Programmation

This document outlines the implementation of an Android activity designed to verify and display file content from external storage or internal app storage. It includes methods for checking media accessibility, reading files, and displaying results using Toast notifications. The code emphasizes robust error handling to manage scenarios such as missing files or restricted access permissions effectively.

This Java activity is designed for an Android application that allows users to input integers through a UI and save these values to a file. The program calculates the cumulative sum of the integers, which is saved in both internal and external storage (if available). Error handling and file operations are integrated to ensure reliability. Additionally, it supports displaying the list of entered integers and uses Android's Toasts for user feedback.

This document outlines a Java EE workshop, focusing on the use of the JSP Standard Tag Library (JSTL) for building dynamic web applications. Core objectives include understanding the utility of JSTL, learning to manipulate its tag libraries (Core, Fmt, Fn, Sql, Xml), and implementing it in JSP files to follow the MVC design pattern. Practical exercises cover tasks such as variable declarations, using JSTL tags like <c:out>, <c:set>, and others to manipulate data, and integrating JSP components like header and footer. Advanced tests involve conditional logic, loops, and rendering dynamic dat...

This document provides an in-depth overview of Java Database Connectivity (JDBC), including its definition, architecture, and use cases. It explains how JDBC acts as a standardized API for database access in Java, highlighting its benefits in terms of SQL capabilities and driver independence while mentioning some limitations such as SQL string errors and lack of support for object-oriented databases. Furthermore, the document reviews different JDBC driver types and outlines key implementation steps, including driver loading, establishing database connections, executing SQL queries, handling...

This document explores GUI design in Java through three exercises focusing on calculating rectangle properties, dynamically updating UI elements based on user input, and implementing a menu for calculations. The first exercise involves writing a program to calculate surface area and perimeter with input validation. The second exercise develops a window with interactive list-based buttons for programming language selection, offering two update mechanisms. The third exercise creates a menu-based UI for entering rectangle dimensions and performing calculations, featuring user-friendly input bo...

This document describes the implementation of a Java program based on a class diagram. It includes detailed instructions to create classes, respect inheritance and composition relationships, and implement essential methods such as attribute setters, getters, `toString`, and cloning methods. Each class requires a `main` method to test its functionality. The focus is on managing collections of objects like 'Disque' and associating them with 'Collection' while calculating attributes such as price, duration, and quantity. Advanced error handling for index bounds and method returns is mandatory.