JAVA MCQs - CSE MCQs Questions and Answers

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Which of these class contains the methods print() & println()?

System

System.out

BUfferedOutputStream

PrintStream

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Which of these methods can be used to writing console output?

print()

println()

write()

All of the mentioned

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Which of these class is used to create an object whose character sequence is mutable?

String()

StringBuffer()

Both of the mentioned

None of the mentioned

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

reverse()

reverseall()

Reverse()

reverseAll()

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Which of these classes are used by character streams output operations?

InputStream

Writer

ReadStream

InputOutputStream

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Which of the following statement is correct?

reverse() method reverses all characters.

reverseall() method reverses all characters.

replace() method replaces first occurrence of a character in invoking string with another character.

replace() method replaces last occurrence of a character in invoking string with another character.