Discussion Forum : Introduction To Methods And Streams
Question -
class output {
public static void main(String args[])
{
StringBuffer c = new StringBuffer("Hello");
System.out.println(c.length());
}
}
What is the output of this program?
class output {
public static void main(String args[])
{
StringBuffer c = new StringBuffer("Hello");
System.out.println(c.length());
}
}
Answer: Option B
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length() method is used to obtain length of StringBuffer object, length of "Hello" is 5.
Output:
$ javac output.java
$ java output
5
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