Which of the following is a method of a Closeable interface?
a) void close (ByteStream ob)
b) void close (CharacterStream ob)
c) void close (FileStream file)
d) int close()
e) void close()
Created by Nancy K.A.N.
@00:36 15-Oct-2025
Programming concepts, OOPs, Data Structures, C, C++, Java, JS, Python, and more
Which of the following is a method of a Closeable interface?
a) void close (ByteStream ob)
b) void close (CharacterStream ob)
c) void close (FileStream file)
d) int close()
e) void close()
Created by Nancy K.A.N.
@00:36 15-Oct-2025
I am Nancy. I worked in the IT sector for many years in different roles and so was in life. I created Digital technical content for many years later in my career. I have created YouTube channels for Cooking Recipes, Programming, and Nature.
I recently published a Couring books for Adults.
Where JVM stores the string literals?
a) Stack memory
b) Special area on the stack
c) String constant pool
d) none of the above
Created by Nancy K.A.N.
@13:32 06-Oct-2025
I am Nancy. I worked in the IT sector for many years in different roles and so was in life. I created Digital technical content for many years later in my career. I have created YouTube channels for Cooking Recipes, Programming, and Nature.
I recently published a Couring books for Adults.
Which of the following is the super interface of Closeable?
a) Close
b) AutoClose
c) AutoCloseable
d) Channel
Created by Nancy K.A.N.
@17:09 02-Oct-2025
I am Nancy. I worked in the IT sector for many years in different roles and so was in life. I created Digital technical content for many years later in my career. I have created YouTube channels for Cooking Recipes, Programming, and Nature.
I recently published a Couring books for Adults.
What will be the result of using super() and this() in the same method?
a) It will compile and run successfully
b) It will compile successfully, but will give a runtime error
c) It will give a compile-time error
d) Successful compilation and running will depend on the order in which super() and this() are used
Created by Nancy K.A.N.
@00:23 30-09-2025
I am Nancy. I worked in the IT sector for many years in different roles and so was in life. I created Digital technical content for many years later in my career. I have created YouTube channels for Cooking Recipes, Programming, and Nature.
I recently published a Couring books for Adults.
An Externalizable interface extends Serializable. Which of the following methods does an Externalizable interface add?
a) WriteData
b) WriteObject
c) WriteExternal
d) ReadData
e) ReadObject
f) ReadExternal
Created by Nancy K.A.N.
@00:44 28-Sept-2025
I am Nancy. I worked in the IT sector for many years in different roles and so was in life. I created Digital technical content for many years later in my career. I have created YouTube channels for Cooking Recipes, Programming, and Nature.
I recently published a Couring books for Adults.
Which of the following is not a method of a Serializable interface?
a) write()
b) serialize()
c) convertToBytes()
d) none (It has no methods)
Created by Nancy K.A.N.
@12:17 24-Sept-2025
I am Nancy. I worked in the IT sector for many years in different roles and so was in life. I created Digital technical content for many years later in my career. I have created YouTube channels for Cooking Recipes, Programming, and Nature.
I recently published a Couring books for Adults.
Which of the following is a superclass of all exceptions and Errors in Java?
a) Exception
b) RuntimeException
c) Throwable
d) Error
Created by Nancy K.A.N.
@14:04 22-Sept-2025
I am Nancy. I worked in the IT sector for many years in different roles and so was in life. I created Digital technical content for many years later in my career. I have created YouTube channels for Cooking Recipes, Programming, and Nature.
I recently published a Couring books for Adults.