package scanner;import java.util.Scanner;public class NextLine {    public static void main(String[] args) {        //nextLine()方法返回的是enter键之前的字符                Scanner line = new Scanner(System.in);                    //想用两次就直接掉用两次，把nextLine赋值给字符串                String lineStr = line.nextLine();    //hello                String lines = line.nextLine();        //world                        System.out.println("lineStr: " + lineStr);  //lineStr: hello                System.out.println("lines: " + lines);        //lines: world    }}