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Which shows a set of objects and their relationship?
An object diagram shows a set of objects and their relationships. Object diagrams represent static snapshots of instances of the things found in class diagrams.
Which diagram if objects lifetime are important to show?
Use sequence diagrams if object lifetimes are important to show. When you model an interaction, you typically include both roles (each one representing objects that appear in an instance of the interaction) and messages (each one representing the Collaboration between objects, with some resulting action).
What does it mean to have relationship between two objects?
A relationship is a two-way association between two objects. Relationships associate objects with other objects. Create relationships to link objects with each other, so that when your users view records, they can also see related data. You can define different types of relationships by creating custom relationship fields on an object.
What is the relationship between two classes in Java?
Association is a connection or relationship between two separate classes. It shows how objects of two classes are associated with each other. The Association defines the multiplicity between objects. We can describe the Association as a has-a relationship between the classes.
What are the relationships between objects in programming?
Similar to real life, objects in programming also have relationships. They follow some patterns and have hierarchies. The Class can be said as the “blueprint” for the creation of objects. Many types of relations exist between objects. Object-Oriented Programming has different objects and different relationships exist between them too.
Which is the best description of a relationship?
A relationship is a two-way association between two objects. Relationships associate objects with other objects. Create relationships to link objects with each other, so that when your users view records, they can also see related data.