枚举

package com.bjpowernode.javase.enum2;

public class EnumTest01 {
    public static void main(String[] args) {
        boolean success=divde(10,2);
        System.out.println(success? "计算成功" : "计算失败");
    }
    // 这种方法的缺陷 就是只能计算两种情况
    public static boolean divde(int a,int b){
        try{
            int c=a/b;
            return true;
        }
        catch(Exception e)
        {
            return false;
        }
    }
}

package com.bjpowernode.javase.enum2;

public class EnumTest02 {
    public static void main(String[] args) {
        Result r=divide(10,2);
        System.out.println(r==Result.SUCCES ? "计算成功" : "计算失败");

    }
    public static Result divide(int a,int b)
    {
        try{
            int c=a/b;
            return Result.SUCCES;
        }
        catch (Exception e)
        {
            return Result.FAIL;
        }
    }
}

// 枚举
enum Result{
    SUCCES,FAIL
}