Unified Modeling Language (UML) is a widely used method of visualizing and documenting an information system. The UML can be used to develop (71),in which an object represents a
person, place, event, or transaction that is significant to the information system. Systems analysts define an object’s attributes during the (72).An object also has (73)，which are tasks or functions that the object performs when it receives a message, or command, to do so. A(n) (74) is a group of similar objects. If objects are similar to nouns, attributes are similar to adjectives that describe the characteristics of an object. Objects can have a specific attribute called a(n) (75), which of an object is an adjective that describes the object's current status. All objects within a class share common attributes and methods, so a class is like a blueprint, or template for all the objects within the class.
