\\StringBuffer Method
1.append*
2.capacity*
3.charat*
4.reverse*
5.replace
6.delete charat
7.substance
8.insert*

\\Vector
Create a vector of initail capacity 4 & increment 2
1.Display the capcity,size of the vector
2.add 2 int,2float.2strings
3.display the capacity of the vector
4.display the 1st & last elemnt of the vector
5.chk if a vector contains a particular element
if contain den display else display is dosent contain(use if else)
6.Delete a particular elemnt frm a vector
7.find the index of particular elemnt in vector
8.Using enumeration interface display the contain of vector
