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Java Online Training in India

Java online training in Hyderabad India

Java is a widely-used, high-level, object-oriented programming language developed by Sun Microsystems (now owned by Oracle Corporation) in the mid-1990s. It is designed to be platform-independent, meaning that Java programs can run on any device or operating system that has a Java Virtual Machine (JVM) installed. Java is known for its simplicity, readability, and robustness, making it suitable for a wide range of applications, from desktop software to web development, mobile apps, and enterprise systems. Java's key features include automatic memory management (garbage collection), strong type system, multi-threading support, exception handling, and a vast ecosystem of libraries and frameworks. With its write once, run anywhere (WORA) philosophy, Java has become one of the most popular programming languages in the world, used by millions of developers and powering countless applications across various industries.

SNS Tech Academy offers comprehensive Java online training in Hyderabad, India, providing individuals with the opportunity to master the fundamentals and advanced concepts of Java programming. The training curriculum covers a wide range of topics, including core Java concepts, object-oriented programming principles, data structures, algorithms, multi-threading, database connectivity with JDBC, and web development with Java EE or Spring Framework. Participants engage in practical hands-on exercises, real-world projects, and personalized mentorship sessions to gain a deep understanding of Java programming and its applications in software development. Whether beginners looking to start their programming journey or experienced professionals seeking to enhance their Java skills, learners receive expert guidance and certification preparation to excel in the dynamic field of Java development. SNS Tech Academy's Java online training equips individuals with the knowledge and skills needed to build robust, scalable, and high-performance Java applications, empowering them to succeed in today's competitive IT industry.

Java Online Training course content :-


Java
  • Core Java
  • Socket Programming
  • Database (SQL | PL/SQL)
  • JDBC
  • Servlets
  • Filters & Listeners
  • Jsp
  • jstl
  • Frameworks
  • Hibernate (ORM Tools)
  • Xml & Web Services (SOAP | RESTFul)
  • JAXB
  • JAXP (DOM | SAX)
  • JSON Object
SPRING BOOT & MICRO SERVICES COURSE CONTENT
SPRING BOOT
  • What is Spring Framework
  • What is Spring Boot
  • Differences between Spring & Spring Boot
  • Spring Boot Overview
  • Pros & Cons of Spring Boot Approaches to create Spring Boot Application
    • Spring Initializer (start.spring.io)
    • Spring Starter Wizard in STS IDE
  • Introduction to Spring Boot Starters
    • Spring Boot Parent Starter
    • Spring-boot-starter
    • Spring-boot-starter-web
    • Spring-boot-starter-webflux
    • Spring-boot-starter-data-jpa
    • Spring-boot-devtools
    • Spring-boot-starter-mail
    • Spring-boot-actuator
    • Spring-boot-starter-test etc
  • What is Start Class in Spring Boot
  • @SpringBootApplication annotation internals
  • SpringApplication.run(..) method internals
  • Spring Boot Application Boot strapping
  • AutoConfiguration in Spring Boot
  • IOC container
  • Dependency Injection
    • Setter Injection
    • Constructor Injection
    • Field Injection
  • Stereotype Annotations
    • @Component
    • @Service
    • @Repository
    • @Controller
  • Base Package Naming convention
  • Component Scanning
  • Auto wiring
    • byType
    • byname
    • constructor
    • none
  • @Qualifier annotation
  • @Primary annotation
  • Introduction to
    • @Configuration annotation
  • Details of @Bean annotation
  • Bean Life Cycle
  • Bean Scopes
  • Banner in Spring Boot
  • Standalone application development in Spring Boot
  • Standalone application with layered architecture
  • Runner in Spring Boot
    • Application Runner
    • CommandLine Runner
SPRING DATA JPA
  • What is Persistence Layer
  • Best practises to follow in persistence layer
  • ORM Basics
  • Spring Data JPA Introduction
  • Differences between Spring ORM and Spring Data
  • CurdRepository introduction
  • CurdRepository methods for DB operations
    • save( ) method
    • saveAll( ) method
    • findById( ) method
    • findAllById( ) method
    • findAll( ) method
    • deleteById( ) method
    • deleteAllById( ) method
    • delete( ) method
    • count( )
    • existsById( )
  • Custom findByXXX method syntax
  • Custom Queries Execution in Data JPA
  • JpaRepository introduction
  • JpaRepository methods for DB operations
  • Pagination Using Data JPA methods
  • Sorting Using Data JPA Methods
  • Query By Example Executor
  • Generators
  • Custom Generators in Spring Data
  • Embedded Database Introduction
  • Application Development using Embedded Database (H2)
  • Application Development Using MYSQL Database
  • Profiles in Spring Boot
  • Spring Web MVC Introduction
  • Spring Web MVC Advantages
  • Spring MVC Architecture
  • Introduction to Front Controller
  • Controllers
  • Handler Mappers
  • View Resolvers
  • Web Application development using Spring Boot
  • Embedded HTTP Servers Introduction
    • Embedded Tomcat Server
    • Embedded Jetty Server
  • Making Jetty as Default server
  • Web Application Deployment in External Server
  • Sending Data From UI to Controller
    • Query Param
    • Path Param
  • Sending Data From Controller to UI
    • Model
    • ModelAndView
  • @RequestBody annotation
  • @ResponseBody annotation
  • Form Based application development using Spring Boot
  • Thymeleaf Introduction
  • Web Application with Thymeleaf
  • Sending Email using Spring Boot
  • Exception Handling in Spring Boot Web Application
  • Spring Boot Actuators
    • Health
    • Info
    • Heapdump
    • Theaddump
    • Beans
    • Httptrace
    • Mappings
    • Shutdown etc
SPRING REST
  • Distributed Applications
  • Distributed Technologies
  • SOAP vs REST
  • RESTful Services Introduction
  • REST principles
  • One Time operations
  • Run Time Operations
    • Marshalling
    • Un Marshalling
  • JAX-B Introduction
  • JAX-B Architecture
  • Applications development with JAX-B
  • JSON Introduction
  • XML vs JSON
  • JACKSON API
  • Converting Java object to JSON and vice versa using Jackson API
  • GSON API
  • Converting Java Object to JSON and Vice Versa using GSON API
  • HTTP Protocol Details
  • HTTP Methods
    • GET
    • POST
    • PUT
    • DELETE
  • HTTP Status Codes
  • @RestController
  • @RequestBody
  • @ResponseBody
  • @RequestParam
  • @PathVariable
  • MediaTypes
  • Consumes
  • Produces
  • Accept Header
  • Content-Type header
  • REST API Development using Spring Boot
  • POSTMAN
  • SWAGGER & SWAGGER UI
  • Exception Handling in REST API
  • REST Security
    • HTTP Basic Auth
    • JWT
    • OAuth2.0
  • Mono Objects
  • Flux Objects
  • REST Client Introduction
  • RestTemplate
  • WebClient
  • RestTemplate vs WebClient
  • Reactive Programming
  • Synchronous vs Asynchronous Calls
  • Apache Kafka with Spring Boot
  • Redis Cache Integration with Spring Boot
MICRO SERVICES
  • Monolith Architecture Introduction
  • Monolith Architecture case study
  • Monolith Application Deployment Process
  • Load balancer (Cluster) case study
  • Load Balancing Algorithms
    • Round Robin
    • IP Hashing
    • Sticky Session
  • Monolith Architecture Drawbacks
  • Micro services Introduction
  • Micro Services Advantages
  • Micro Services Dis-Advantages
  • Micro Services case study
  • Identifying Micro services boundaries
  • Micro services Architecture
  • Micro services Development
    • API – 1
    • API – 2
  • Interservice communication case Study (FeignClient )
  • Cloud Introduction
  • AWS Account Creation
  • AWS Services Overview
  • Deploying Micro services to AWS
  • Service Registry case study (Netflix Eureka)
  • API Gateway
  • Hystrix (Circuit Breaker)
  • Spring Boot Admin Server
  • Spring Boot Admin Client
  • Distributed Logging
    • Sleuth Logging
    • Zipkin Server
  • Ribbon case study (Micro services load balancer)
  • Implementing Ribbon in Micro services
  • ConfigServer Introduction & Implementation
  • Micro services Integration with React Js
TOOLS
  • Maven
  • Log4J
  • Junit 5
  • Jenkins Deployment
  • Docker
  • POSTMAN
  • Swagger

Java is a high-level, object-oriented programming language known for its platform independence, robustness, and versatility. It is popular due to its simplicity, readability, extensive library support, strong community, and widespread adoption across various domains, including web development, mobile apps, enterprise systems, and big data.

JDK (Java Development Kit) is a software development kit that includes tools for developing, debugging, and monitoring Java applications. JRE (Java Runtime Environment) is a runtime environment that provides libraries, classes, and other resources needed to run Java applications. JVM (Java Virtual Machine) is an abstract machine that executes Java bytecode and provides a runtime environment for Java programs.

The key features of Java include platform independence (WORA), object-oriented programming (OOP), automatic memory management (garbage collection), strong type system, multi-threading support, exception handling, and rich library support.

The == operator is used to compare object references (memory addresses), while the equals() method is used to compare the contents (values) of objects. For primitive types, == compares values, but for objects, it compares references. The equals() method must be overridden in custom classes to provide meaningful comparison logic.

ArrayList is implemented using a dynamic array and provides fast random access but slower insertion and deletion operations. LinkedList is implemented using a doubly-linked list and provides fast insertion and deletion but slower random access. ArrayList is preferable for read-heavy operations, while LinkedList is preferable for write-heavy operations.

Inheritance in Java allows a class (subclass) to inherit properties and behavior from another class (superclass). Subclasses can extend the functionality of the superclass by adding new methods and overriding existing methods. Inheritance promotes code reuse and facilitates the creation of hierarchical class structures.

Java provides four access modifiers: public, protected, default (package-private), and private. Public members are accessible from any class. Protected members are accessible within the same package and by subclasses. Default members are accessible within the same package. Private members are accessible only within the same class.

An abstract class can contain both abstract (unimplemented) and concrete (implemented) methods, while an interface can only contain abstract methods. Classes can implement multiple interfaces but can extend only one abstract class. Interfaces promote loose coupling and are used for defining contracts, while abstract classes provide a partial implementation.

Multithreading in Java allows multiple threads of execution to run concurrently within a single process. Threads are lightweight processes that share the same memory space and resources. Multithreading improves performance and responsiveness by allowing tasks to be executed asynchronously, concurrently, or in parallel.

Exceptions in Java are handled using try-catch blocks. Code that may throw exceptions is enclosed within a try block, and corresponding catch blocks are used to handle different types of exceptions. Additionally, the finally block can be used to execute cleanup code that should always run, regardless of whether an exception occurs or not.

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