ternary operator:
advantage:
make a terse simple conditional assignment statement of if-then-else.
disadvantage:
if must contains return type,for instance,the code below compiles error.
1 int a = 2 > 1 ? Print.println("2 > 1") : 1; 2 //compile error.
(ternary operator)三元运算符.,布布扣,bubuko.com
原文：http://www.cnblogs.com/listened/p/3579577.html