Explore topic-wise MCQs in Java.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Java knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of this method of class StringBuffer is used to get the length of the sequence of characters?

A. length()
B. capacity()
C. Length()
D. Capacity()
Answer» E.
2.

Which of this method of class StringBuffer is used to reverse sequence of characters?

A. reverse()
B. reverseall()
C. Reverse()
D. reverseAll()
Answer» B. reverseall()
3.

one

A. two
B. onetwo
C. twoone
Answer» B. onetwo
4.

Which of these methods of class StringBuffer is used to extract a substring from a String object?

A. substring()
B. Substring()
C. SubString()
D. None of the mentioned
Answer» B. Substring()