import java.util.Scanner; // 注意类名必须为 Main, 不要有任何 package xxx 信息 public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); // 注意 hasNext 和 hasNextLine 的区别 int a = in.nextInt(); long b = in.nextLong(); float c = in.nextFloat(); String d = in.next(); in.nextLine();//吃掉前面换行符 String e = in.nextLine(); System.out.println(a); System.out.println(b); System.out.printf("%.1f%n",c); System.out.println(d); System.out.print(e); return; } }