The servlet supplement

1 Request client is requested.
Response Setting the client response
2 text/html13123 ambiguous response with download processing.
3 MIME type ambiguous in W3shool
42 kinds of writing utf-8 expression.
5 Debug jacket Bug software.
6 The value of the address bar can only be passed as a string, and the property can pass an object.
7 when selecting get post for the form
Address mode/After input address, definitely call get method. The Address bar has only the Get method.
8 Oracle, Oracle's main competitor, IBM, Microsoft
Acquisition of Sun Company.
9 Ebumberation Iterator
The constructor method of the parent class must be called in init.
11 interface only method of function, no method of implementation, interface used to set standards.
Servlet interface, HttpServlet class
13 when the server starts, an object is generated that represents the entire Web program, Web application, which is generated with the container's startup, and the destruction is turned off.
Java's underlying API provides an interface.
The in-post method does not display the passed value.
15 Stacks of memory references, global variables where we say the properties of the class.
Heap of memory really put things,
Servlets are shared in addition to the way.
locathost:8080 locked the WebApps folder.
JRE JDK
18 Copy the shortcut for a word, multi-line alignment shortcut keys.
Web mode import into JS.

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The servlet supplement