how to deallocate memory spaces in Java. ? : <p>I am working on an enhancement project which had an issue, " The process of the android app is slowed proportionally as the usage of app is increased" I figured out the reason for the slow process is accumulation of data in cache memory, which is not cleared after the particular session is closed(i.e the cache memory remains even after the app is closed.). Since the app is developed in Java I couldn't use Destructor to clear the memory space. 
Can any one suggest the possible way to deallocate the memory space.?</p>
