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Can you solve these questions?

Which package is used for all the text related modifications?

java.text

java.awt

java.text.modify

java.lang.text

Correct! Wrong!

Which of the following constant are defined in Character wrapper?

MAX_RADIX

MAX_VALUE

All of the mentioned

TYPE

Correct! Wrong!

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

sort()

find()

get()

binaryserach()

Correct! Wrong!

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

Both a and b

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

Correct! Wrong!

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

getProperty()

Elementat()

get()

ElementAt()

Correct! Wrong!

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

redo()

put()

addd()

set()

Correct! Wrong!

Which of the below is not a subinterface of Queue?

BlockingQueue

TransferQueue

None of these

BlockingEnque

Correct! Wrong!

Which constructs an anonymous inner class instance?

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

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

Runnable r = new Runnable() { };

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

Correct! Wrong!

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

Instance variables

Class Variables

Static variables

Local variables

Correct! Wrong!

Nameless object refers to _______

A reference object without a name.

Superclass object created in the subclass

An object created with a new keyword.

An object without a reference.

Correct! Wrong!

How many JDBC driver types does Sun define?

Three

One

Four

Two

Correct! Wrong!

Which is a Basic interface that all other interface inherits?

Collection

Array

List

Set

Correct! Wrong!

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

All of the above are supported

VBScript only

Jscript only

Java only

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

both a and b

None of the above

Correct! Wrong!

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

Parameterized constructor

None of the above

Default constructor

Overloading constructor

Correct! Wrong!

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

delete()

removeLast()

deleteLast()

remove()

Correct! Wrong!

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

rand()

randomize()

shuffle()

ambiguous()

Correct! Wrong!

Which option is false about the final keyword?

A final method can be inherited.

A final method cannot be overridden in its subclasses.

A final class cannot be extended.

A final class cannot extend other classes.

Correct! Wrong!

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

Should be assignable to String type

Should be assignable to the Error type

Should be assignable to Throwable type

Should be assignable to the Exception type

Correct! Wrong!

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

Encapsulation

Polymorphism

None of the above

Inheritance

Correct! Wrong!

Java Quiz

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Can you solve these questions?

Which package is used for all the text related modifications?

Which of the following constant are defined in Character wrapper?

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

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

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

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

Which of the below is not a subinterface of Queue?

Which constructs an anonymous inner class instance?

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

Nameless object refers to _______

How many JDBC driver types does Sun define?

Which is a Basic interface that all other interface inherits?

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

What is the disadvantage of Garbage Collection?

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

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

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

Which option is false about the final keyword?

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

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

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3600 Skilling Eco-System

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ENROLL into ABC's 5 Days FREE Orientation Program

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Commitment to Excellence

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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 of the following constant are defined in Character wrapper?

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

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

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

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

Which of the below is not a subinterface of Queue?

Which constructs an anonymous inner class instance?

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

Nameless object refers to _______

How many JDBC driver types does Sun define?

Which is a Basic interface that all other interface inherits?

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

What is the disadvantage of Garbage Collection?

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

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

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

Which option is false about the final keyword?

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

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

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