Java Reference
In-Depth Information
Self-Test Exercises
14. What is a major difference between a website implemented with a Java applet
and a website implemented with Java Server Pages?
15. Give the HTML to create a form with two elements: a textbox named
FirstName that holds a maximum of 50 characters, and a Submit button. The
form should submit its data to a JSP program called ProcessName.jsp using
the POST method.
16. Identify the following JSP tags: <% %>, <%@ %>, <%! %>, <%= %>
17. Write a JSP scriptlet that handles the form created in Self-Test Exercise 13 and
outputs the name in a bold heading font.
Chapter Summary
A thread is a separate computation process. A Java program can have multiple threads.
Use the class Thread to produce multiple threads.
The static method Thread.sleep inserts a pause into the thread in which it is invoked.
A thread's join() method is used to wait for threads to finish. The synchronized
keyword restricts a critical region of code to a single thread only.
A socket refers to an endpoint that connects two programs over a network.
TCP refers to a reliable, streaming protocol for network communication. It ensures
that data is received in the same order it was sent.
JavaBeans refers to a framework for producing Java components that are easy to
combine with other JavaBean components to produce new applications.
A relational database organizes data in related tables. Records are stored as rows in a
table. The fields for each record are stored as columns in a table.
Java DB or Derby is a database that runs in client/server or embedded mode.
JDBC allows you to insert SQL commands into your Java code to access and
manipulate databases.
The SQL SELECT, UPDATE, CREATE TABLE , and INSERT commands allow data to
be retrieved, modified, created, or inserted into a database.
Java Server Pages (JSP) refers to a framework that allows a programmer to create
Web-based Java applications that run on the server. JSP requires a Web server capable
of compiling and running Java servlets and JSP.
 
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