String,StringBuffer涓tringBuilder??
杞?锛?a href="http://blog.csdn.net/rmn190/article/details/1492013" style="font-size: 12px; line-height: 1.5;">http://blog.csdn.net/rmn190/article/details/1492013
String 瀛覆甯搁?br>StringBuffer 瀛覆锛嚎绋锛?br>StringBuilder 瀛覆锛绾跨瀹锛绠