Menu
Home / CSE MCQs / JAVA MCQs :: Strings - Java

CSE MCQs :: JAVA MCQs

JAVA MCQs - Packages
JAVA MCQs - Arrays - Java
JAVA MCQs - Strings - Java
JAVA MCQs - Threads - Java
JAVA MCQs - Applets - Java
JAVA MCQs - Java.io Package
JAVA MCQs - Operators - Java
JAVA MCQs - Interfaces - Java
JAVA MCQs - Data Types - Java
JAVA MCQs - java.lang Package
JAVA MCQs - java.util Package
JAVA MCQs - Collections - Java
JAVA MCQs - Serialization - Java
JAVA MCQs - Exception Handling - Java
JAVA MCQs - Input Output Streams - Java
  1. Which of the following statement is correct?
    2. A.
    reverse() method reverses all characters.
    B.
    reverseall() method reverses all characters.
    C.
    replace() method replaces first occurrence of a character in invoking string with another character.
    D.
    replace() method replaces last occurrence of a character in invoking string with another character

    View Answer

    Workspace

    Discuss Discuss in Forum

  2. Which of these method of class StringBuffer is used to extract a substring from a String object?
    3. A.
    substring()
    B.
    Substring()
    C.
    SubString()
    D.
    None of the mentioned

    View Answer

    Workspace

    Discuss Discuss in Forum

  3. What will s2 contain after following lines of code?

     StringBuffer s1 = "one;

     StringBuffer s2 = s1.append("two)

    4. A.
    one
    B.
    two
    C.
    onetwo
    D.
    twoone

    View Answer

    Workspace

    Discuss Discuss in Forum

  4. Which of these method of class StringBuffer is used to reverse sequence of characters?
    5. A.
    reverse()
    B.
    reverseall()
    C.
    Reverse()
    D.
    reverseAll()

    View Answer

    Workspace

    Discuss Discuss in Forum

  5. Which of these method of class StringBuffer is used to get the length of sequence of characters?
    6. A.
    length()
    B.
    capacity()
    C.
    Length()
    D.
    Capacity()

    View Answer

    Workspace

    Discuss Discuss in Forum

  6. Which of the following are incorrect form of StringBuffer class constructor?
    7. A.
    StringBuffer()
    B.
    StringBuffer(int size)
    C.
    StringBuffer(String str)
    D.
    StringBuffer(int size , String str)

    View Answer

    Workspace

    Discuss Discuss in Forum

Java Programming Questions and Answers Interview Questions and Answers