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This article will explain in detail what JSP is in JAVA. The editor thinks it is very practical, so I share it with you as a reference. I hope you can get something after reading this article.

What is JSP

The full name of JSP is Java Server Page, which means Java server page. Its appearance is to reduce the difficulty of dynamic web page development, it is worth noting that JSP itself is also Servlet.

Second, the advantages of JSP (compared with Servlet)

1. Separate static HTML code from dynamic Java code for easy maintenance

two。 Output instructions are more efficient

3. Debugging is easier.

III. Basic grammar of JSP

1. Code block

The JSP code block is used to embed Java code in JSP. The syntax is

For example:

two。 Declare building block

The JSP declaration building block is used to declare variables or methods, and the syntax is

For example:

3. Output instruction

The JSP output instruction is used to display the execution result of the Java code in the JSP page. The syntax is

For example:

4. Processing instruction

The commonly used processing instructions are,. Page is used to define the current JSP page global settings, such as character sets; include is used to merge other JSP pages with the current JSP page, such as JSP page reuse; and taglib is used to introduce JSP tag libraries.

IV. Notes

, JSP comment, the annotated statement does not do any processing

/ /, / *... * /, used for java code in comments. The commented code is not executed.

, html comments, the annotated statements will not be interpreted by the browser

This is the end of this article on "what is JSP in JAVA?". I hope the above content can be of some help to you, so that you can learn more knowledge. if you think the article is good, please share it for more people to see.

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