摘要:
ublic class Demo03ArrayList { public static void main(String[] args) { ArrayList<String> list=new ArrayList<String>(); list.add("张三"); list.add("李丽"); 阅读全文
摘要:
public class Demo02ScannerSum { public static void main(String[] args) { Scanner sc = new Scanner(System.in); System.out.println("请输入第一个数字:"); int a = 阅读全文