What is difference between servlet and portlet?

What is difference between servlet and portlet?

Servlets can render complete web pages, whereas portlets renders html fragments. These fragments are aggregated by the portal into a complete web page.

Which is better servlet or JSP?

Servlets are faster as compared to JSP, as they have a short response time. JSP is slower than Servlets, as the first step in the JSP lifecycle is the conversion of JSP to Java code and then the compilation of the code. Servlets are Java-based codes.

Are JSP and servlets the same?

Servlet is a java code. JSP is a html based code. Writing code for servlet is harder than JSP as it is html in java. JSP is slower than Servlet because the first step in JSP lifecycle is the translation of JSP to java code and then compile.

What is difference between servlet and Web service?

A web service is a way for software systems to communicate with each other using HTTP and XML or JSON, without any humans involved. A servlet is a Java-specific way of writing software that responds to HTTP requests.

What are portlet apps?

Portlets are reusable web modules that provide access to Web-based content, applications, and other resources. Portlets can run on the application server because it has an embedded JSR 286 Portlet container.

Are servlets outdated?

Servlets and JSPs are considered outdated technologies and no longer chosen for the new projects. These were found in use significantly for legacy projects. Servlet JSPs were used enormously in around 2000. With the popularity of emerging MVC frameworks like Struts, Webwork, Spring etc.

What are the disadvantages of JSP?

Disadvantages of JSP

• It is hard to trace JSP pages error because JSP pages are translated to servlet.
• As JSP output is HTML, it is not rich in features.
• It is very hard to debug or trace errors because JSP pages are first translated into servlets before the compilation process.
• Database connectivity is not easy.

Is servlet RESTful?

Servlets are Java specific but RESTful web services are not. Servlets are API but RESTful is not. RESTful web service can use Servlets as there implementation but vice versa is not true. Servlets can run in Servlet container only but RESTful services can run in web container as well.

What is difference between servlet and REST API?

Servlets are API which is simple and provides capabilities to write server side components. Rest provides higher level support for writing services which are denoted by using the concept of resource which represents a concept to be addressed while representation indicates the current state of resource.