1. Here I found many interesting interview questions about Spring.
2. Tricky question: "Why multiple inheritance is not supported in Java"
3. How HashMap works in Java
4. Why String is immutable or final in Java
5. What is String Pool in Java
6. Why character array is better than String for storing password in Java
7. How substring method works in Java
8. How Thread.join() method works in Java
9. What is deadlock and how to avoid it in Java
10. How volatile in Java works
11. What is Race Condition in Java
12. Understanding a Java thread dump
13. Difference between start and run method in Thread
14. Design pattern interview questions
15. Some information about Java Heap Space
16. Short brief about WeakHashmap
17. How Garbage Collection works in Java
18. Difference between start and run method in Thread
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