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A classification of relationships in which each item except the top one (known as the root) is a specialized form of the item above it. Each item can have one or more items below it in the hierarchy. In the Java class hierarchy, the root is the
Objectclass.- Browse Related Terms: abstract, aggregation, class inheritance, has-a relationship, Hash Function, hierarchy, implements clause, inheritance, inheritance hierarchy, interface inheritance, is-a relationship, multiple inheritance, sibling sub classes, single inheritance, sub class, Super, upcast