Does javascript count as java?

javascript is not considered java, javascript and java are two completely different concepts: 1. javascript is a scripting language, and its design is mainly influenced by Self and Scheme; 2. Java is an object-oriented programming language , can write desktop applications, etc.

The operating environment of this article: Windows 7 system, javascript version 1.8.5, DELL G3 computer

Does javascript count as java?

Javascript is not considered java. JavaScript and java are two completely different concepts. JavaScript and Java have many similarities in name or syntax, but the two programming languages ​​are very different from the beginning of their design. The language design of JavaScript is mainly influenced by Self (a prototype-based programming language) and Scheme (a functional programming language). In terms of grammatical structure, it has many similarities with the C language (such as if conditional statements, switch statements, while loops, do-while loops, etc.).

Let’s take a look at the history of the formation of javascript and you will know whether javascript is considered java.

In 1993, the National Center for Supercomputer Applications (NCSA) released NCSA Mosaic, the earliest popular graphical interface web browser, which played an important role in the popularization of the World Wide Web. In 1994, Mosaic's main developers immediately founded Netscape Company and hired many of the original NCSA Mosaic developers to develop Netscape Navigator. The company's goal was to replace NCSA Mosaic and become the world's number one web browser. Within four months, it had captured three-quarters of the browser market and became the dominant browser on the Internet in the 1990s. Netscape foresaw the need for the web to become more dynamic. The company's founder, Marc Andreessen, believed that HTML needed a glue language that web designers and part-time programmers could easily use to assemble components such as images and plug-ins, and the code could be written directly in web page markup.

In 1995, Netscape recruited Brandon Ek with the goal of embedding the Scheme language into the Netscape Navigator browser [13]. But earlier, Netscape had cooperated with Sun to support Java in Netscape Navigator. At this time, there was a fierce debate within Netscape [14]. Later, Netscape decided to invent an auxiliary scripting language to be used with Java and had a similar syntax [15]. This decision ruled out the use of existing languages ​​such as Perl, Python, Tcl or Scheme. To defend the idea of ​​JavaScript among other competing proposals, the company needed a working prototype. Ike designed the prototype in just ten days in May 1995.

Originally named Mocha, it was renamed LiveScript in the Beta version of Netscape Navigator 2.0 in September 1995. In December of the same year, it was renamed JavaScript when deployed in Netscape Navigator 2.0 Beta 3. At that time, Netscape and In order to make this language catch up with the "hot word" of Java, a programming language, the development alliance formed by Sun Microsystems temporarily changed its name to JavaScript. In the future, this became one of the reasons why the public had many misunderstandings about this language.

Introduction to java:

Java is an object-oriented programming language that not only absorbs the various advantages of the C language, but also abandons the incomprehensible multiple inheritance in C , pointers and other concepts, so the Java language has two characteristics: powerful and simple to use. As a representative of static object-oriented programming languages, Java language perfectly implements object-oriented theory and allows programmers to perform complex programming with an elegant way of thinking.

Java has the characteristics of simplicity, object-oriented, distributed, robustness, security, platform independence and portability, multi-threading, and dynamics. Java can write desktop applications, Web applications, distributed systems and embedded system applications, etc.

Recommended learning: "javascript basic tutorial" "java video tutorial"

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