gs gs128 Java String Handling - Java String Handling Basics - Quiz No.1
gs gs128 Java Quiz
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Question 1: Which of these class is superclass of String and StringBuffer class?
java.util
java.lang
ArrayList
None of the mentioned
Question 3: Which of this method of class String is used to obtain a length of String object?
get()
Sizeof()
lengthof()
length()
Question 4: Which of these method of class String is used to extract a single character from a String object?
CHARAT()
chatat()
charAt()
ChatAt()
Question 5: Which of these constructors is used to create an empty String object?
String()
String(void)
String(0)
None of the mentioned
Question 6: Which of these is an incorrect statement?
String objects are immutable, they cannot be changed
String object can point to some other reference of String variable
StringBuffer class is used to store string in a buffer for later use
None of the mentioned
