【Java】字符串连接

import java.util.Scanner; public class lianJie{ public static void main(String[] args){ System.out.println("第一个字符串"); Scanner sca=new Scanner(System.in); String str1=sca.nextLine(); System.out.println("第二个字符串"); String str2=sca.nextLine(); sca.close(); String str3=str1+str2; System.out.println("拼接后字符串为:"+str3); } }