Description: Observer pattern (alias: dependency, publish- subscribe) defines the objects of a many dependency relationship, when an object' s state changes, all objects that depend on it have been notified and updated automatically. Observer pattern wondering about the plurality of objects in an object data in the case of changing a mature model. Observer pattern called a " subject" of the object and a number called an " observer" object, " Subject" , and " observer" is an inter-many dependencies, when the " subject" state changes, all the " observer" are notified. The previous example, the " job center" corresponds to a particular observer mode " Subject" each " job" is equivalent to a specific viewer mode " observer."
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Observer_Pattern_1\.classpath
..................\.project
..................\.settings\org.eclipse.jdt.core.prefs
..................\bin\com\observer\HaiGuiImpl.class
..................\...\...\........\IObserver.class
..................\...\...\........\UniversityStudentImpl.class
..................\...\...\subject\ISubject.class
..................\...\...\.......\SeekJobCenterImpl.class
..................\...\...\test\Application.class
..................\src\com\observer\HaiGuiImpl.java
..................\...\...\........\IObserver.java
..................\...\...\........\UniversityStudentImpl.java
..................\...\...\subject\ISubject.java
..................\...\...\.......\SeekJobCenterImpl.java
..................\...\...\test\Application.java
..................\bin\com\observer
..................\...\...\subject
..................\...\...\test
..................\src\com\observer
..................\...\...\subject
..................\...\...\test
..................\bin\com
..................\src\com
..................\.settings
..................\bin
..................\src
Observer_Pattern_1
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