Answer: Java Virtual Machine(JVM)
Explanation: In java,there is the process of the management of the memory by own self or automation , this is known as the garbage collection .The program in it compile to be executed by the java virtual machine(JVM).During this process , object get together in a sort of heap and then unnecessary object are detected which are of no use and delete them to make space for the memory . Therefore, garbage collection is carried out by java virtual machine(JVM).