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Experience Tech Skilling Through Edutainment

Can you solve these questions?

Which package is used for all the text related modifications?

java.text

java.awt

java.lang.text

java.text.modify

Correct! Wrong!

Which method is used to add an element and corresponding key to a map?

put()

set()

redo()

addd()

Correct! Wrong!

Which method can be used to search an element in a list?

find()

sort()

get()

binaryserach()

Correct! Wrong!

How many JDBC driver types does Sun define?

One

Two

Three

Four

Correct! Wrong!

What programming language(s) or scripting language(s) does Java Server Pages (JSP) support?

VBScript only

Jscript only

Java only

All of the above are supported

Correct! Wrong!

Which constructs an anonymous inner class instance?

Runnable r = new Runnable() { };

Runnable r = new Runnable(public void run() { });

Runnable r = new Runnable { public void run(){}};

System.out.println(new Runnable() {public void run() { }});

Correct! Wrong!

Nameless object refers to _______

An object created with a new keyword.

Superclass object created in the subclass

A reference object without a name.

An object without a reference.

Correct! Wrong!

Which is a Basic interface that all other interface inherits?

Set

Array

List

Collection

Correct! Wrong!

Which method is used to randomize all elements in a list?

rand()

randomize()

shuffle()

ambiguous()

Correct! Wrong!

Which variables are created inside an object when we create an object by making use of a new keyword?

Local variables

Instance variables

Class Variables

Static variables

Correct! Wrong!

Which of the following constructor is used to provide different values to distinct objects?

Default constructor

Parameterized constructor

Overloading constructor

None of the above

Correct! Wrong!

What will happen if we call run() directly instead of start()?

Each thread begins with a separate call stack.

the run() method goes onto the current call stack rather than at the beginning of a new call stack.

None of these

Both a and b

Correct! Wrong!

If an object acquires all the properties and behaviours of the parent object, then it is called as ________

Inheritance

Encapsulation

Polymorphism

None of the above

Correct! Wrong!

Which of the below is not a subinterface of Queue?

BlockingQueue

BlockingEnque

TransferQueue

None of these

Correct! Wrong!

Which option is false about the final keyword?

A final method cannot be overridden in its subclasses.

A final class cannot be extended.

A final class cannot extend other classes.

A final method can be inherited.

Correct! Wrong!

Which of the following constant are defined in Character wrapper?

TYPE

MAX_VALUE

MAX_RADIX

All of the mentioned

Correct! Wrong!

Which of the following is true of the object thrown by a throw statement?

Should be assignable to the Exception type

Should be assignable to Throwable type

Should be assignable to the Error type

Correct! Wrong!

What is the disadvantage of Garbage Collection?

It makes java memory efficient because the garbage collector removes the unreferenced objects from heap memory

The garbage collector automatically does it, so we don't need to make extra efforts

None of the above

both a and b

Correct! Wrong!

Which method is used to retrieve the elements in properties object at specific location?

get()

Elementat()

ElementAt()

getProperty()

Correct! Wrong!

Which of the method is used to delete the last element in a LinkedList object?

remove()

delete()

removeLast()

deleteLast()

Correct! Wrong!

Well Done! Keep Coming Back For More Such Questions.

Correct! Wrong!

360⁰ Skilling
Eco-System

Pioneering
Edutainment
ENROLL into ABC's
5 Days FREE Orientation Program
100_%

ENROLL into ABC's
5 Days FREE Orientation Program

100_%

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Commitment to
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Welcome to ABC

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Experience Tech Skilling Through Edutainment

Can you solve these questions?

Which package is used for all the text related modifications?

Which method is used to add an element and corresponding key to a map?

Which method can be used to search an element in a list?

How many JDBC driver types does Sun define?

What programming language(s) or scripting language(s) does Java Server Pages (JSP) support?

Which constructs an anonymous inner class instance?

Nameless object refers to _______

Which is a Basic interface that all other interface inherits?

Which method is used to randomize all elements in a list?

Which variables are created inside an object when we create an object by making use of a new keyword?

Which of the following constructor is used to provide different values to distinct objects?

What will happen if we call run() directly instead of start()?

If an object acquires all the properties and behaviours of the parent object, then it is called as ________

Which of the below is not a subinterface of Queue?

Which option is false about the final keyword?

Which of the following constant are defined in Character wrapper?

Which of the following is true of the object thrown by a throw statement?

What is the disadvantage of Garbage Collection?

Which method is used to retrieve the elements in properties object at specific location?

Which of the method is used to delete the last element in a LinkedList object?

Well Done! Keep Coming Back For More Such Questions.

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3600 Skilling Eco-System

Pioneering EdutainmentENROLL into ABC's 5 Days FREE Orientation Program100%

ENROLL into ABC's 5 Days FREE Orientation Program

100%

Play to Your Strengths

Commitment to Excellence

First-Rate Curriculum

Welcome to ABC

Register Below

Experience Tech Skilling Through Edutainment

Can you solve these questions?

Which package is used for all the text related modifications?

Which method is used to add an element and corresponding key to a map?

Which method can be used to search an element in a list?

How many JDBC driver types does Sun define?

What programming language(s) or scripting language(s) does Java Server Pages (JSP) support?

Which constructs an anonymous inner class instance?

Nameless object refers to _______

Which is a Basic interface that all other interface inherits?

Which method is used to randomize all elements in a list?

Which variables are created inside an object when we create an object by making use of a new keyword?

Which of the following constructor is used to provide different values to distinct objects?

What will happen if we call run() directly instead of start()?

If an object acquires all the properties and behaviours of the parent object, then it is called as ________

Which of the below is not a subinterface of Queue?

Which option is false about the final keyword?

Which of the following constant are defined in Character wrapper?

Which of the following is true of the object thrown by a throw statement?

What is the disadvantage of Garbage Collection?

Which method is used to retrieve the elements in properties object at specific location?

Which of the method is used to delete the last element in a LinkedList object?

Well Done! Keep Coming Back For More Such Questions.

Hear From ABC's Trainees...

Course Brochure

Register for a free demo

360⁰ Skilling
Eco-System

Pioneering
Edutainment
ENROLL into ABC's
5 Days FREE Orientation Program
100_%

ENROLL into ABC's
5 Days FREE Orientation Program

100_%

Play to Your
Strengths

Commitment to
Excellence

First-Rate
Curriculum