Book shelf problem using basics in java

Bookshelf.java

/**
 * Write a description of class Bookshelf here.
 * 
 * @author (Yaswanth) 
 * @version (09-08-2015)
 */
public class Bookshelf
{
 private String bookName;
 private int noOfBooks;
 private String listOfBooks;
 Bookshelf()
 {
     bookName="";
     listOfBooks="";
     noOfBooks=0;
     System.out.println("Bookshelf is created");
   }
   
   public void addBook(String name)
   {
       listOfBooks = listOfBooks+name+",";
       noOfBooks=noOfBooks+1;
    }
    public void removeBook(String name)
    {
       listOfBooks = listOfBooks.replace(name+",","");
       noOfBooks=noOfBooks-1;
    }
    public void searchBook(String name)
    {
        if(this.listOfBooks.indexOf(name)>0)
        {
        System.out.println("Book is present in shelf");
    }
    else
    {
        System.out.println("Book is not present in shelf");
    }
    }
    public String getAllBooks()
    {   System.out.println("Number of books in shelf: "+noOfBooks);
        System.out.print("List of books: ");
        return listOfBooks;
    }
    public static void main(String args[])
    {
        Bookshelf bs=new Bookshelf();
        bs.addBook("LetUsC");
        bs.addBook("ThinkJava");
        bs.removeBook("LetUsC");
        bs.addBook("DataStructures");
        bs.searchBook("LetUsC");
        System.out.println(bs.getAllBooks());
    }
}