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2. TABLE OF CONTENT
• Java Fundamentals
• GIT and Version Control
• JSP and Servlets
• Hibernate
• Spring Framework
• RESTful Web Services
• Springboot
• JUnit
3. Introduction to java full stack
■ In the fast-changing world of web development, where new ideas are always
popping up, Full Stack Development has become a crucial skill. It’s like being a
master chef who can prepare a whole meal from start to finish. In the web
world, that means building everything a website needs, from what you see on
the screen to all the hidden stuff that makes it work. And when it comes to Full
Stack Development, there’s one tool that really stands out: Java. It’s like a
reliable engine that keeps everything running smoothly.
■ Java Full Stack Development refers to the development of both front-end (client-side)
and back-end (server-side) parts of a web application. This involves using Java
programming language for server-side development, along with front-end technologies
like HTML, CSS, JavaScript, and frameworks like Angular
4. Java Fundamentals
■ Java Core Concepts
Java, a versatile and widely-used programming language, is known for its core concepts that
form the foundation of software development
■ Multithreading
■ Multithreading is an important feature of Java that ensures maximum CPU utilization by
allowing concurrent execution of two or more threads or parts of a program. A full-stack
Java developer should be sound with various methods of thread creation(extending thread
class and implementing a runnable interface), synchronization(synchronized method,
synchronized block, synchronized block on object, static synchronization), usage of volatile
keyword, wait and notify, interrupt, join, thread pools, CountDownLatch, blocking queue,
reentrant lock and deadlock
■ Lambda-expression
■ Lambda expressionsare used to execute the programs making them shorter. Earlier
classes were used to implement functions defined in interfaces, using lambda expressions we
can directly write function declarations. Go through how to create threads using lambda,
lambda expressions with variables and iterations and predicates for a complete
understanding of lambda expressions
5. ■ File Handling
■ Java provides a powerful File class to deal with files. File handling.is an integral part as it enables us
to read our input from files and save our results onto a file. Fundamental concepts include data
stream, creating files on disk, creating a directory, writing in files, reading files with bufferReader and
scanner, file deletion and serialization of objects.
■ Debugging
■ Debugging is the process of finding potential or existing errors in your Java code. It is an important
step to improve code quality and reusability. As a developer, you need to know how to use conditional
and exceptional breakpoints to debug code efficiently and how the value of the variables changes at
runtime
GIT and Version Control
■ Learn about Git basics and set up Github/Gitlab. Initialize repositories and commit regularly. You can
also contribute to others’ projects by collaborating with them or practising open-source contributions.
Make sure to keep your commits small and focused with clear commit messages and rebasing
branches.
JSP and Servlets
■ Servlets are Java programs that run on the server side used to handle complex requests obtained
from the web server. JSP(Java Server Pages) is a server-side technology used to create dynamic web
content. JSPs are extended versions of Servlets and are easier to use and maintain. Learn about the
servlet lifecycle, JSP elements(expression, scriptlets, declaration, comment and directive), deployment
descriptors and annotations and JSP configuration in it, reading URL parameters, JSP pages and MVC
6. Hibernate
■ Hibernate is a query service used in Java applications. It maps Java classes to databases
and provides efficient querying and retrieval services. Knowledge of MySQL is a
prerequisite. In order to use Hibernate to its full potential, a developer must be thorough with
setting up hibernate config files, session factory and sessions, adding entity class, hibernate
in action, CRUD operations in the database and HQL basics(where clause, update records,
delete records). After learning the concepts of Hibernate, the next step is to integrate
Hibernate with JSP and Servlets.
Spring Framework
■ Spring is a Java framework used to create enterprise-level applications. The roadmaps for
Spring include learning about
• Basics: dependency injection and its functionality, auto-wire scenarios, qualifier annotations,
spring bean, constructor injection.
• SpringMVC : SpringMVC setup, basic form, request param and Model, ModelandView and
foreach on data and error handling
• Forms: Starting with form elements like radio, checkbox, text area, drop-down list and radio
buttons, form validation using HTML, Hibernate validator, ModelMap and validation rules
• JDBC : Maven setup, SQL and workbench, mapping and its methods, data access objects,
beans(XML configurations), annotations, adding user links, adding user and validation.
7. RESTful Web Services
■ JAX-RS is a way to implement RESTful API in Java. Yoy need to learn about Rest response,
status codes and JAX-RS basics such as subresource, ManytoOne
mapping, filter, pagination, HeaderParam, CookieParam, ContextParam, URI builder, exception
handling and mapper. Database connectivity using Hibernate is an important part of the concept
of RESTful web services which includes integrating Hibernate, adding a DAO layer and learning
about XML and JSON response.
Springboot
■ Springboot is a Spring framework in Java used to create microservices. It does not require XML
configuration making it easier and beginner-friendly. As a full-stack Java developer, building
restful web microservices with Springboot, ensuring data connectivity using CRUD operations,
creating Eureka server, Eureka client and load balancing are important concepts to be mastered.
JUnit
■ JUnit is a unit testing framework for Java programs. In order to efficiently and quickly perform
unit testing for your application make sure to be well-versed with JUnit test methods, assertions
and testing exceptions.
