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Java SEѧϰ_String[] split(String regex)_×¢ÒâÊÂÏî


String[] split(String regex)
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    Èç¹ûÓÃ"."×ö·Ö¸îµÄ»°±ØÐëÒªÕâÑù"\\."Èç¹ûÊÇ|Ò²ÊÇ"\\|"¡£
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String b = new String("30:20");
String[] ss = b.split(":");//ûÎÊÌâ
String s = new String("30+2");
String[] ss = s.split("\\+");
String[] strs = "java.lang.String".split("\\.");
//strs[2] = "String"
// µÚ¶þÖÖ·½·¨£º
String source = "java.lang.String";
int idx = source.lastIndexOf(".");
String str = source.substring(idx);
// str = "String"


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public class testreplace {
 
 
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