It was originally called Oak, developed by SUN Microsystems, in a project called FirstPerson for smart appliances, such as set-top-box (interactive TV) 1992, lead by James Gosling.
It adopted C++ syntax but get rid of pointer, memory management, and multiple inheritance, which are main causes of programming errors.
It failed to be adopted by Timer Warner in Spring 93's ITV trial.
1993 Marc Andreesen developed Mosaic Web Browser, started the web revolution.
Oak found its reason for existence. A Web browser called WebRunner was developed for demonstration.
January 1995, Sun adopted Java name due to trademark issue.
Marc Andreesen saw the demo and license it for use in its browser.
Nov. 1995, 1st Beta release with developer kit and source code.
What is Java Applet
Java is a general purpose programming language.
A Java program is created as a text file with .java extension.
It is compiled into one or more files of bytecodes with .class extension.
Bytecodes are a set of instructions similar to machine code of a specific machine but it can be run on any machine that has a Java Virtual Machine (JVM). JVM interprets bytecodes.
JVM was first implemented on Sparc/Solaris and PC/Win32. Now ported to many other platforms.
Java applets are Java programs that are retrieved and executed by web browsers through the JVM under tight secure environment.
Web browsers retrieve Java applets according to following tags in the web pages:
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