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33 - Using an external class in our servlet

Back End DevelopmentLesson⏱ 4m57

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Chapters

83 lessons

The different editions of Java

What is the difference between JAVA SE and JAVA EE?

01 - Installing the JDK 8

02 - Setting JAVA_HOME on Mac

03 - Setting JAVA_HOME on PC

04 - Installing NetBeans

05 - Downloading Tomcat

06 - Creating your first application

07 - Understanding our project's architecture

08 - Dependencies vs Java dependencies

09 - Running our first program

10 - Running our application from the command line

11 - Configuring pom.xml to generate our manifest

12 - What is Tomcat

13 - Starting my Tomcat server

14 - Running an application in Tomcat

15 and 16 - What is a web application

17 - Understanding the WAR extension

18 - Creating our first web application

19 - Understanding our web application's structure

20 - Deploying our web application to the Tomcat server

21 - Running the application with NetBeans

22 - Restarting or stopping the server

23 - Which Maven dependencies did it download for us

24 - Configuring our project's dependencies

25 - What does the scope tag mean in the pom

26 - What is a servlet

27 - Creating our first servlet

28 - Implementing the HttpServlet methods

29 - How to run our servlet

30 - How does Tomcat interpret our servlet

31 - Creating a servlet with NetBeans

32 - Creating a class outside our servlet

33 - Using an external class in our servlet

34 - Moving the User class into a third-party application and depending on it

35 - Deploying the WAR deliverable to the server

36 - Setting a response's content type

37 - Setting our response's encoding

38 - Returning a PDF in our response

39 - The web.xml deployment descriptor

40 - Passing parameters in the URL

41 - Retrieving form input

42 - Submitting our data with POST

43 - Is the POST method really secure?

44 - Servlets must be thread-safe

45 - The HTTP protocol is stateless

46 - Introduction to setting up a user session

47 - Setting up our small e-commerce shop

48 - Initializing and populating a user session

49 - Retrieving information stored in the session

50 - Proceeding to payment for the selected product

51 - Explanation and demonstration of how sessions work

52 - Clearing or deleting a session

53 - Session lifetime

54 - Introduction to control transfers

55 - Setting up the control transfer

56 - Testing the control transfer

57 - Control transfer through a second servlet

58 - Introduction to variable scope and scopes

59 - Passing data between servlets through the request scope

60 - Testing and introduction to JSPs

62 - Creating and interpreting our first JSP

63 - JSP vs servlets

64 - JSP directives

65 - Introduction to scriptlets

66 - Adding a condition to our JSP

67 - Displaying a variable's value in a JSP

68 - Understanding how JSP code is interpreted

69 - Implicit variables

70 - Importing a user class into a JSP

71 - Importing a Java class into a JSP

73 - Using JSP EL

74 - Transferring control from the servlet to our JSP

75 - Replacing scriptlets with EL

76 - How EL works and its benefits

77 - Introduction to the exercise

78 - Exercise solution

79 - Introduction to the MVC model

80 - Understanding the MVC model

81 - Setting up an MVC model