標籤

二元樹 (1) 字串常數池 (1) 投資 (3) 每月損益 (37) 例外處理 (1) 泛型 (2) 股票 (15) 指標 (5) 英文 (8) 基本資料型別 (1) 期貨 (1) 程式交易 (10) 量化投資 (5) 亂亂寫 (3) 概念 (3) 資料結構 (3) 演算法 (3) 數學 (3) 轉型 (1) AMA (1) ArrayList (1) assert (1) BeautifulSoup (1) C/C++ (8) casting (1) ClassCastException (1) classpath (1) Collection (4) Comparable (1) comparTo() (1) constructor (1) database (3) Debian (1) Dropbox (2) EA (2) enum (1) equals() (2) exception (3) extends (1) ffmpeg (1) final (1) Git (1) HashMap (1) HashSet (1) hasNext() (1) HTS (3) instanceof (1) IS-A (1) Iterator (1) JAVA (43) length (1) Linux (31) List (1) Mac (6) Map (1) ML (2) MT4 (6) MySQL (2) next() (1) NullPointerException (1) Number (1) Numpy (2) OpenCart (1) OpenCV (3) OSX (1) overloading (1) overriding (3) pandas (2) PHP (8) PriorityQueue (1) Python (11) Queue (1) random() (1) reverse() (1) Samba (1) SCJP (21) sqrt() (1) synchronized (1) talib (1) ufw (1) uTorrent (1) var-args (2) VHF (1) vim (2) Yhoo知識+ (4)

2011年11月4日 星期五

111022_JAVA_把字串大小寫變小大寫

String toLowerCase()


例:


String a = "SUPERMAN";
String b = "batman";
System.out.println(a.toLowerCase());
System.out.println(b.toUpperCase());



輸出:

superman
BATMAN

沒有留言:

張貼留言