core and advanced java
Core Java refers to the foundational aspects of the Java programming language, encompassing the basic syntax, object-oriented programming principles, standard libraries, and essential APIs that are integral for building general-purpose applications. It includes core concepts like data types, control statements, classes, objects, inheritance, polymorphism, exception handling, and basic input/output operations. Advanced Java, on the other hand, builds upon Core Java and focuses on more complex topics and frameworks necessary for developing enterprise-level applications. This includes multithreading, networking, database connectivity (JDBC), Java EE technologies (Servlets, JSP), and frameworks like Spring and Hibernate, which facilitate the development of large-scale, maintainable applications. Together, Core and Advanced Java provide a comprehensive toolkit for software development in various domains.
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1 - Introduction to Java: Overview of Java programming language, its history, features, and applications in software development.
2) Java Programming Basics: Understanding Java syntax, data types, variables, and operators to write basic Java programs.
3) Object Oriented Programming (OOP) Concepts: In depth exploration of OOP principles such as classes, objects, inheritance, polymorphism, encapsulation, and abstraction.
4) Control Flow Statements: Learning about decision making statements (if, switch) and loops (for, while, do while) to control program execution flow.
5) Methods and Overloading: Understanding how to define and invoke methods, method overloading, and the concept of variable arguments.
6) Exception Handling: Introduction to handling runtime errors using try catch blocks, throwing exceptions, and creating custom exceptions for robust applications.
7) Java Collections Framework: Exploring interfaces like List, Set, and Map; understanding their implementations such as ArrayList, HashSet, and HashMap.
8) File I/O: Understanding file handling in Java, including reading from and writing to files, and the use of Java I/O classes.
9) Multithreading: Basics of creating and managing threads in Java, including synchronization, inter thread communication, and thread lifecycle.
10) Java Database Connectivity (JDBC): Introduction to connecting Java applications with databases, executing SQL queries, and understanding result sets.
11) Java Servlets: Learning about server side programming with Java Servlets to handle requests and responses in web applications.
12) JavaServer Pages (JSP): Understanding JSP technology to create dynamic web content and server side Java for generating HTML.
13) Frameworks Overview: Introduction to popular Java frameworks such as Spring and Hibernate that simplify enterprise application development.
14) RESTful Web Services: Learning about building RESTful APIs using Java, understanding the principles of REST, and developing web services with frameworks like Spring Boot.
15) Java Persistence API (JPA): Exploring Object Relational Mapping (ORM) and how JPA simplifies database interactions within applications.
16) Design Patterns: Introduction to common design patterns in software development, including Singleton, Factory, Observer, and MVC, to promote best practices.
17) Java Memory Management: Understanding the Java memory model, garbage collection, and best practices for efficient memory use.
18) Security in Java Applications: Familiarizing with security best practices, including authentication, authorization, data encryption, and secure coding techniques.
19) Testing with JUnit: Learning the basics of unit testing in Java using JUnit framework to ensure code reliability and quality.
20) Deployment and Application Servers: Understanding how to deploy Java applications on servers and the architecture of application servers.
This comprehensive training program covers essential Core and Advanced Java topics designed to equip students with the necessary skills for professional development in Java programming.
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Flutter app monitoring with Prometheus and Grafana delivers real-time observability by instrumenting the app (via OpenTelemetry or lightweight exporters) to expose metrics that Prometheus scrapes and stores as time-series data. Grafana visualizes those metrics in customizable dashboards and triggers alerts, letting teams track CPU/memory, frame-render times, network latency, error rates and user-impacting regressions. This stack helps quickly detect performance problems, diagnose root causes, and continuously improve app stability and user experience.
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JustAcademy’s "Deploy Flutter to Firebase: A Step-by-Step Tutorial" is a concise guide that walks you through preparing a Flutter app, configuring Firebase services (Authentication, Firestore, Hosting), and using the Firebase CLI to build and deploy your app—covering both web hosting and integration for Android/iOS where relevant. It explains creating a Firebase project, adding platform-specific Firebase SDKs, adjusting app settings, running production builds, initializing Firebase Hosting, and performing the final deploy, with tips for testing and automating releases via CI/CD. By following the tutorial, developers get a practical, end-to-end workflow to ship scalable, real-time Flutter apps quickly and reliably.
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