如何将string 字符串和路径id连起来

Question

![img](

https://img-mid.csdnimg.cn/release/static/image/mid/ask/609810985336146.png

"=600 #left"
如何用一个循环将string字符串全部加入一个集合里呢

Answer 1

String str1 = "Hello ";
String str2 = "world";

StringBuffer stringBuffer = new StringBuffer();
// 拼接
stringBuffer.append(str1).append(str2);
// 转换为String对象
String all = stringBuffer.toString();
// 输出
System.out.println(all);