Garbage recovery mobile communication terminal of Java virtual machine and recovery method thereof
A technology of mobile communication terminal and java virtual machine, which is applied in the field of mobile communication terminals for garbage collection, can solve problems such as inability to control the timing of garbage collection, and achieve the effect of ensuring accuracy
Inactive Publication Date: 2008-07-16
ZTE CORP
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The invention discloses a rubbish recovery mobile communication terminal and a rubbish recovery method for a Java virtual machine. The method of the invention comprises the following steps: context environment of a current thread is preserved; all running objects in a memory of the Java virtual machine are traversed, and accessible objects are marked and types of the accessible objects are recorded; memory space of the Java virtual machine which is occupied by unmarked objects is incorporated and released; memory space of the accessible objects is contracted; the convex environment of the current thread is recovered. The invention can rightly distinguish types of objects which are used by a system and predict and record the size of free memories in a memory zone, thereby accuracy of operation of the system is guaranteed. Moreover, the invention divides a system memory into memory blocks with fixed size and the accessible objects are collected into a continuous zone for realization of constrictive memory fragmentation management on allocated memories.
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