concatdemo.java

来自「JAVA 工作指南 可以说是程序员必备的东西哦」· Java 代码 · 共 9 行

class ConcatDemo {
     public static void main(String[] args){
          String firstString = "This is";
          String secondString = " a concatenated string.";
          String thirdString = firstString+secondString;
          System.out.println(thirdString);
     }
}