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public class Migong {
 
    private int gard[][]={  {1,1,1,1,0,1,1,1},
                         {0,0,0,1,1,1,1,1},
                         {1,0,1,0,1,1,1,1},
                         {0,0,1,0,0,0,1,1},
                         {1,0,0,0,0,1,1,1},
                         {1,0,1,1,0,1,1,1},
                         {1,0,1,1,1,1,1,1}};
   
    private boolean recurive(int row,int column){
      
       boolean done = false;
       if(valid(row,column)){
           gard[row][column]=3;//×ß¹ýµÄ¸ñ×Ó
           if(row==gard.length-1&&column==gard[0].length-1){
              done = true;
           }else{
              done=recurive(row+1,column);//ÏÂÒÆ
             
              if(!done){


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public class Regex {

/**
* ¼ì²éemailÊäÈëÊÇ·ñÕýÈ·
* ÕýÈ·µÄÊéд¸ñʽΪ username@domain
* @param value
* @return
*/
public boolean checkEmail(String value, int length) {
return value.matches("\\w+([-+.]\\w+)*@\\w+([-.]\\w+)* ......

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ǰÑÔ£ºÇ°¶Îʱ¼äÔÚCSDNµÄC++ÉçÇøÓöµ½Ò»¸öÐèÒª·â×°¿¼ÇÚ»ú½Ó¿ÚµÄ¶¯Ì¬¿â¸øJAVAµ÷ÓõÄÌû×Ó£¬¹´ÆðÁËÎÒ¶ÔJAVAµÄÎÞÏÞ»³Äî¡£ÔÚ´Ë£¬ÎÒÏë°ÑÕâÏî¼¼Êõ¼òµ¥ÔÙ½éÉÜһϡ£
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¢AWT£ºAbstract Window Toolkit
¢GUI£º Graphical User Interface
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 //1.ÆÕͨµÄÖ±½ÓÒýÓÃ
class test {
   private int x,y;
   public test(int x,int y) {
       setX(x);//Ò²¿ÉÒÔдΪthis.setX(x);ÕâÖÖÇé¿öÏÂthis¿ÉÒÔÊ¡ÂÔ.
   }
}
//2.·½·¨ÖеÄij¸öÐβÎÃûÓ뵱ǰ¶ÔÏóµÄÄ ......
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