What is the difference between dos and ddos?

The liang book has an example called which is a javafx application that reads the javabook database using a preparedstatement object. using it as a guide, create a similar application called findbooks. it will read a list of authors from the bookdb created in problem 1 and display them in a listview. if the user selects an author, it should display the author's book titles in a textarea.

Match the items with their respective descriptions.

Afiling system in which an intermediary source of reference, such as a file card, must be consulted to locate specific files is called a(n) system. a. shelf filing b. direct filing c. indirect filing d. shingling