Scanner sc = new Scanner(System.in);
String line = "";
while (true) {
 line = sc.nextLine();
 if (line.isEmpty()) break;
}

------解决方案--------------------


楼上的可行
探讨


for example
Java code
Scanner sc = new Scanner(System.in);
String line = "";
while (true) {
 line = sc.nextLine();
 if (line.isEmpty()) break;
}