Answer:
After checking the attached picture, come to this calculated "Total Time".
Total time 'T'
T = (0.25)(200) + (0.15)(200) + (0.1)(250) + (0.05)(175) + (0.45)(75)
T = 147.5 ps
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).