Top 100 Java Interview Questions and Answers PART 2

This is the second part of 100 Java Interview questions and answers. If you still haven't watched the first part then please watch ( https://youtu.be/N_tnLGYYoEs ). Please checkout the playlist as well which covers most common Java coding interview question and answers for freshers Subscribe Channel : https://www.youtube.com/channel/UCaoCTb7FoUYOo9R8r_X9YHg Check out some related videos: Top 100 Java Interview Questions and Answers Part1 : https://youtu.be/N_tnLGYYoEs Java Tricky and Important Interview questions and answers : https://youtu.be/SOoxIgLiMNM Top 30 SQL Queries Interview Question and answers : https://youtu.be/sa6_kqlglLs Top 50 SQL Theory Interview Questions and answers :https://youtu.be/UZAqMAzCZss SQL Tricky and Important Interview Questions and Answers : https://youtu.be/-JwSWMm0E40 How To Prepare For Interviews : https://youtu.be/y2ID09tPZF8 Checkout the below playlists: JAVA interview questions and answers : https://www.youtube.com/playlist?list=PLKVxK2jv1oA9NlG3QXy18ov1oGl7iJk_6 SQL interview questions and answers : https://www.youtube.com/playlist?list=PLKVxK2jv1oA_t7KqNfdUgNC9x54vymFbb API TESTING USING POSTMAN: https://www.youtube.com/playlist?list=PLKVxK2jv1oA_i-fsZUzwII_Ac-TlVwgGL IT Essentials and Tricks: https://www.youtube.com/playlist?list=PLKVxK2jv1oA-Y33bY2xUSRSqX3fUtSODw Click on the timestamp to navigate to the particular question: 51. What is a marker interface? (00:25) 52. Can we define private and protected modifiers for the members in interfaces? (00:44) 53. How to make a read-only class in Java? (00:57) 54. What are the differences between abstract class and interface? (1:57) 55. What are the advantages of Encapsulation in Java? (3:45) 56. How many types of exception can occur in a Java program? (4:39) 57. What is Exception Handling? (5:46) 58. What is the base class for Error and Exception? (6:29) 59.Explain the hierarchy of Java Exception classes? (6:35) 60. Is it necessary that each try block must be followed by a catch block? (7:32) 61. Exception Handling Output? (8:18) 62. What is finally block? (09:24) 63. Can finally block be used without a catch? (10:28) 64. Is there any case when finally will not be executed? (10:38) 65. What is the difference between throw and throws? (10:52) 66. Exception Handling Output? (12:09) 67. Exception Handling Output? (12:36) 68. Can a class have an interface? (13:42) 69. Why interface methods are always public and abstract? (13:50) 70. Why Interface variables are always public , static and final ? (15:13) 71. What is String Pool? (15:42) 72. What is the meaning of immutable regarding String? (16:25) 73. How many ways can we create the string object? (16:55) 74. String Output (17:41) 75. String Output (18:46) 76. Differences between String and StringBuffer? (19:36) 77. differences between StringBuffer and StringBuilder? (20:47) 78. What is Garbage Collection? (21:21) 79. How is garbage collection controlled? (22:02) 80. How can an object be unreferenced? (22:20) 81. What is the purpose of the finalize() method (23:12) 82.Can an unreferenced object be referenced again? (24:00) 83. What kind of thread is the Garbage collector thread? (24:06) 84. What is the difference between final, finally and finalize (24:11) 85. What is Autoboxing? (25:08) 86. What is the purpose of using java.lang.Class class? (25:19) 87. What is serialization? (25:33) 88. What is Deserialization? (26:10) 89. What is multithreading? (26:22) 90. What is the thread? (26:54) 91. Can abstract method be declared with private modifier? (27:19) 92. Is it possible to create an object of Abstract Class / Interface ? (27:42) 93. Can an Interface be final ? (27:51) 94. Can Interface have constructor.? (28:05) 95. Can Abstract Class have constructor? (28:17) 96. What is the Collection framework in Java? (28:24) 97. What part of memory - Stack or Heap - is cleaned in garbage collection process? (29:06) 98.Can you call a constructor of a class inside the another constructor? (29:15) 99. What is a copy constructor in Java? (29:24) 100. What are the differences between JVM, JRE and JDK in Java? (29:47)