以下代码的输出结果为 public class test{ int x=5; public static void main (String args[]){ test t =new test(); t.x++; change(t); System.out.println(t.x); } static void change(test m){ m.x+=2; } }
【单选题】which word means "A software program capable of reproducing itself and usually capable of causing great harm to files or other programs on the same computer "