package study.java.hanyx.el.test; import org.mvel2.MVEL; import com.googlecode.aviator.AviatorEvaluator; import com.greenpineyu.fel.FelEngine; public class Challenge1 { private static final String el = "1000+100.0*99-(600-3*15)/(((68-9)-3)*2-100)+10000%7*71"; // private static final String el = "6.7-100>39.6 ? 5==5? 4+5:6-1 : !(100%3-39.0<27) ? 8*2-199: 100%3"; public static void main(String[] args) { int times = 100000; long time1 = System.currentTimeMillis(); for (int i = 0; i < times; i++) { mvEL(); } long time2 = System.currentTimeMillis(); System.out.println("MVEL��ʱ: " + (time2-time1) + " ms"); for (int i = 0; i < times; i++) { fastEL(); } long time3 = System.currentTimeMillis(); System.out.println("Fast-EL��ʱ: " + (time3-time2) + " ms"); for (int i = 0; i < times; i++) { aviatorEl(); } long time4 = System.currentTimeMillis(); System.out.println("Aviator��ʱ: " + (time4-time3) + " ms"); } private static void fastEL() { FelEngine.instance.eval(el); } private static void aviatorEl() { AviatorEvaluator.execute(el); } private static void mvEL() { MVEL.eval(el); } }