Core java Interview Question and Answer By Vivek Part -5
#ImportJavaLang
#DuplicateImports
#StaticImport
#StaticImportVsNormalImport
#LocaleInJava
#UsingSpecificLocale
#JavaSerialization
#PurposeOfSerialization
#DeserializationInJava
#SerializationVsDeserialization
#TransientKeyword
#TransientMethod
#TransientFieldSerialization
#ExternalizableInterface
#SerializableVsExternalizable
#ReflectionInJava
#UsesOfReflection
#AccessPrivateMethod
#DynamicObjectCreation
#GarbageCollectionInJava
81.Is it mandatory to import java.lang package every time?
82. Can you import same package or class twice in your class?
83. What is a static import in Java?
84. What is the difference between import static com.test.Fooclass and
import com.test.Fooclass?
Internationalization
85. What is Locale in Java?
86. How will you use a specific Locale in Java?
Serialization
87. What is the serialization?
88. What is the purpose of serialization?
89. What is Deserialization?
90. What is Serialization and Deserialization conceptually?
91. Why do we mark a data member transient?
92. Is it allowed to mark a method as transient?
93. How does marking a field as transient makes it possible to serialize an
object?
94. What is Externalizable interface in Java?
95. What is the difference between Serializable and Externalizable
interface?
Reflection
96. What is Reflection in Java?
97. What are the uses of Reflection in Java?
98. How can we access private method of a class from outside the class?
99. How can we create an Object dynamically at Runtime in Java?
Garbage Collection
100.What is Garbage Collection in Java?
Is it mandatory to import java.lang package every time? - 00:00
Can you import the same package or class twice in your class? - 00:45
What is a static import in Java? - 01:30
What is the difference between import static com.test.Fooclass and import com.test.Fooclass? - 02:15
What is Locale in Java? - 03:00
How will you use a specific Locale in Java? - 03:45
What is Serialization? - 04:30
What is the purpose of Serialization? - 05:15
What is Deserialization? - 06:00
What is Serialization and Deserialization conceptually? - 06:45
Why do we mark a data member transient? - 07:30
Is it allowed to mark a method as transient? - 08:15
How does marking a field as transient make it possible to serialize an object? - 09:00
What is the Externalizable interface in Java? - 09:45
What is the difference between Serializable and Externalizable interface? - 10:30
What is Reflection in Java? - 11:15
What are the uses of Reflection in Java? - 12:00
How can we access a private method of a class from outside the class? - 12:45
How can we create an object dynamically at Runtime in Java? - 13:30
What is Garbage Collection in Java? - 14:15