字串（String） · 宣告字串. 宣告字串有多種方式：. 宣告方式, 說明. String x = new String();, 建立空字串 · 字串方法. 方法, 功能, 輸出型態. length(), 取得字串長度 · 字 ... ... <看更多>

This method shows how to use the built in substring method in java This is a video response to the question about how to break a four word ... ... <看更多>

How about using StringUtils.countMatches from Apache Commons Lang? String str = "helloslkhellodjladfjhello"; String findStr = "hello"; ... ... <看更多>