Joiner

Joiner字符串拼接对象 on方法 on 以空格为分隔符 join内是拼接的对象:迭代器对象、数组、可变参数等 1234567891011121314151617181920//例子Joiner.on(" ").join("四川省","成都市","金牛区").toString();//result四川省 成都市 金牛区//动态拼接StringBuffer result = new StringBuffer("result: "); Joiner.on(" ").appendTo(result,7,8);//result7 8//直接忽略NullJoiner.on(" ").skipNulls().join("四川省","成都市","金牛区",null).toString()//找出Null，并用其他值代替Joiner.on("...