java_Continuously read in multiple rows of non-empty data (read in at the end of a blank line)

package myUtils;

import java.util.Scanner;


public class Main{
    
    
    public static void main(String[] args) {
    
    
        Scanner scanner=new Scanner(System.in);
        StringBuilder stringBuilder=new StringBuilder();
        String line="";
        while(true){
    
    
            line=scanner.nextLine();
            /*读入一个空行,立即跳出循环(结束读入)*/
            if(line.length()==0){
    
    
                break;
            }
            stringBuilder.append(line+"\n");
        }
        System.out.println(stringBuilder.toString());
    }
}