Reverse Buffer
import java.util.*;
class reverse {
public static void main(String[] args) {
StringBuffer s=new StringBuffer ("abcdef");
System.out.println(s);
s.reverse();
System.out.println(s);
}
}
import java.util.*;
class reverse {
public static void main(String[] args) {
StringBuffer s=new StringBuffer ("abcdef");
System.out.println(s);
s.reverse();
System.out.println(s);
}
}