01
public class Answer {
02
public static void main(String[] args) {
03
int score = 20;
04
Answer ans= new Answer();
05
ans.add(score);
06
System.out.println(" main: score = " + score);
07
}
08
void add(int score) {
09
System.out.println(" add: score=" + score++);
10
}
11
}
为什么输出20 20不是20 21
public class Answer {
02
public static void main(String[] args) {
03
int score = 20;
04
Answer ans= new Answer();
05
ans.add(score);
06
System.out.println(" main: score = " + score);
07
}
08
void add(int score) {
09
System.out.println(" add: score=" + score++);
10
}
11
}
为什么输出20 20不是20 21











