方法 | 描述 |
---|---|
int lastIndexOf(int ch) | 回傳最後一個 ch 字元的索引值 |
int lastIndexOf(int ch, int fromIndex) | 回傳 fromIndex 之前的最後一個 ch 字元的索引值 |
int lastIndexOf(String str) | 回傳最後一個子字串 str 開始的的索引值 |
舉例如下
class LastindexofDemo { 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.lastIndexOf('i')); System.out.println(b.lastIndexOf('a', 10)); System.out.println(c.lastIndexOf("台下")); } } /* 《程式語言教學誌》的範例程式 http://pydoing.blogspot.com/ 檔名:LastindexofDemo.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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