Google Drive

Google Drive

Episode 1 - Core Java Fundamentals

Episode 2 - Java Classes and Methods and Applets - part 1

Episode 3 - Java Classes and Methods and Applets - part 2

Episode 4 - Java Event Handling

Episode 5 - Java Exceptions and Programming Contracts

Episode 6 - Java Mutations and Class Design

Episode 7 - JUnit

Episode 8 - Unit Testing and Debugging

Episode 9 - Design Patterns

Episode 10 - Specifications and OO Design Heuristics

Episode 11 - Software Specifications and Sub-typing

Episode 12 - GUI Components

Episode 13 - Composite Decorators-Observers and 2D Graphics

Episode 14 - Strategy State and Events and Packages

Episode 15 - Mementos and Timer Threads

Episode 16 - Hash Codes and Generics

Episode 17 - Reflection and Java Summary

Episode 18 - Servlets

Episode 19 - Java for Embedded Systems

In this session we will discuss about the basic introductory topics of Junit. This video talks about the unit testing framework for Java developers, what is unit testing – as a type of software, peer testing, what is Junit and official website of Junit.

In this session we will discuss about adding Junit5 dependency in Maven project using HTS tool to develop projects in JAVA. Further we will see ow dependency is added.

In this session we will discuss the most important annotation in Junit5. This video talks about the process to implement Junit5 in Java project. Further we will discuss java file and non-java files.

In this session we will discuss the later part of annotation. This video talks about the conditional test execution such as condition on OS, condition on JRE, condition on JRE range, condition on system properties.

In this session we will discuss about the last part of annotations. This video talks about the order in which test method should be executed.

In this session we will discuss the need for repeated test annotation in Junit5. Sometimes there might be requirement of executing same test, then we use repeated test annotation.

In this session we will discuss about assertions in Junit5. This video talks about what are assertion and how they are used for testing the test methods. Such a test case may pass or fail.

In this session we will discuss some more important methods on assertion in Junit5. This video talks about how, if expected results are matching with actual results then the test case will pass, and when the expected results are not matching with actual results then test case will fail.

In this session we will discuss about timeouts in Junit5. This video talks about specifically setting a time and within that time a test method should be executed for test to pass.

In this session we will discuss about the expected exceptions in Junit5. This video talks about the meaning of expected exceptions. When working on any java project we come across different types of exceptions like null pointer, illegal argument exception, arithmetic exception, file not found exception. Further we will see how to handle such situation and make the test case pass.

In this session we will discuss about the parameterized tests in Junit5. This video talks about passing inputs to test methods in different slots and how to handle the situation in our projects. Further we will see the important parameterized tests such as ValueSource, EnumSource, MethodSource and CSVSource.

In this session we will discuss how to run unit test with maven. This video talks about how to run “n” number of test classes with maven.

In this session we will discuss tagging and filtering in Junit5 with maven. This video talks about how we can work with @tag annotation for tagging to specify the tag and which test should be used in the development phase.

In this session we will discuss about Hamcrest Framework which we use along with Junit5. Hamcrest is a separate library used in combination with Junit5. This video talks about how to work with Hamcrest API with respect to correction and user defined objects.

In this session we will discuss about how to perform unit testing on spring boot repository. This video talks about what is a repository – where we store our data. i.e real-time database storage.

In this session we will discuss about the spring boot integration system. This video talks about how to perform unit testing using Spring boot integration testing.

In this first video on JSP, you will get a brief overview of some terminologies like World Wide Web, Web Application, What is Dynamic Web Page, HTTP, HTTP Requests, Get vs. Post, Servlet Container, Limitations of CGI. and the features of Servlets.

In this tutorial, you will learn about Java Server Pages.

In this video, you will learn about the Directory Structure in JSP, a complete overview of what is directory structure, how to use it and a practical demonstration of its implementation on the Eclipse window.

This video is all about the in-depth concept on the lifecycle of a JSP page. Here the instructor will be seen explaining each and every details associated with the JSP lifecycle.

In this first part of the Scripting Elements, you will get a detailed explanation about Scripting elements used in JSP. In short, you will learn about JSP tags. Here the tutor will be seen giving an overview about 3 different tags used in JSP which are scriplet tag, expressive tag and the declaration tag.This video will primary focus on the introduction to scriplet. Finally, the instructor will be seen demonstrating a small program writing scriplet inside a java program

This is a continuation video to the scriplet tag and the program that was seen by the instructor writing scriplet inside a java program. Further, it will be followed with an overview on declaration tag and the syntax that is being used in this tag.

In this video, the instructor will be seen modifying the previous program to count the number of pages that has been accessed. Here, the instructor will be showing how to write the code for the above work process in eclipse window.

In this video, you will understand a very important concept of JSP which is the Implicit Object. You will get a complete theoretical overview of the Implicit Object and its type along with a practical demonstration on its implementation.

This is the first part of the Implicit project where the instructor will be seen demonstrating a small project on it, which will help students in clearing all their doubts regarding Implicit Objects in JSP.

This is the second part of the previous video where the instructor will be seen continuing with the program for demonstrating the project on Implicit Object.

This video is a complete demonstration program on Implicit Project focusing on Login JSP. Here the tutor will be seeing explaining the process with a complete step by step process.

In this course, you will learn about the Implicit Project Registration and the complete step by steps in implementing the steps. Here you will learn to design registration.jsp along with understanding the other concepts.

In this video, you will learn to design success, failure and user exists.jsp. Here the instructor will be seen explaining each and every details on the above three concepts.

Here, in this video, you will get to see the execution of the program done in the previous videos and find out the output of the project. This video consists of only the execution of the program and not the coding, which was done in the previous videos.

In this chapter, we will discuss Directives in JSP. These directives provide directions and instructions to the container, telling it how to handle certain aspects of the JSP processing.

The JSP directives are messages that tells the web container how to translate a JSP page into the corresponding servlet.

This include directive is used to include the contents of any resource it may be JSP, file, html file or text file. They include directive includes the original content of the included resource at page translation time (the JSP, page is translated only once so it will be better to include static resource)

They 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 jsp:useBean action tag is used to locate or instantiate a bean class. If bean object of the Bean class is already created, it doesn't create the bean depending on the scope. But if object of bean is not created, it instantiates the bean.

In this video we will see how to use a bean class in JSP with the help of jsp:useBean, jsp:setProperty and jsp:getProperty action tags.

In this video we will see how to use a bean class in JSP with the help of jsp:useBean, jsp:setProperty and jsp:getProperty action tags.

The jsp: include action tag is used to include the content of another resource it may be jsp, html or servlet. The jsp include action tag includes the resource at request time so it is better for dynamic pages because there might be changes in future. The jsp: include tag can be used to include static as well as dynamic pages.

Include action tag is used for including another resource to the current JSP page. The included resource can be a static page in HTML, JSP page or Servlet. We can also pass parameters and their values to the resource which we are including. Below I have shared two examples of , one which includes a page without passing any parameters and in second example we are passing few parameters to the page which is being included.

JSP forward action tag is used for forwarding a request to another resource (It can be a JSP, static page such as html or Servlet). Request can be forwarded with or without parameter. In this tutorial we will see examples of action tag

The forward action terminates the action of the current page and forwards the request to another resource such as a static page, another JSP page, or a Java Servlet.

The Expression Language (EL) simplifies the accessibility of data stored in the Java Bean component, and other objects like request, session, application etc.

JSP Expression Language (EL) makes it possible to easily access application data stored in JavaBeans components. JSP EL allows you to create expressions both (a) arithmetic and (b) logical. Within a JSP EL expression, you can use integers, floating point numbers, strings, the built-in constants true and false for boolean values, and null.

Expression Language (EL) is mechanism that simplifies the accessibility of the data stored in Java bean component and other object like request, session and application, etc. There are many operators in JSP that are used in EL like arithmetic and logical operators to perform an expression. It was introduced in JSP.

JSP is primarily used for view purpose. But even to display result of business logic, we need to access the data, process the data, store it in some scope in JSP. We have discussed how to do all these in JSP using scripting tags in earlier chapter.

A JavaBean is a specially constructed Java class written in the Java and coded according to the JavaBeans API specifications.

A JavaBean property is a named attribute that can be accessed by the user of the object. The attribute can be of any Java data type, including the classes that you define.

According to Java white paper, it is a reusable software component. A bean encapsulates many objects into one object so that we can access this object from multiple places. Moreover, it provides easy maintenance.

In this chapter, we will understand the different tags in JSP. The JavaServer Pages Standard Tag Library (JSTL) is a collection of useful JSP tags which encapsulates the core functionality common to many JSP applications.

The JSP Standard Tag Library (JSTL) represents a set of tags to simplify the JSP development.

The tag formats a URL into a string and stores it into a variable. This tag automatically performs URL rewriting when necessary. The var attribute specifies the variable that will contain the formatted URL.

The tag executes an SQL SELECT statement and saves the result in a scoped variable.

The tag is used for executing the SQL DML query defined in its sql attribute or in the tag body. It may be SQL UPDATE, INSERT or DELETE statements.

JSTL sql tag executes the SQL 'insert', 'update' or 'delete' statements specified in its body or in its sql attribute. It executes the specified query and stores the 'number of rows affected by operation' in a scoped variable.

The tag used as a nested action for the tag and the tag to supply a value for a value placeholder. If a null value is provided, the value is set to SQL NULL for the placeholder.

The JSTL function provides several standard functions, most of these functions are common string manipulation functions.

JSTL stands for JSP standard tag Library which is a collection of very useful core tags and functions. These tags and functions will help you write JSP code efficiently.

Java Server Pages Tag Library (JSTL) is a set of tags that can be used for implementing some common operations such as looping, conditional formatting, and others. In this session, we'll be discussing how to setup JSTL and how to use its numerous tags.

MVC stands for Model View and Controller. It is a design pattern that separates the business logic, presentation logic and data. Controller acts as an interface between View and Model. Controller intercepts all the incoming requests.

In this last video, we'll create a small web application that implements the Model View Controller (MVC) design pattern, using basic Servlets and JSPs. We'll explore a little bit about how MVC works, and its key features before we move on to the implementation.

In this video you will learn the the World Wide Web (www, W3) is an information space where documents and other web resources are identified by URIs, interlinked by hypertext links, and can be accessed via the Internet. It has become known simply as the Web.

In this video you will learn about the Servlets are Java classes which service HTTP requests and implement the javax. servlet. Servlet interface. Web application developers typically write servlets that extend javax. servlet.http.HttpServlet, an abstract class that implements the Servlet interface and is specially designed to handle HTTP requests.

In this video you will learn about the servlet request When a browser requests for a web page, it sends lot of information to the web server which cannot be read directly because this information travel as a part of header of HTTP request.

In this video you will learn the Java and XML configuration are not exclusive - both can be used inside the same Spring application. In order to retrieve a bean from an XML file, one has to use the Spring container.

In this video you will learn the web server (e.g. Apache Tomcat) starts up, the servlet container deploy and loads all the servlets. During this step Servlet container creates ServletContext object. ... For each instantiated servlet, its init() method is invoked. 3) Client (user browser) sends an Http request to web server on a certain port.

In this video you will learn the case of Get request, only limited amount of data can be sent because data is sent in header. In case of post request, large amount of data can be sent because data is sent in body. ... Post request is secured because data is not exposed in URL bar.

In this video you will learn the Request Dispatcher interface provides the facility of dispatching the request to another resource it may be html, servlet or jsp. This interface can also be used to include the content of another resource also. It is one of the way of servlet collaboration.

In this video you learn the sendRedirect() method of Http Servlet Response interface can be used to redirect the response to another resource i.e. it may be a Servlet, JSP or HTML file. It works on the client side because it uses the URL bar of the browser to make another request. Hence, it can work inside and outside the server.

In this Video you will learn the a object of ServletConfig is created by the web container for each servlet. This object can be used to get configuration information from web.xml file.

In this second part, we’ll look a little more in depth at what makes Servlets tick. First off, we’ll examine how the HttpServletRequest object can be used to fetch information about the browser request responsible for invoking the Servlet, such as the contents of an HTML form that was submitted as part of the request.

In this video you learn the object of ServletContext is created by the web container at time of deploying the project. This object can be used to get configuration information from web.xml file. There is only one ServletContext object per web application.

In this video you learn to defines a set of methods that a servlet uses to communicate with its servlet container, for example, to get the MIME type of a file, dispatch requests, or write to a log file.

In this video you will learn how If value is the same for two servlets than they will be loaded in an order on which they are declared inside web. xml file. 2. if is 0 or negative integer than Servlet will be loaded when Container feels to load them.

In this video you will learn the HTTP is a "stateless" protocol which means each time a client retrieves a Web page, the client opens a separate connection to the Web server and the server automatically does not keep any record of previous client request.

A cookie is a small piece of information that is persisted between the multiple client requests. A cookie has a name, a single value, and optional attributes such as a comment, path and domain qualifiers, a maximum age, and a version number.

In this video you will learn the hidden form field is used to store session information of a client. In this method, we create a hidden form which passes the control to the servlet whose path is given in the form action area. Using this, the information of the user is stored and passed to the location where we want to send data.

In this video you will learn the URL rewriting, we append a token or identifier to the URL of the next Servlet or the next resource. We can send parameter name/value pairs using the following format.

In this video you will learn the Http Session object represents a user session. A user session contains information about the user across multiple HTTP requests.

In this video you will learn about the filter is an object that is invoked at the preprocessing and postprocessing of a request. It is mainly used to perform filtering tasks such as conversion, logging, compression, encryption and decryption, input validation etc.

In this video you will learn about the Java Servlet Filter is used to intercept the client request and do some pre-processing. It can also intercept the response and do post-processing before sending to the client in web application.

In this video you will learn this tutorial assumes you have understanding on how JDBC application works. Before starting with database access through a servlet, make sure you have proper JDBC environment setup along with a database.

In this video, you will learn how to build a Todo web application using JSP, Servlet, JDBC and MySQL database. You can download the source code of this tutorial from my Github repository, the link given at the end of this tutorial.

In this video you will learn to Create a separate class to create a connection of database, as it is a lame process to writing the same code snippet in all the program. Create a .java file which returns a Connection object.

In this video you will learn more about Database servlets.

In this Java tutorial, we’re going to help you understand the process of coding a basic Java web application that manages a collection of books with the basic feature: list, insert, update, delete (or CURD operations - Create, Update, Read and Delete).

In this video you learn more about Update Servlet Database - part 2

In this video you learn about Inside the doGet() method uses the getWriter() method of ServletResponse interface with the reference of HttpServletResponse interface. Then establish a connection of database in java code and then deleted a specified row as in our example uses "delete from data where name = 'bipul' ".

After this video Although you can start functions when your page loads, many times you'll want to start functions when a user clicks a link, enters a form, scrolls, moves his or her mouse over an object, or does something else. These actions are called events. You can set specific functions to run when the user performs an event. These functions "listen" for an event and then initiate the function.

This tutorial will show how to register a javax.servlet.http.HttpSessionListener and track the number of active sessions in the web application using metrics.

In this video, you are going to understand how to create a listener class which listens to an event when a session is created or destroyed in a web application. For this, we are going to create a webpage which asks the user to enter his name and city in a form and click the submit button.

In this video you will learn ServletContextListener receives the notifications about changes to the servlet context and perform some action. ServletContextListener is used to perform important task at the time when context is initialized and destroyed.

In this video you will learn the introduction to Java programming. This tutorial explains the installation and usage of the Java programming language. It also contains examples for standard programming tasks.

In this video you will learn based on the data type of a variable, the operating system allocates memory and decides what can be stored in the reserved memory. Therefore, by assigning different data types to variables, you can store integers, decimals, or characters in these variables.

In this video you will learn about the control statement in java is a statement that determines whether the other statements will be executed or not. It controls the flow of a program. An 'if' statement in java determines the sequence of execution between a set of two statements.

In this video you will learn Looping in programming languages is a feature which facilitates the execution of a set of instructions/functions repeatedly while some condition evaluates to true. while loop: A while loop is a control flow statement that allows code to be executed repeatedly based on a given Boolean condition.

In this video you learn about Classes and Objects are basic concepts of Object Oriented Programming which revolve around the real life entities. A class is a user defined blueprint or prototype from which objects are created. It represents the set of properties or methods that are common to all objects of one type.

In this you will learn In Java, static keyword is mainly used for memory management. It can be used with variables, methods, blocks and nested classes. It is a keyword which is used to share the same variable or method of a given class. Basically, static is used for a constant variable or a method that is same for every instance of a class.

In this video you will learn about Array an array is a group of like-typed variables that are referred to by a common name. Arrays in Java work differently than they do in C/C++. Following are some important points about Java arrays.

In this video you will learn the java.util.Arrays.binarySearch(Object[] a, Object key) method searches the specified array for the specified object using the binary search algorithm. The array be sorted into ascending order according to the natural ordering of its elements prior to making this call. If it is not sorted, the results are undefined.

In this video, you will learn about the Java multidimensional array using 2-dimensional arrays and 3-dimensional arrays with the help of examples.

In this video you will learn the java.util.Arrays.sort(Object[] a, int fromIndex, int toIndex) method sorts the specified range of the specified array of objects into ascending order, according to the natural ordering of its elements. The range to be sorted extends from index fromIndex, inclusive, to index toIndex, exclusive.

In this video you will learn Inheritance in Java is a mechanism in which one object acquires all the properties and behaviors of a parent object. It is an important part of OOPs (Object Oriented programming system).

In this video you will learn more about Inheritance.

In this video you will learn In Java, two or more methods can have same name if they differ in parameters (different number of parameters, different types of parameters, or both). These methods are called overloaded methods and this feature is called method overloading.

In the last video, you will learn about inheritance. Inheritance is an OOP property that allows us to derive a new class (subclass) from an existing class (superclass). The subclass inherits the attributes and methods of the superclass.

In this video you will learn about t he super keyword in java is a reference variable that is used to refer parent class objects. ... Basically this form of super is used to initialize superclass variables when there is no constructor present in superclass. On the other hand, it is generally used to access the specific variable of a superclass.