方法 | 描述 |
---|---|
String replaceFirst(String regex, String replacement) | 將第一個符合 regex 的子字串置換成 replacement |
舉例如下
class ReplacefirstDemo { public static void main(String[] args) { String a = "Imagination is more important than knowledge."; String b = "He who has hope has everything."; String c = "台上一分鐘,台下十年功。"; System.out.println(a.replaceFirst("know", "f")); System.out.println(b.replaceFirst("has", "has not")); System.out.println(c.replaceFirst("台", "臺")); } } /* 《程式語言教學誌》的範例程式 http://pydoing.blogspot.com/ 檔名:ReplacefirstDemo.java 功能:示範物件導向的基本觀念 作者:張凱慶 時間:西元 2010 年 10 月 */
編譯後執行,結果如下
中英文術語對照 | |
---|---|
類別 | class |
方法 | method |
字串 | string |
參考資料
http://download.oracle.com/javase/tutorial/java/data/strings.html
http://download.oracle.com/javase/tutorial/java/data/converting.html
http://download.oracle.com/javase/tutorial/java/data/manipstrings.html
http://download.oracle.com/javase/tutorial/java/data/comparestrings.html
http://download.oracle.com/javase/7/docs/api/java/lang/String.html
http://download.oracle.com/javase/tutorial/java/data/strings.html
http://download.oracle.com/javase/tutorial/java/data/converting.html
http://download.oracle.com/javase/tutorial/java/data/manipstrings.html
http://download.oracle.com/javase/tutorial/java/data/comparestrings.html
http://download.oracle.com/javase/7/docs/api/java/lang/String.html
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