What is a “Java Bean”? [duplicate]

Any serializable java class (implementing java.io.Serializable) that follows specific conventions: a no-argument constructor, and properties accessible via get/set/is accessors. The idea is to make it predictable, so that properties etc can be discovered automatically through reflection – of great help in tool and framework development.

What is an example of the Single Responsibility Principle? [closed]

The most effective way to break applications is to create GOD classes. Those are classes that keep track of a lot of information and have several responsibilities. One code change will most likely affect other parts of the class and therefore indirectly all other classes that use it. That in turn leads to an even …

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