8. String input in java.,..

class buff
{
public static void main(String a[])
{
    StringBuffer sb=new StringBuffer("computer");
    System.out.println(sb);
    System.out.println();
    System.out.println(sb);
    System.out.println(sb.length());
   System.out.println(sb.capacity());
   System.out.println(sb);
   sb.setLength(5);
   System.out.println(sb);
System.out.println();
System.out.println(sb.charAt(3));
StringBuffer s=new StringBuffer("computer");
System.out.println(s);
System.out.println();
System.out.println(s);
s.setCharAt(1,'a');
System.out.println(s);
System.out.println();
s.insert(5,"FAST");
System.out.println(s);
}
}