Found 9297 Articles for Object Oriented Programming

What is difference between GET and POST method in HTTP protocol?

Ankith Reddy
Updated on 30-Jul-2019 22:30:25

387 Views

GET methodThe GET method sends the encoded user information appended to the page request. The page and the encoded information are separated by the ? character as follows −http://www.test.com/hello?key1=value1&key2=value2The GET method is the default method to pass information from the browser to the web server and it produces a long string that appears in your browser's Location:box. It is recommended that the GET method is better not used. if you have a password or other sensitive information to pass to the server.The GET method has size limitation: only 1024 characters can be in a request string.This information is passed using ... Read More

Please share a running example of include directive in JSP

karthikeya Boyini
Updated on 30-Jul-2019 22:30:25

51 Views

The include directive is used to include a file during the translation phase. This directive tells the container to merge the content of other external files with the current JSP during the translation phase. You may code include directives anywhere in your JSP page.The general usage form of this directive is as follows −The filename in the include directive is actually a relative URL. If you just specify a filename with no associated path, the JSP compiler assumes that the file is in the same directory as your JSP.You can write the XML equivalent of the above syntax as follows ... Read More

What is a include directive in JSP?

Samual Sam
Updated on 30-Jul-2019 22:30:25

151 Views

The include directive is used to include a file during the translation phase. This directive tells the container to merge the content of other external files with the current JSP during the translation phase. You may code the include directives anywhere in your JSP page.The general usage form of this directive is as follows −

What is isScriptingEnabled Attribute in JSP?

karthikeya Boyini
Updated on 30-Jul-2019 22:30:25

223 Views

The isScriptingEnabled attribute determines if the scripting elements are allowed for use.The default value (true) enables scriptlets, expressions, and declarations. If the attribute's value is set to false, a translation-time error will be raised if the JSP uses any scriptlets, expressions (non-EL), or declarations.The attribute's value can be set to false if you want to restrict the usage of scriptlets, expressions (non-EL), or declarations −

What is isELIgnored Attribute in JSP?

Samual Sam
Updated on 30-Jul-2019 22:30:25

6K+ Views

The isELIgnored attribute gives you the ability to disable the evaluation of Expression Language (EL) expressions which has been introduced in JSP 2.0.The default value of the attribute is true, meaning that expressions, ${...}, are evaluated as dictated by the JSP specification. If the attribute is set to false, then expressions are not evaluated but rather treated as static text.Following directive sets an expression not to be evaluated −

What is session attribute in JSP?

karthikeya Boyini
Updated on 30-Jul-2019 22:30:25

2K+ Views

The session attribute indicates whether or not the JSP page uses HTTP sessions. A value of true means that the JSP page has access to a builtin session object and a value of false means that the JSP page cannot access the builtin session object.Following directive allows the JSP page to use any of the builtin object session methods such as session.getCreationTime() or session.getLastAccessTime() −

What is language attribute in JSP?

Samual Sam
Updated on 30-Jul-2019 22:30:25

351 Views

The language attribute indicates the programming language used in scripting the JSP page.For example, because you usually use Java as the scripting language, your language option looks like this −

What is isThreadSafe attribute in JSP?

karthikeya Boyini
Updated on 30-Jul-2019 22:30:25

1K+ Views

The isThreadSafe option marks a page as being thread-safe. By default, all JSPs are considered thread-safe. If you set the isThreadSafe option to false, the JSP engine makes sure that only one thread at a time is executing your JSP.The following page directive sets the isThreadSafe option to false −

What is info attribute in JSP?

Samual Sam
Updated on 30-Jul-2019 22:30:25

255 Views

The info attribute lets you provide a description of the JSP. The following is a coding example −

What is import attribute in JSP?

karthikeya Boyini
Updated on 30-Jul-2019 22:30:25

1K+ Views

The import attribute serves the same function as and behaves like, the Java import statement. The value for the import option is the name of the package you want to import.To import java.sql.*, use the following page directive −To import multiple packages, you can specify them separated by comma as follows −By default, a container automatically imports java.lang.*, javax.servlet.*, javax.servlet.jsp.*, and javax.servlet.http.*.

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