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package com.javapuzzlers;
import java.io.File;
public class MeToo {
public static void main(String[] args){
System.out.println(MeToo.class.getName().
replaceAll("\\.", File.separator) + ".class");
}
}
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Exception in thread "main"
java.lang.StringIndexOutOfBoundsException: String index out of range: 1
at java.lang.String.charAt(String.java:558)
at java.util.regex.Matcher.appendReplacement(Mather.
java:696)
at java.util.regex.Matcher.replaceAll(Mather.java:806)
at java.lang.String.replaceAll(String.java:2000)
at com.javapuzzlers.MeToo.main(MeToo.java:6)
¾¡¹ÜÕâÖÖÐÐΪÊÇÆ½Ì¨Ïà¹ØµÄ£¬µ«ÊÇËü²¢·Ç¾ÍÊÇÎÒÃÇËùÆÚ´ýµÄ¡£ÔÚWindowsÉϳöÁËʲô´íÄØ£¿
ÊÂʵ֤Ã÷£¬String.replaceAllµÄµÚ¶þ¸ö²ÎÊý²»ÊÇÒ»¸öÆÕͨµÄ×Ö·û´®£¬¶øÊÇÒ»¸öÌæ´ú×Ö·û´®£¨replacement string£©£¬¾ÍÏñÔÚjava.util.regex¹æ·¶ÖÐËù¶¨ÒåµÄÄÇÑù[Java-API]¡£ÔÚÌæ´ú×Ö·û´®ÖгöÏֵķ´Ð±¸Ü»á°Ñ½ôËæÆäºóµÄ×Ö·û½øÐÐתÒ壬´Ó¶øµ¼ÖÂÆä±»°´×ÖÃæº¬Òå¶ø´¦ÀíÁË¡£
µ±ÄãÔÚWindowsÉÏÔËÐиóÌÐòʱ£¬Ìæ´ú×Ö·û´®Êǵ¥¶ÀµÄÒ»¸ö·´Ð±¸Ü£¬ËüÊÇÎÞЧµÄ¡£²»¿É·ñÈÏ£¬Å׳öµÄÒì³£Ó¦¸ÃÌṩ¸ü¶àһЩÓÐÓõÄÐÅÏ¢¡£
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System.out.println(MeToo.class.getName().replaceAll("\\.",
Matcher.quoteReplacement(File.separator)) + ".class");
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