What will be the output of the following Java code?
class output
{
public static void main(String args[])
{
StringBuffer s1 = new StringBuffer("Hello");
s1.setCharAt(1,'x');
System.out.println(s1);
}
}
class output
{
public static void main(String args[])
{
StringBuffer s1 = new StringBuffer("Hello");
s1.setCharAt(1,'x');
System.out.println(s1);
}
}
A. xello
B. xxxxx
C. Hxllo
D. Hexlo
Answer: Option C
Related Questions on Strings
In Java, which class is used to represent a sequence of characters as a string?
A. String
B. StringBuilder
C. StringSequence
D. StringArray
What is the correct way to create a new empty String object in Java?
A. String emptyString = "";
B. String emptyString = new String();
C. String emptyString = " ";
D. String emptyString = null;
E. Both A and B
Which of the following methods is used to compare two strings for equality in Java?
A. equals()
B. compareTo()
C. equalsIgnoreCase()
D. compare()
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