ERD
What is the meaning ofDerive the department and staff relations from the following ERD.
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Model-view pattern: It is a pattern in which the representation of data (that is, the model) is kept separate from its visualization (that is, the view). These decoupling makes it simpler to change the underlying data representation, or give multiple
Byte code: Java source files are converted by a compiler into bytecodes that is, the instruction set of the Java Virtual Machine (JVM). The Bytecodes are stored in the .class files.
Coupling: Coupling occurs whenever classes are aware of each of other as their instances should interact. The linkage between two classes which might be either weak or strong. Stronger coupling occurs whenever one class has a thorough knowledge of the
What is Class method: It is a synonym for the static method.
Object: It is an instance of a particular class. In common, any number of objects might be constructed from a class definition. The class to which an object belongs states the common characteristics of all instances of that class. In those characteris
Reader class: It is sub-class of the Reader abstract, stated in the java.io package. Reader classes translate input from the host-dependent character set encoding into the Unicode.
Redundant value: The value of a data type which has no use or meaning in a particular context. For example, negative values would be redundant a class employing integer attributes to the model assignment marks. In several applications, redundant patte
What is Unique Identifier and how do I determine one?
Inconsistent state: A state which an object must not be in. A class requires to be carefully designed in order to make sure that none of its examples can get into a conflicting state. An illustration of an inconsistent state may be a football team wit
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