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<ac:structured-macro ac:name="anchor" ac:schema-version="1" ac:macro-id="dce0489114aeb65f-556accf2-45074af2-a1aeb7b6-960fa06c388f47218a5e0f58"><ac:parameter ac:name="">CON03-EX1</ac:parameter></ac:structured-macro> *CON03-EX1:* It is permissible to start a background thread during class initialization provided the thread does not access any fields. For example, the {{ObjectPreserver}} class (based on \[[Patterns 02|AA. Java References#Patterns 02]\]) shown below provides a mechanism for storing object references, which prevents an object from being garbage-collected, even if the object is not dereferenced in the future. |
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