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import java.io.*;
import java.util.*;
import java.util.regex.*;
import java.text.*;
public class Main
{
public static void main(String[] args)
{
Scanner pz=new Scanner(new BufferedInputStream(System.in));
String str;
String[] ss=new String[5];//Ã÷Ã÷Ò»¸ö×ã¹»ÁË£¬ÒòΪÊäÈë±íʾֻ»áÔÚ×Ö´®Êײ¿»òĩβÓпոñ
//msÒ²ÄÜÒ»¸ö±í´ïʽ¸ã¶¨ËùÓеÄÇé¿ö£¬ÎÞÄÎÄÔÈÝÁ¿ÓÐÏÞ£¬Ïë²»³ö
Pattern pata=Pattern.compile("\\s*[+|-]?\\d+\\.\\d+[e|E][+|-]?\\d+\\s*");//Æ¥ÅäÀàËÆ +4.1234567890E-99999 »ò+4.13E99
Pattern patb=Pattern.compile("\\s*[+|-]?\\d+\\.\\d+\\s*");//Æ¥ÅäÀàËÆ 1.2
Pattern patc=Pattern.compile("\\s*[+|-]?\\d+[e|E][+|-]?\\d+\\s*");//Æ¥ÅäÀàËÆ 1e-12
Matcher mat=null;
while(pz.hasNext())
{
str=pz.nextLine();
if(str.charAt(0)=='*')
break;
ss=str.split(" ");
for(int i=0;i<ss.length;++i)
System.out.print(ss[i]);
mat=pata.matcher(str);
if(mat.matches())
System.out.println(" is legal.");
else
{
mat=patb.matcher(str);
if(mat.matches())
System.out.println(" is legal.");
else
{
mat=patc.matcher(str);
if(mat.matches())
System.out.println(" is legal.");
else
System.out.println(" is illegal.");
}
}
}
}
}


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´«ÖDz¥¿ÍJavaÅàѵ Javascript

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Java: @Override must override a superclass method

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@Override ʱ³öÏÖÒÔÏ´íÎó£º
The method XXXXXX   of type XXXXXXXXX must
override a superclass method
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[Java] JRebel + Maven + Jetty ÈȲ¿Êð

Ôç¾ÍÑá·³ÁË Java ¿ª·¢²»¶ÏµÄÈÝÆ÷×Ô¶¯ÖØÐ¼ÓÔØÂþ³¤µÄ¹ý³Ì£¬Ñо¿ maven + jetty ÈȲ¿Êð·½°¸µÄ¹ý³ÌÖÐżȻ·¢ÏÖÒ»Ñù²»´íµÄ¶«¶«£¬ÊÔÓÃÁËһϹûÈ»ºÜˬ£¬·¢ÉÏÀ´¸ø´ó¼Ò¹²Ïí£¬´ËÎïÃûΪ JRebel (javarebel)£¬Ä¿Ç°Ö§³Ö´ó²¿·ÖÖ÷Á÷µÄ Java ÈÝÆ÷£¬ÅäÖÃÒ²Ï൱¼òµ¥£¬ÒÔÏÂÊÇÓë maven + jetty »·¾³ÕûºÏµÄ²½ÖèÓëÒªµã£º
Ê×ÏÈ£¬ÏÂÔØ JRebel °ü£¬Ä ......

JAVA³õʼ»¯Ë³ÐòÂÔ̸

package com.wensefu.constructor;
class Meal{
Meal(){
System.out.println("Meal()");
}
}
class Bread{
Bread(){
System.out.println("bread()");
}
}
class Chesse{
Chesse(){
System.out.println("Chesse()");
}
}
class Lettuce{
Lettuce(){
System. ......

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