a href="#interviewquestions/" onclick="loadContent('interviewquestions/')">Interview Questions</a>
+        </section>
       </nav>
       <div class="join-community-wrapper">
         <a href="http://github.com/techquanta" class="join-community" target="_blank">

interviewquestions/index.md

@@ -0,0 +1,81 @@
+# `Java Interview Questions`
+---
+<br/>
+
+## `Core Java & OOPs`
+<br/>
+
+#### Q1. What are the features of Java?  
+#### Q2. Explain the OOPs concepts in Java.  
+#### Q3. Provide examples of method overloading and method overriding.  
+#### Q4. What is the difference between `final` and `static` keywords in Java?  
+#### Q5. Is Java purely object-oriented? Explain Java's nature.  
+#### Q6. What is the difference between ArrayList and Array in terms of efficiency and memory?  
+#### Q7. Differentiate between HashMap, Hashtable, and HashSet.  
+#### Q8. Can we override the `equals()` method or the `==` operator in Java?  
+#### Q9. What is the difference between `throw` and `throws`?  
+#### Q10. Explain abstraction, abstract class, and interface.  
+#### Q11. Provide an example of using packages in Java.  
+#### Q12. Share useful Java code snippets.  
+#### Q13. What is the difference between runtime and compile-time polymorphism?  
+#### Q14. What is the difference between JavaScript and Java?  
+#### Q15. What is the difference between HashSet and HashMap?  
+#### Q16. Why did you choose Java?  
+#### Q17. Can we print anything before the execution of the `main()` function?  
+#### Q18. Explain the keywords used in Java.  
+#### Q19. What is the Collection Framework in Java?  
+#### Q20. Provide a string-based coding question and solve it using the Collection Framework.  
+#### Q21. What are the functions of ArrayList in Java?  
+#### Q22. Common string coding questions.  
+#### Q23. Common array coding questions.  
+#### Q24. What is multithreading in Java?  
+#### Q25. What is the difference between function overloading and function overlapping?  
+#### Q26. What is a wrapper class in Java?  
+#### Q27. Explain the Object class in detail.  
+#### Q28. What is JDBC? Write the connection code.  
+#### Q29. How does JSP and Servlet work? Explain how you implemented Servlet in your project.  
+#### Q30. What is the difference between cookies and HttpSession?  
+#### Q31. Explain your project.  
+#### Q32. Do you have any internship experience? Explain in detail about your internship and the projects you worked on.  
+#### Q33. Write pseudo-code for the following problems:  
+- 3 string problems  
+- 1 circular linked list problem  
+- 2 array problems  
+
+#### Q34. Why did you prefer Python over Java?  
+#### Q35. Which language is better: Java or Python? What are the advantages of using Python?
+
+<br/>
+
+## `JVM, Memory Management & Classpath`
+
+<br/>
+
+#### Q36. What is the Java Virtual Machine (JVM)?  
+#### Q37. What is the Java Memory Model?  
+#### Q38. Explain the different memory areas allocated by JVM.  
+#### Q39. What are the roles of Heap and Stack memory in Java?  
+#### Q40. What is PermGen (or Metaspace in Java 8+)?  
+#### Q41. What is garbage collection in Java and how does it work?  
+#### Q42. What are strong, weak, soft, and phantom references in Java?  
+#### Q43. How do you analyze memory leaks in a Java application?  
+#### Q44. What tools do you use to monitor or profile JVM memory usage?  
+#### Q45. Explain the lifecycle of a Java object in memory.  
+#### Q46. How does Java handle `OutOfMemoryError` and `StackOverflowError`?  
+#### Q47. What is escape analysis and how does it impact memory allocation?  
+#### Q48. What is the difference between `System.gc()` and actual garbage collection?  
+
+
+<br/>
+
+## `Classpath & Compilation`
+<br/>
+
+
+#### Q49. What is classpath in Java?  
+#### Q50. How do you set classpath in Java (Windows/Linux)?  
+#### Q51. What is the difference between classpath and path variables?  
+#### Q52. What happens if the classpath is set incorrectly?  
+#### Q53. Can a Java application run without setting the classpath?  
+#### Q54. What are the best practices for managing classpath in large projects?
+

styles.css

@@ -202,8 +202,8 @@ body {
 #menu-toggle {
   background: transparent;
   border: none;
-  height  :50px;
-  width   :50px;
+  height  :30px;
+  width   :30px;
   cursor: pointer;
   transition: transform 0.3s ease-in-out;
   position: fixed;