Should I use Java objects?

Generally Object should only be used when dealing with a collection of elements of disparate or unknown type . This then usually is followed by instanceof and cast statements. Many APIs return Object when then can provide disparate types and some of this is a holdover from Java 4 and older prior to generics.

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What is object type Java?

Object Data Type: These are also referred to as Non-primitive or Reference Data Type . They are so-called because they refer to any particular objects. Unlike the primitive data types, the non-primitive ones are created by the users in Java. Examples include arrays, strings, classes, interfaces etc.

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