[問題] Number Wrapper & method overloading
public class Prac extends Test2{
public static void go(Long n){
System.out.println("Long ");
}
public static void go(Short n){
System.out.println("Short ");
}
public static void go(int n){
System.out.println("int ");
}
public static void main(String[] args) throws IOException{
short y = 6;
long z = 7;
go(y);
go(z);
}
}
---------------------------------------------------------------------
What is the result?
Answer:
int Long
為何是這樣,我本來以為會autoboxing變成 Short?
--
※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 101.13.4.123
※ 文章網址: https://www.ptt.cc/bbs/java/M.1487157143.A.9F8.html
※ 編輯: uopsdod (101.13.4.123), 02/15/2017 19:12:58
推
02/15 22:36, , 1F
02/15 22:36, 1F
→
02/15 22:36, , 2F
02/15 22:36, 2F
→
02/19 18:41, , 3F
02/19 18:41, 3F
java 近期熱門文章
PTT數位生活區 即時熱門文章