SQL With Java
SQL (Structured Query Language) is a standard programming language used to manage and manipulate relational databases, and when used with Java, it forms a powerful combination for developing database-driven applications. Java, being a versatile and widely-used programming language, can connect to various database systems using the Java Database Connectivity (JDBC) API. JDBC enables Java applications to execute SQL statements, retrieve data, and manage database transactions in a seamless manner. Developers can use JDBC to establish connections to the database, execute queries and updates, and handle result sets efficiently, allowing for robust data manipulation and retrieval. By integrating SQL with Java, developers can create dynamic applications that leverage persistent data storage and provide rich data interactions.
To Download Our Brochure: https://www.justacademy.co/download-brochure-for-free
Message us for more information: +91 9987184296
1 - Introduction to SQL: Understand the basics of Structured Query Language (SQL), which is used for managing and manipulating relational databases.
2) Introduction to Java: Get familiar with Java, a powerful, platform independent programming language that is widely used for building applications.
3) JDBC Overview: Learn about Java Database Connectivity (JDBC), which allows Java applications to interact with databases using SQL.
4) Setting Up the Environment: Instructions on setting up Java Development Kit (JDK) and a database such as MySQL or PostgreSQL, along with JDBC driver installations.
5) Connecting to a Database: Step by step guide on how to establish a connection between a Java application and a database using JDBC.
6) Executing SQL Statements: Learn how to execute SQL statements (like SELECT, INSERT, UPDATE, DELETE) from within Java using JDBC.
7) Prepared Statements: Understand the concept of Prepared Statements in JDBC for executing parameterized queries and preventing SQL injection attacks.
8) Handling Result Sets: Learn how to process and manipulate data returned from the database using ResultSet in Java.
9) Transactions Management: Understand how to manage transactions in Java applications using JDBC for ensuring data integrity.
10) Error Handling in JDBC: Learn how to handle SQL and connection errors gracefully in Java applications.
11) Batch Processing: Discover how to perform batch processing to execute multiple SQL statements efficiently.
12) Connection Pooling: Understand the concept of connection pooling for optimizing database connections in Java applications.
13) ORM Frameworks: Introduction to Object Relational Mapping (ORM) frameworks like Hibernate that simplify database operations and reduce boilerplate code.
14) Executing Complex Queries: Explore how to execute complex SQL queries and join operations using Java.
15) Best Practices: Learn about best practices in using SQL with Java, including code organization, security, and performance optimization.
16) Debugging and Monitoring: Techniques for debugging SQL queries and monitoring database performance from Java applications.
17) Real World Projects: Hands on projects to build real world applications using SQL and Java, such as a simple CRUD application.
18) Conclusion and Next Steps: Summarize the learnings and discuss potential next steps for students, such as exploring advanced ORM, RESTful web services, or developing full stack applications.
This outline provides a comprehensive framework for a training program that covers the key aspects of using SQL with Java, ensuring students gain the necessary skills and knowledge.
Browse our course links : https://www.justacademy.co/all-courses
To Join our FREE DEMO Session: Click Here
Contact Us for more info:
mern stack developer jobs in chennai
I am learning flutter from JustAcademy, They provide very much great environment where people gather and work simultaneously. totally project based training institute.
Awesome Experience. I am a Front-end Web Designer working at Star India for 3 years now. I applied for Full-stack development and my experience has been phenomenal & they really do help with placements exceptionally. Thank you Roshan sir so much.
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.
Flutter CI with Codemagic is a cloud-first continuous integration and delivery solution that automates building, testing and releasing Flutter apps across iOS, Android and web using configurable workflows (codemagic.yaml), hosted macOS/Linux runners, dependency caching and parallelization. It integrates with GitHub/GitLab/Bitbucket, manages code signing and store publishing, runs unit/widget/integration tests, and generates reproducible artifacts so teams catch regressions early and ship reliably. For learners and professionals working on JustAcademy real-time projects, Codemagic removes the overhead of maintaining CI infrastructure, speeds iteration, and provides a repeatable pipeline for demonstrating and delivering polished app releases.
Using Flutter's Hot UI (hot reload and hot restart) lets developers inject code changes into a running app and see updated layouts, styles and behaviours instantly without losing app state, making it ideal for rapid prototyping. This real-time feedback loop accelerates iteration on widgets, animations and responsive designs, improves collaboration between designers and engineers, and dramatically shortens the path from idea to working MVP.
In 2025, pairing Flutter with Supabase vs Firebase means choosing between an open‑source, Postgres‑first backend and a mature Google serverless platform: Supabase gives Flutter apps SQL‑centric workflows, real‑time subscriptions, row‑level security and lower vendor lock‑in with predictable costs and direct SQL access, while Firebase offers Firestore, Auth, Functions, Analytics, polished SDKs, global scaling and turnkey managed features (offline sync, analytics, A/B testing). Both speed cross‑platform development and real‑time experiences; pick Supabase for relational control and openness, or Firebase for convenience and a broader managed ecosystem.
In 2025, Flutter and NativeScript are both mature cross-platform frameworks with different strengths: Flutter (Dart) compiles to native code and provides a rich, cohesive widget-driven UI, excellent performance, and consistent look across mobile, web and desktop, making it ideal for visually complex apps and teams that want a single expressive UI layer; NativeScript (TypeScript/JavaScript) maps directly to native UI components and gives seamless access to platform APIs, appealing to teams with strong JS/TS skills who need native look-and-feel and tight platform integration—choose Flutter for unified UI control and performance, NativeScript for native parity and easier reuse of web/JS expertise.
Flutter CI/CD with GitHub Actions is a complete tutorial-style guide that shows how to automate building, testing, signing, and deploying Flutter apps using GitHub’s workflow runner; it covers creating YAML workflows to run platform-specific builds (Android/iOS), caching dependencies, running unit/widget/integration tests, managing secrets and code signing, generating artifacts, and releasing to stores or distribution channels. By following the tutorial, developers and JustAcademy learners can enforce consistent quality, catch regressions early, speed up delivery of real-time projects, and adopt industry-standard DevOps practices that make app releases reproducible and reliable.
AI-generated UI in Flutter uses machine learning to convert design files or natural-language prompts into responsive Dart widgets, automating layout, styling, accessibility and cross-platform tweaks so prototypes and production-ready screens can be produced far faster with fewer manual edits; this streamlines collaboration between designers and developers, lets teams focus on business logic and performance, and—as models and tooling improve—will become a core part of development workflows, accelerating app delivery and hands-on learning for learners and professionals at JustAcademy.
Optimizing network calls in Flutter with Dio means using Dio’s rich HTTP client features—centralized configuration and interceptors for headers, auth, logging and error handling; request cancellation, timeouts and concurrency control; retry strategies (exponential backoff); and response caching/compression—to reduce latency, save bandwidth and improve reliability. By encapsulating API logic in a configured Dio instance, applying retries and backoff, caching frequent responses, and handling errors consistently, apps become faster, more resilient and easier to maintain—especially important for real-time project work and production-ready certifications like those at JustAcademy.
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.
Flutter Desktop keyboard shortcuts let you define and handle platform-consistent key bindings (like Ctrl/Cmd combinations) to trigger app commands without a mouse. Using Flutter’s Shortcuts, Actions, and Intents APIs (or lower-level RawKeyboard events), you map logical key sets to intent objects and implement actions that run when those intents are invoked, while respecting focus and accessibility so shortcuts work predictably across Windows, macOS, and Linux.
