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<ac:structured-macro ac:name="anchor" ac:schema-version="1" ac:macro-id="a5199bbfe6e7a077-c009e689-4e8048b2-9800a4a6-01f6f12c8bb26163f5e8d104"><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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