Java Language Specification, Version Java SE 21 Edition

4.3.1. Objects

8 Documented Misconceptions

AddMemberAtRuntime

Set of class members can change at runtime

AssignmentCopiesObject

Assignment copies the object

NoStringToString

One cannot invoke toString() on a String

NullIsObject

null is an object

ReferenceIntoStack

References can point into the stack

ReferenceToVariable

References can point to variables

ToStringPrints

Invoking toString() prints something

VariablesHoldObjects

A variable of a reference type contains a whole object