面试题：自增自减
class A12{
public static void main(String[] args) {
int a = 10;
int b = 5;
int c = a++ + ++a - --b - ++b + 1 + a--;
//26
System.out.println(c);
//11
System.out.println(a);
//5
System.out.println(b);
}
}
