Refresh Java - Fundamentals of Java Programming | Q & A | Interview Preparation | Java | RedSysTech

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Refresh the Core Java - Fundamentals of Java Programming

Here we are doing self analysis our knowledge and by refreshing the concepts learned so far in our course by trying to answer some of the questions created in this video.

1. What is a Package in Java?
https://youtu.be/XD3qAmahNEk

2. What are Comments in Java?
https://youtu.be/aqLhKKvEA2Q

3. What are Reserved Keywords in Java?
https://youtu.be/rNzjITEkR-8

4. What are Statements in Java?
https://youtu.be/s3oqepuZ5Z4

5. What are Blocks in Java?
https://youtu.be/6EEAYHv-yTw

6. What are Methods in Java?
https://youtu.be/CXVTRcQKbkE

7. What is a Main Method in Java?
https://youtu.be/jogcVpI2MdM

8. What are Identifiers in Java?
https://youtu.be/fd1cpbNU59E

9. What are Variables and Constants in Java?
https://youtu.be/7jRh4LM_57g

10. What are the different types of Variables in Java?
https://youtu.be/x0Ny-ElN3KY

11. What are Separators in Java?
https://youtu.be/eSJ7yb3DwIo

12. What are data types in Java?
https://youtu.be/zHiBHy5rCJ0

13. What is Type Casting in Java?
https://youtu.be/8RnNBE78r_0

14. What are basic operators in Java?
https://youtu.be/EXBNv9vrnnU

15. What are Arithmetic operators in Java?
https://youtu.be/MKufK4kFqsE

16. What are Relational operators in Java?
https://youtu.be/Q96izY6zPqA

17. What are Bitwise operators in Java?
https://youtu.be/2CaoEb5l5r8

18. What are logical operators in Java?
https://youtu.be/g-Zk2rgTXVo

19. What are Assignment operators in Java?
https://youtu.be/yL9sGo-Kr8I

20. What are Conditional operators in Java?
https://youtu.be/eLTXXlDjzNo

21. What is instanceof operator in Java?
https://youtu.be/LsPz3EB60Rc

22. What are input and output streams in Java?
https://youtu.be/hPxJ8zYppr8

23. How to use Scanner & BufferedReader class in Java?
https://youtu.be/_Fhash_bVPs

24. How to use System.out & BufferedWriter class in Java?
https://youtu.be/OY_25C3vXDU

25. Memory Management Stack and Heap in Java
https://youtu.be/ZA-rOr4FYkA

26. How to use static keyword in Java?
https://youtu.be/EpZxZRJwP2E

27. What is an Object class and it's methods in Java?
https://youtu.be/eLARwFavgSI

28. How Garbage Collector works internally in Java?
https://youtu.be/78CgzbT3YrE

29. How Constructor works internally in Java?
https://youtu.be/qPNCRHB3_s4

30. What is Parent and Child class in Java?
https://youtu.be/Cotrh-HN86s

31. What is Constructor overloading and Constructor overriding in Java?
https://youtu.be/gRzogMvQmHo

32. nested classes in java
https://youtu.be/yT4p8x863Rg

33. What is Static Nested class in Java?
https://youtu.be/S1zLaMuxC9w

34. What is Member Inner Nested class in Java?
https://youtu.be/0io-i4T2WjY

35. What is local Inner Nested class in Java?
https://youtu.be/31_xIakhyow

36. What is Anonymous Inner class in Java?
https://youtu.be/OjNYUlYgPPA

37. What is "this" keyword in Java?
https://youtu.be/6XaBDnr8iSg

38. How to use "super" keyword in Java?
https://youtu.be/W7TOBlgXRdw

39. How to use this() super() methods?
https://youtu.be/OFuckPItptk

40. What and How Interface works internally jav?
https://youtu.be/WWm7r9LICi8

41. How to implement Multiple inheritance in Java?
https://youtu.be/JtDD0xPmqCg

42. What is Abstract class and Abstract method in Java?
https://youtu.be/jeQbLOI8Dso

43. Abstract Class vs Interface in Java
https://youtu.be/JJ4SVjGqjjI

44. String Class and it's methods in Java
https://youtu.be/Oz4-T61uXgU

45. why string is immutable in java
https://youtu.be/ESVLZz24Z04

46. Difference between equals() and == operator in Java
https://youtu.be/aGtiBfH4ppQ

47. String Constant Pool in Java
https://youtu.be/kNKiqi5KrZk

48. stringbuffer java
https://youtu.be/oW-E6_k0j18

49. StringBuilder in Java
https://youtu.be/_t8qVkJZcx8

50. StringBuilder vs StringBuffer in Java
https://youtu.be/XLj0Eq7ar3c

51. Exception handling in Java
https://youtu.be/rmCLCiIVHl0

52. Difference between exception and error
https://youtu.be/0CAM3W1DKJY

53. final finally and finalize
https://youtu.be/8X_so9XNJ-c

54. system.exit(0) vs system.exit(1) vs system.exit(-1) java
https://youtu.be/IiNVolhsAyo

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