假设有个类已经定义了下述的变量: int num1 = 10; int num2 = 20; String word = new String("exam"); double answer = 25.5; 另外定义了下列方法头: public int stuff(String s, int x, int y) 以下哪个是正确的方法调用:
A.
num1 = stuff("hello", num1, num2);
B.
answer = stuff(word, answer, num2);
C.
num2 = stuff("hello",num1,answer);
D.
num1 = stuff(num1,num2,answer);