Difference between multithreading with and without Executor
问题 I am trying to find out about the performance difference between normal multithreading and multithreading using executor (to maintain a thread pool). The below are code examples for both. Without Executor Code (with multithreading): import java.lang.management.ManagementFactory; import java.lang.management.MemoryPoolMXBean; import java.lang.management.MemoryUsage; import java.lang.management.ThreadMXBean; import java.util.List; public class Demo1 { public static void main(String arg[]) {