Which of the following statements will you use to create an initialized array of 5 strings?
a) String str = [“hi”,
”Fiona”, ”Ruby”, ”Dixie”, “Petunia”];
b) String str[] = new String[5] {“hi”, ”Fiona”, ”Ruby”, ”Dixie”,
“Petunia”};
c) String str[] = {“hi”,
”Fiona”, ”Ruby”, ”Dixie”, “Petunia”};
d) String str[5] = {“hi”,
”Fiona”, ”Ruby”, ”Dixie”, “Petunia”};
Created by Nancy K.A.N.
@ 22:01 24-Mar-2026
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.
In 1998, JCP (Java Community Process) was established. JCP is an open mechanism for developing and standardizing Java technical specifications. The key features of JCP are standardization, expert groups, transparency, and JSRs. Developers, Java enthusiasts, and organizations can contribute and collaborate on new Java features. JSR is key to the development of the Java language. JSR stands for:
a) Java System Request
b) Java Standardization Request
c) Java Service Request
d) Java Specification Request
Created by: Nancy K.A.N.
@21:53 18-March- 2026
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.
How many times can you start a same Java thread?
a) once only
b) Any number of times
c) Three times
Created by: Nancy KAN
@11:17 11-Feb-2026
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.
Why will you use yield in a switch - case in Java?
a) It is a replacement for the default
b) It can handle multiple case statements
c) It is the only statement that can be used in the default
d) To execute multiple lines of code block in a switch and return a value
Created by Nancy K.A.N
@15:44 06-Feb-2026
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 are the main reasons that Java is not considered a pure Object-Oriented Programming language?
a) Java uses pointers
b) Java uses primitive data types like int, float, double, and so on
c) Java uses a main method like the C programming language, which is not OOP
d) Java uses static variables and methods, which are outside the scope of objects
Created by Nancy
@13:34 28-Jan-2026
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 are not a Java datatypes?
a) boolean
b) bool
c) long
d) void
e) long float
Created by Nancy K.A.N.
@13:19 16-Dec-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.
____________________ is a class whose objects cannot be changed after created.
a) A subclass
b) A final class
c) An immutable
d) An Inner class
Created by: Nancy KAN
@17:33 05-Dec-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.
1. public class MathDemo2 {
2. public static void main(String[] args) {
3. System.out.println(Math.max(29,Math.min(93,Math.min(54,Math.max(47,45)))));
4. }
5. }
6.
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 Java packages is automatically included in every Java program?
a) java.utils package
b) java.language package
c) java.lang package
d) java.io package
Created by Nancy K.A.N.
@ 31-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 is WORA in Java?
a) Write Only, Read Access
b) Write Off, Read Access
c) Write Once, Read Anywhere
d) Write Once, Run Anywhere
Created By: Nancy K.A.N.
@11:47 29-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 methods is not found in the Pseudo Random Number Generator (PRNG) API?
a) NextInt()
b) NextLong()
c) random()
d) NextDouble()
Created by Nancy K.A.N.
@13:03 25-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 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.
Which of the following methods of the Java String class is deprecated?
a) getBytes(String)
b) getBytes(int, int,byte[],int)
c) getBytes(int,int,char[],int)
d) getBytes(charset)
Created by Nancy K.A.N.
@11:44 18-09-2025
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.
One of the features of Java is auto-garbage collection. It frees the coder from keeping track of deallocating memory, though you can request garbage collection.
Which of the following can request garbage collection?
a) Runtime.free()
b) Runtime.getRuntime().gc()
c) System.gc()
d) System.clear()
Created by Nancy K.A.N.
@12:46 15-09-2025
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.
