试题详情
单项选择题 public class Test {  public static void add3 (Integer i) {  int val = i.intValue();  val += 3;  i = new Integer(val); }  public static void main(String args[]) {  Integer i = new Integer(0);  add3(i);  System.out.println(i.intValue());  }  }   What is the result? () 

A、 0

B、 3

C、 Compilation fails.

D、 An exception is thrown at runtime.

  • A
  • 关注下方微信公众号,在线模考后查看

热门试题