摘要: Use append(String str) API method of StringBuffer. This method appends the specified string to this character sequence. The method can also be used to 阅读全文
posted @ 2018-11-02 17:43 7894561230 阅读(197) 评论(0) 推荐(0) 编辑
摘要: Java 9+ In Java 9, you can simply write: Map.entry(key, value) to create an immutable pair. Note: this method does not allow keys or values to be null 阅读全文
posted @ 2018-11-02 00:30 7894561230 阅读(1219) 评论(0) 推荐(0) 编辑