Lazy loading and Eager Loading

Lets try to find out what’s the difference between Lazy and Eager Loading in Hibernate. Lazy loading : Lazy loading  means that it does not actually load all the children when loading the parent. ...
Java Tutorial

Abstract class

In design,  want the base class to present only an interface for its derived classes. This means,  don’t want anyone to actually instantiate an object of the base class.  Only want to upcast to it ...
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