finally 语句块的深度辨析

/** * Created by HASEE on 2017/4/24. */public class FinallyDemo2 {    public static void main(String[] args) {        System.out.println(test());    }    private static int test() {        int i=10;        try {            System.out.println("执行try：1");            //return i+=20;            i=i/0;        }        catch (Exception e){            i+=15;            System.out.println("执行catch：2");        }        finally {            System.out.println("执行finally:3");            if (i>15){                System.out.println("i>15:4");            }            i+=50;        }        return i;    }}