When an object is concatenated with a String, ________.
a. a compilation error occurs
b. a runtime error occurs
c. the object’s toString method is implicitly called to obtain the String representation of the object
d. the object’s class name is concatenated with the String
c. the object’s toString method is implicitly called to obtain the String representation of the object
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Draw a class diagram representing the application domain facts below, and map it to a relational schema.
• A project involves a number of participants. • Participants can take part in a project either as project manager, team leader, or developer. • Within a project, each developer and team leader is part of at least one team. • A participant can take part in many projects, possibly in different roles. For example, a participant can be a developer in project A, a team leader in project B, and a project manager in project C. However, the role of a participant within a project does not change.
A(n) ____________________ is a part of a document where you can create a different layout from the rest of the document.
Fill in the blank(s) with the appropriate word(s).