调用:System.getProperties().getPropertity(String name) String
调用:System.getProperties().getPropertity(String name) String
java + 2019-12-14 09:55 −public class Sample { public static void main(String[] args) {int a, b, c, d, e; Scanner s = new Scanner(System.in); System.out.pri... anobscureretreat 0 625 Java——Map 2019-12-19 23:30 −Map(java.util.Map) Map是Java顶层接口之一。 1. 接口...