循环从键盘接收5个字符串,并连接成一个字符串

import java.util.Scanner;
public class Example01 {
    //循环从键盘接收5个字符串，并连接成一个字符串。
    public static void main(String[] args) {
        Scanner num = new Scanner(System.in);
        StringBuilder string = new StringBuilder(new String());
        for (int i = 0; i < 5; i++) {
            System.out.print("请输入第" + (i + 1) + "个字符串：");
            string.append(num.next());
        }
        System.out.println("连接后的字符串为：" + string);//打印输出字符串
    }
}