package com.raorao.beauty; /** * . * * @author Xiong Raorao * @since 2018-08-29-17:36 */ public class CPU { public static void main(String[] args) { int busyTime = 20; int idleTime = busyTime / 2; long startTime = 0; while (true) { startTime = System.currentTimeMillis(); // busy loop while ((System.currentTimeMillis() - startTime) <= busyTime) ; // idle loop try { Thread.sleep(idleTime); } catch (InterruptedException e) { System.out.println(e); } } } }