Services sociauxLes services sociaux désignent, dans les pays industrialisés, l'ensemble des institutions, publiques ou privées, assurant ce que l'on appelle en général le travail social, c'est-à-dire la protection des personnes vulnérables (ou fragiles) de par leur situation économique (pauvreté), médicale (handicap), leur âge (enfance et vieillesse), leur isolement social (délinquants, sans-abris) ou linguistique (et les problèmes de maltraitance chez les enfants).
Java collections frameworkThe Java collections framework is a set of classes and interfaces that implement commonly reusable collection data structures. Although referred to as a framework, it works in a manner of a library. The collections framework provides both interfaces that define various collections and classes that implement them. Collections and arrays are similar in that they both hold references to objects and they can be managed as a group. However, unlike arrays, Collections do not need to be assigned a certain capacity when instantiated.
Biens et servicesGoods are items that are usually (but not always) tangible, such as pens, physical books, salt, apples, and hats. Services are activities provided by other people, who include architects, suppliers, contractors, technologists, teachers, doctors, lawn care workers, dentists, barbers, waiters, online servers, a digital book, a digital video game or a digital movie. Taken together, it is the production, distribution, and consumption of goods and services which underpins all economic activity and trade.
