分析程序结果 class X { static int num=100; static void add(int n) { num+=n; } } public class Test { public static void main(String[] args) { X a = new X(); a.add(200); X b = new X(); b.add(400); System.out.println(a.num); System.out.println(b.num); System.out.println(X.num); } } 写程序结果: ( )
发布时间:2024-04-10 11:26:29