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Found 9150 Articles for Object Oriented Programming

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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

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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

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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 −

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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 −

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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 −

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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() −

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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 −

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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.*.