encapsulation
Học thuậtThân thiện
Definition
- Noun:
- The process of enclosing something within a capsule or a protective covering: This refers to the act of placing an item or substance inside a capsule, sheath, or similar container.
- The condition of being enclosed within such a capsule or covering: This describes the state of something that has been encapsulated.
- (In computing and object-oriented programming) The bundling of data with the methods that operate on that data, restricting direct access to some of an object's components: This is a fundamental principle where implementation details are hidden, and interaction occurs through a defined interface.
Usage Examples
- General Usage:
- The encapsulation of medicine in a gelatin capsule makes it easier to swallow.
- The encapsulation of the electrical wires prevents short circuits.
- Computing/Programming Usage:
- A key benefit of encapsulation in Java is that it protects an object's internal state from unintended interference.
- The class uses encapsulation to hide its data fields, providing access only through public methods.
Advanced Usage
- "Data encapsulation": In networking, this refers to the process of adding headers (and sometimes trailers) to data from a higher-layer protocol as it moves down the OSI or TCP/IP model.
- Data encapsulation occurs when a transport layer segment is passed to the network layer and becomes a packet.
- "Violation of encapsulation": In software design, this occurs when external code bypasses the intended interface and directly manipulates an object's internal data, which is considered poor practice.
- Using public class variables instead of private ones with getters can lead to a violation of encapsulation.
Variants and Related Words
- Encapsulate (verb): To enclose in or as if in a capsule; to summarize or condense.
- The report encapsulates the findings of the three-year study.
- Encapsulated (adjective): Describes something that has been enclosed.
- The encapsulated bacteria were resistant to the stomach's acid.
Synonyms
- Enclosure: The act of surrounding or closing off.
- Containment: The action of keeping something within limits.
- Packaging: The process of enclosing something for storage, sale, or distribution.
- (In computing) Information hiding: The principle of concealing the internal details of a module or object.
Related Phrases
- "Capsule summary": A very brief, condensed summary. While not a phrasal verb with "encapsulation," it relates to the verb "encapsulate."
- The executive gave a capsule summary of the quarterly results.
Noun
- the process of enclosing (as in a capsule)
- the condition of being enclosed (as in a capsule)
- the encapsulation of tendons in membranous sheaths