What are the differences between Java and JavaScript?
JavaScript can often be confused with Java due to the similar name. However, these are two different technologies. Java is an entire programming language developed by Sun Microsystems, while JavaScript is a scripting language that was introduced by Netscape. JavaScript support is built into Opera, as it is a language used to manipulate the contents of Web pages. Java is a separate download because it is an environment in which a program can be run. Java applets generally do not interact with the Web page itself, but usually runs as a “standalone” program embedded in a Web page.