Java Programming by Pearson

String and String Buffer • 281

1. Distinguish between the following terms:

(a) String and StringBuffer

(b) Length and length()

( c) equal and ==

( d) length() and capacity()

( e) setCharAt() and insert()

2. What is wrong in the following code:

Vector v = new Vector(10);

v.addElement(21);

3. Write a program that accepts a name list of five

students from the command line and store in a

vector.

4. Write a program to generate Fibonacci series

where the data are saved in vector.

5. Write a method called remove (String s1, int n)

that returns the input string with nth element

removed.

Explanation: The program is simple ...