JAVA Stringæ¿æ¢æå®å符æ两个æ¹æ³:
//è¿åä¸ä¸ªæ°ç
å符串ï¼å®æ¯éè¿ç¨ newChar æ¿æ¢æ¤å符串ä¸åºç°çææ oldChar èçæç
public String replace(char oldChar,char newChar)
//示ä¾
String str="Hello World";
System.out.println( str.replace( 'H','W' ) );//è¾åºWello World
//使ç¨ç»å®ç replacement å符串æ¿æ¢æ¤å符串å¹é
ç»å®ç
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public String replaceAll(String regex,String replacement)
示ä¾ï¼
String str="Hello World";
System.out.println( str.replaceAll( 'l','w' ) );//è¾åºHewwo Worwd