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Welcome to the Inbuilt Classes MCQs Page

Dive deep into the fascinating world of Inbuilt Classes with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Inbuilt Classes, a crucial aspect of Object Oriented Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Inbuilt Classes, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Object Oriented Programming.

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Check out the MCQs below to embark on an enriching journey through Inbuilt Classes. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Object Oriented Programming.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Inbuilt Classes. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Inbuilt Classes MCQs | Page 4 of 5

Explore more Topics under Object Oriented Programming

Q31.
Which is a true statement for object of String class?

a.

Object are immutable

b.

Object are mutable

c.

Object are created only once

d.

Object can’t be created

Discuss
Answer: (a).Object are immutable
Q32.
How to declare an object of class String?

a.

String object_Name = value;

b.

String object_name = new;

c.

String object_name= new value;

d.

String object_name= value new;

Discuss
Answer: (a).String object_Name = value;
Q33.
What does function length do in String class?

a.

Returns length of string including null character

b.

Returns length of string excluding null character

c.

Returns length of substring

d.

Returns size of string in bytes

Discuss
Answer: (b).Returns length of string excluding null character
Q34.
Which is the function to get the character present at a particular index in the string?

a.

char charAt(index);

b.

char charIn(StringName);

c.

char charAt(StringName);

d.

char charIn(index);

Discuss
Answer: (a).char charAt(index);
Q35.
If only one parameter is passed to substring function then __________________

a.

It returns the character at the specified position

b.

It returns the string of length 1 from the specified index

c.

It returns the string from specified index till the end

d.

It returns the string from starting of string till the specified index

Discuss
Answer: (c).It returns the string from specified index till the end
Q36.
If two index are given as argument to substring function then ___________________

a.

String of length equal to sum of two arguments is returned

b.

String starting from first index and of length equal to send argument

c.

String starting from first index and of length equal to sum of two arguments

d.

String starting from first index and ending at second index position

Discuss
Answer: (d).String starting from first index and ending at second index position
Q37.
String class have a concat() function that is used to _____________________

a.

Replace old string by new string

b.

Add two strings

c.

Append one string at end of another string

d.

Remove a string from end of one string

Discuss
Answer: (c).Append one string at end of another string
Q38.
The function lastIndexOf() is used to ___________________

a.

Get the index of last occurrence of specified character in argument

b.

Get the index of first occurrence of specified character in argument

c.

Get the index of last occurrence of first character in string

d.

Get the index of last occurrence of last character of string

Discuss
Answer: (a).Get the index of last occurrence of specified character in argument
Q39.
Function equals() is _______________ and equalIgnoreCase() is _________________

a.

Case Insensitive, case insensitive

b.

Case sensitive, Case insensitive

c.

Case sensitive, case sensitive

d.

Case insensitive, case sensitive

Discuss
Answer: (b).Case sensitive, Case insensitive
Q40.
The compareTo() function is used to ________________

a.

Compare strings value to string object

b.

Compare string value to string value

c.

Compare string object to another string object

d.

Compare string object to another string value

Discuss
Answer: (c).Compare string object to another string object
Page 4 of 5

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