Core Java Interview Questions

1. 1. Introduction/1. About this Course.mp412.17MB
2. 2. Core Java Interview Questions/1. What is Platform Independency.mp45.56MB
3. 2. Core Java Interview Questions/10. What are the differences between String and StringBuffer.mp43.03MB
4. 2. Core Java Interview Questions/100. What are daemon threads in java.mp46.33MB
5. 2. Core Java Interview Questions/101. Can we change Main Thread to daemon.mp4769.79KB
6. 2. Core Java Interview Questions/102. Why to use nested classes in Java.mp49.42MB
7. 2. Core Java Interview Questions/103. Will compiler create a default constructor if there a parameterized constructor.mp43.29MB
8. 2. Core Java Interview Questions/104. Can we override static methods in Java.mp44.39MB
9. 2. Core Java Interview Questions/105. Explain on static imports in Java..mp47.46MB
10. 2. Core Java Interview Questions/106. What is an Immutable Object What is the strategy for defining Immutable Object.mp416.84MB
11. 2. Core Java Interview Questions/107. Explain on CountDownLatch..mp413.88MB
12. 2. Core Java Interview Questions/108. Explain on ThreadLocal class..mp416.51MB
13. 2. Core Java Interview Questions/109. Explain on the class ThreadGroup..mp440.57MB
14. 2. Core Java Interview Questions/11. What are the differences between StringBuffer and StringBuilder.mp41.07MB
15. 2. Core Java Interview Questions/110. Which Class is the superclass of every Class.mp41.82MB
16. 2. Core Java Interview Questions/111. Does system.exit() in try block executes finally block.mp41.76MB
17. 2. Core Java Interview Questions/112. What are Executors What is their significance.mp42.89MB
18. 2. Core Java Interview Questions/113. Explain on the interface Executor..mp43.89MB
19. 2. Core Java Interview Questions/114. Explain on the interface ExecutorService. How is it different from the interface.mp43.56MB
20. 2. Core Java Interview Questions/115. Explain on shutdown() of ExecutorService..mp410.61MB
21. 2. Core Java Interview Questions/116. Explain on shutdownNow() of ExecutorService..mp414.67MB
22. 2. Core Java Interview Questions/117. Explain on awaitTermination() of ExecutorService..mp49.16MB
23. 2. Core Java Interview Questions/118. Explain on the interface ScheduledExecutorService..mp414.51MB
24. 2. Core Java Interview Questions/119. Explain on the class Executors..mp48.32MB
25. 2. Core Java Interview Questions/12. Explain the Java Object Law for hashCode() and equals()..mp49.05MB
26. 2. Core Java Interview Questions/120. Explain on the interface ThreadFactory..mp46.7MB
27. 2. Core Java Interview Questions/121. Explain the significance of CompletionService..mp413.79MB
28. 2. Core Java Interview Questions/122. Explain the functioning of cancel() of Future class..mp411.51MB
29. 2. Core Java Interview Questions/123. Explain on Tight Coupling and Loose Coupling..mp432.99MB
30. 2. Core Java Interview Questions/124. Is it allowed to assign a parameterized type to its raw type.mp43.78MB
31. 2. Core Java Interview Questions/125. What are various Restrictions on Generics.mp414.41MB
32. 2. Core Java Interview Questions/126. What is the advantage of default methods in Interfaces.mp43.19MB
33. 2. Core Java Interview Questions/127. What is the advantage of private methods in Interfaces.mp43.3MB
34. 2. Core Java Interview Questions/128. Can we use Diamond Operator with Anonymous Classes.mp41.4MB
35. 2. Core Java Interview Questions/129. What is Implicit Casting.mp41.44MB
36. 2. Core Java Interview Questions/13. Explain on Method Overloading..mp46.69MB
37. 2. Core Java Interview Questions/130. What is Explicit Casting.mp41.12MB
38. 2. Core Java Interview Questions/131. What is OutOfMemoryError.mp43.16MB
39. 2. Core Java Interview Questions/132. Where are String values stored in memory.mp42.44MB
40. 2. Core Java Interview Questions/133. What is the difference between == and equals() method.mp41.79MB
41. 2. Core Java Interview Questions/134. What is Jar Hell ClassPath Hell.mp49.35MB
42. 2. Core Java Interview Questions/135. Explain on the interface Externalizable..mp425.36MB
43. 2. Core Java Interview Questions/136. Can you explain a few exception handling best practices..mp47.19MB
44. 2. Core Java Interview Questions/137. Name the methods of an Object class..mp410.51MB
45. 2. Core Java Interview Questions/138. Explain on Heap Polution..mp46.31MB
46. 2. Core Java Interview Questions/139. When does a Java Collection throw UnsupportedOperationException.mp45.66MB
47. 2. Core Java Interview Questions/14. Explain on Method Overriding..mp44.3MB
48. 2. Core Java Interview Questions/140. Can you explain the relationship between Lambda Expression and Functional Interf.mp41.42MB
49. 2. Core Java Interview Questions/141. Are Constructors of an object invoked when the object is de-serialized.mp44.3MB
50. 2. Core Java Interview Questions/142. Where to use and where not to use Assertions.mp413.62MB
51. 2. Core Java Interview Questions/143. For which purpose we use @SafeVarargs.mp44.02MB
52. 2. Core Java Interview Questions/144. Explain the differences between Runnable and Callable..mp41.94MB
53. 2. Core Java Interview Questions/145. Explain on LoadFactor of a HashMap..mp411.07MB
54. 2. Core Java Interview Questions/146. Explain the difference between Synchronized Collections and Concurrent Collectio.mp47.03MB
55. 2. Core Java Interview Questions/147. Explain the differences between Synchronized Map and ConcurrentHashMap..mp44.14MB
56. 2. Core Java Interview Questions/148. Explain on the interface Lock. How is it different from using synchronized appro.mp412.24MB
57. 2. Core Java Interview Questions/15. Is Multiple Inheritance allowed in Java If not, how to achieve it.mp410.36MB
58. 2. Core Java Interview Questions/16. Explain few important points on Interfaces..mp41.99MB
59. 2. Core Java Interview Questions/17. Explain the differences between Abstract Class and Interface..mp43.41MB
60. 2. Core Java Interview Questions/18. How do you call a Super Class Constructor from a Constructor.mp42.78MB
61. 2. Core Java Interview Questions/19. What are the uses of this keyword in Java.mp42.01MB
62. 2. Core Java Interview Questions/2. What is the role of ClassLoader.mp44.31MB
63. 2. Core Java Interview Questions/20. Will super class constructor gets called when no explicit call from child class.mp44.33MB
64. 2. Core Java Interview Questions/21. What is Polymorphism What are its advantages.mp48.6MB
65. 2. Core Java Interview Questions/22. What is Encapsulation.mp410.17MB
66. 2. Core Java Interview Questions/23. Explain on Nested Inner class..mp47.68MB
67. 2. Core Java Interview Questions/24. Explain on Method-Local Inner class..mp43.57MB
68. 2. Core Java Interview Questions/25. Explain on Anonymous Inner class..mp43.68MB
69. 2. Core Java Interview Questions/26. Explain on Static Nested class.mp42.14MB
70. 2. Core Java Interview Questions/27. Explain on default access modifier..mp46.29MB
71. 2. Core Java Interview Questions/28. Explain on Protected access modifier..mp44.49MB
72. 2. Core Java Interview Questions/29. Explain on Private access modifier..mp42.11MB
73. 2. Core Java Interview Questions/3. What is the use of join method in threads.mp47.45MB
74. 2. Core Java Interview Questions/30. Explain on final modifier..mp41.65MB
75. 2. Core Java Interview Questions/31. Explain on Enhanced For Loop..mp41.8MB
76. 2. Core Java Interview Questions/32. What is the need for finally block.mp46.41MB
77. 2. Core Java Interview Questions/33. In what scenarios the code in finally block will not get executed.mp41.84MB
78. 2. Core Java Interview Questions/34. Can you explain the hierarchy of Exception Handling classes.mp43.4MB
79. 2. Core Java Interview Questions/35. What is the difference between Error and Exception.mp47.88MB
80. 2. Core Java Interview Questions/36. What is the difference between Checked Exceptions and Unchecked Exceptions.mp46.15MB
81. 2. Core Java Interview Questions/37. Can you explain about try with resources.mp46.45MB
82. 2. Core Java Interview Questions/38. What is an Enum.mp48.56MB
83. 2. Core Java Interview Questions/39. What are Variable Arguments or varargs.mp45.47MB
84. 2. Core Java Interview Questions/4. Is Java pass by value or pass by reference.mp48.42MB
85. 2. Core Java Interview Questions/40. Explain on Automatic Garbage Collection..mp49.87MB
86. 2. Core Java Interview Questions/41. Explain on finalize()..mp46.8MB
87. 2. Core Java Interview Questions/42. What is Serialization Explain..mp416.2MB
88. 2. Core Java Interview Questions/43. What is serialVersionUID Explain..mp410.55MB
89. 2. Core Java Interview Questions/44. What are the important interfaces in the Collection Hierarchy.mp418.19MB
90. 2. Core Java Interview Questions/45. What are the important methods that are declared in the Collection Interface.mp411.88MB
91. 2. Core Java Interview Questions/46. Explain on ArrayList..mp49.97MB
92. 2. Core Java Interview Questions/47. Explain on Enumeration Interface..mp47.05MB
93. 2. Core Java Interview Questions/48. Explain on Iterator..mp410.47MB
94. 2. Core Java Interview Questions/49. Explain on ListIterator..mp423.07MB
95. 2. Core Java Interview Questions/5. What is the purpose of introduction of Generics.mp425.56MB
96. 2. Core Java Interview Questions/50. How do you sort elements in an ArrayList using Comparable interface.mp414.16MB
97. 2. Core Java Interview Questions/51. How do you sort an ArrayList using Comparator interface.mp410.05MB
98. 2. Core Java Interview Questions/52. Is Enumeration fail-fast.mp42.49MB
99. 2. Core Java Interview Questions/53. Is Iterator fail-fast.mp42.66MB
100. 2. Core Java Interview Questions/54. How Vector is different from an ArrayList.mp42.51MB
101. 2. Core Java Interview Questions/55. What is LinkedList How is it different from an ArrayList.mp48.4MB
102. 2. Core Java Interview Questions/56. Explain on Queue Interface..mp47.18MB
103. 2. Core Java Interview Questions/57. What are the important interfaces and classes related to the Set Interface.mp44.14MB
104. 2. Core Java Interview Questions/58. What is the difference between Set and SortedSet interfaces.mp45.64MB
105. 2. Core Java Interview Questions/59. What is a HashSet.mp44.13MB
106. 2. Core Java Interview Questions/6. What is the difference between PATH and CLASSPATH.mp47.31MB
107. 2. Core Java Interview Questions/60. What is a LinkedHashSet How is it different from HashSet.mp49.14MB
108. 2. Core Java Interview Questions/61. Explain on NavigableSet..mp47.48MB
109. 2. Core Java Interview Questions/62. What is a TreeSet How is it different from HashSet.mp43.74MB
110. 2. Core Java Interview Questions/63. Explain briefly about Deque Interface.mp410.01MB
111. 2. Core Java Interview Questions/64. Explain on BlockingQueue interface..mp49.52MB
112. 2. Core Java Interview Questions/65. What is the difference between Map and SortedMap.mp412.95MB
113. 2. Core Java Interview Questions/66. Explain on Navigable Map..mp413.22MB
114. 2. Core Java Interview Questions/67. Explain on CopyOnWriteArrayList.mp48.16MB
115. 2. Core Java Interview Questions/68. What is difference between fail-fast and fail-safe iterators.mp47.91MB
116. 2. Core Java Interview Questions/69. Explain on Atomic Classes..mp49.37MB
117. 2. Core Java Interview Questions/7. Why isn't Java a 100% object-oriented language.mp44.52MB
118. 2. Core Java Interview Questions/70. How do you declare a Generic Class.mp43.74MB
119. 2. Core Java Interview Questions/71. How can we restrict Generics to a subclass of particular class.mp44.26MB
120. 2. Core Java Interview Questions/72. Give an example of Generic Method..mp42.61MB
121. 2. Core Java Interview Questions/73. What are the different ways in which a thread can be created.mp45.11MB
122. 2. Core Java Interview Questions/74. What are the different states of a Thread.mp46.75MB
123. 2. Core Java Interview Questions/75. What is priority of a thread How do you change the priority of a thread.mp46.13MB
124. 2. Core Java Interview Questions/76. Can a static method be synchronized.mp47.84MB
125. 2. Core Java Interview Questions/77. Explain on the method Yield()..mp44.74MB
126. 2. Core Java Interview Questions/78. Explain on the methods wait() and notify(). Implement Producer-Consumer scenario.mp429.41MB
127. 2. Core Java Interview Questions/79. What is a Stream.mp46.64MB
128. 2. Core Java Interview Questions/8. Explain on static blocks..mp48.53MB
129. 2. Core Java Interview Questions/80. Explain on intermediate and terminal operations in streams..mp44.81MB
130. 2. Core Java Interview Questions/81. What are Method References What are the various kinds of method references.mp417.68MB
131. 2. Core Java Interview Questions/82. Explain Java coding conventions for classes.mp42.51MB
132. 2. Core Java Interview Questions/83. Explain Java Coding standards for interfaces..mp4847.31KB
133. 2. Core Java Interview Questions/84. Explain Java Coding standards for Methods..mp41.07MB
134. 2. Core Java Interview Questions/85. Explain about instanceof operator in Java..mp48.7MB
135. 2. Core Java Interview Questions/86. Can we have multiple classes in single file.mp41.98MB
136. 2. Core Java Interview Questions/87. What all access modifiers are allowed for top class.mp42.65MB
137. 2. Core Java Interview Questions/88. Explain Naming Conventions for Packages..mp46.32MB
138. 2. Core Java Interview Questions/89. Can we write any code after throw statement.mp42.26MB
139. 2. Core Java Interview Questions/9. Why do we need Wrapper Classes.mp48.03MB
140. 2. Core Java Interview Questions/90. Explain when NoClassDefFoundError will be raised..mp41.91MB
141. 2. Core Java Interview Questions/91. Explain when ClassNotFoundException will be thrown..mp43.6MB
142. 2. Core Java Interview Questions/92. What are different types of multitasking.mp41.97MB
143. 2. Core Java Interview Questions/93. What is the difference between process and thread.mp43.98MB
144. 2. Core Java Interview Questions/94. What is a lock or purpose of a lock in Java.mp44.21MB
145. 2. Core Java Interview Questions/95. In how many ways we can do synchronization in Java.mp44.8MB
146. 2. Core Java Interview Questions/96. Assume that a thread has lock on it,will calling sleep() on that thread release.mp41.99MB
147. 2. Core Java Interview Questions/97. Among the two ways of creating a thread, what is the best way.mp41.48MB
148. 2. Core Java Interview Questions/98. Explain about interrupt() method of thread class..mp48.14MB
149. 2. Core Java Interview Questions/99. Explain which of the following methods release the lock when executed.mp41.17MB
150. 3. Conclusion/1. The Beginning.mp42.58MB