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 ×îÐÂÎÄÕ : java

JavaÕýÔò±í´ïʽ

ÖÚËùÖÜÖª£¬ÔÚ³ÌÐò¿ª·¢ÖУ¬ÄÑÃâ»áÓöµ½ÐèҪƥÅä¡¢²éÕÒ¡¢Ìæ»»¡¢ÅжÏ×Ö·û´®µÄÇé¿ö·¢Éú£¬¶øÕâЩÇé¿öÓÐʱÓֱȽϸ´ÔÓ£¬Èç¹ûÓô¿±àÂ뷽ʽ½â¾ö£¬ÍùÍù»áÀ˷ѳÌÐòÔ±µÄʱ¼ä¼°¾«Á¦¡£Òò´Ë£¬Ñ§Ï°¼°Ê¹ÓÃÕýÔò±í´ïʽ£¬±ã³ÉÁ˽â¾öÕâһì¶ÜµÄÖ÷ÒªÊֶΡ£
 ´ó ¼Ò¶¼ÖªµÀ£¬ÕýÔò±í´ïʽÊÇÒ»ÖÖ¿ÉÒÔÓÃÓÚģʽƥÅäºÍÌæ»»µÄ¹æ·¶£¬Ò»¸öÕýÔò±í´ïʽ¾ÍÊÇÓÉÆÕͨµÄ×Ö·û£¨ÀýÈç×Ö·ûaµ½z£©ÒÔ¼°ÌØÊâ×Ö·û£¨Ôª×Ö·û£©×é³ÉµÄÎÄ×Öģʽ£¬Ëü ÓÃÒÔÃèÊöÔÚ²éÕÒÎÄ×ÖÖ÷Ìåʱ´ýÆ¥ÅäµÄÒ»¸ö»ò¶à¸ö×Ö·û´®¡£ÕýÔò±í´ïʽ×÷Ϊһ¸öÄ£°å£¬½«Ä³¸ö×Ö·ûģʽÓëËùËÑË÷µÄ×Ö·û´®½øÐÐÆ¥Åä¡£
  ×Ô´Ójdk1.4ÍƳöjava.util.regex°ü£¬¾ÍΪÎÒÃÇÌṩÁ˺ܺõÄJAVAÕýÔò±í´ïʽӦÓÃƽ̨¡£
 
 ÒòΪÕýÔò±í´ïʽÊÇÒ»¸öºÜÅÓÔÓµÄÌåϵ£¬ËùÒÔÎÒ½öÀý¾ÙЩÈëÃŵĸÅÄ¸ü¶àµÄÇë²ÎÔÄÏà¹ØÊé¼®¼°×ÔÐÐÃþË÷¡£
\\ ·´Ð±¸Ü
\t ¼ä¸ô ('\u0009')
\n »»ÐÐ ('\u000A')
\r »Ø³µ ('\u000D')
\d Êý×Ö µÈ¼ÛÓÚ[0-9]
\D ·ÇÊý×Ö µÈ¼ÛÓÚ[^0-9]
\s ¿Õ°×·ûºÅ [\t\n\x0B\f\r]
\S ·Ç¿Õ°×·ûºÅ [^\t\n\x0B\f\r]
\w µ¥¶À×Ö·û [a-zA-Z_0-9]
\W ·Çµ¥¶À×Ö·û [^a-zA-Z_0-9]
\f »»Ò³·û
\e Escape
\b Ò»¸öµ¥´ÊµÄ±ß½ç
\B Ò»¸ö·Çµ¥´ÊµÄ±ß½ç
\G Ç°Ò»¸öÆ¥ÅäµÄ½áÊø
^ΪÏÞÖÆ¿ ......

¾ØÕóÁ¬³ËËã·¨javaʵÏÖ

public class MatrixChainOrder {
int[] p;
int[][] m;
int[][] s;
int length;
public MatrixChainOrder(int[] p,int[][] m,int[][] s){
this.p = p;
this.length = p.length/2;
this.m = m;
this.s = s;

init();
clac();
printM();
}

public void init(){
for (int i=0;i<length;i++){
m[i][i] = 0;
}


}

public void clac(){
for (int i=1;i<length;i++){
for (int j=0;j<length-i;j++){
int r = j+i;
int t = Integer.MAX_VALUE;
for (int k = j;k<r;k++){
int temp = m[j][k] + m[k+1][r] + p[j*2]*p[k*2+1]*p[r*2+1];
if (t > temp){
t = temp;
m[j][r] = temp;
}
}
}
}
}

public void printM(){
......

java´òÓ¡100

×öÕâ¸öÎÊÌ⿪ʼÎÒµÄ˼·ÊÇÕýÈ·µÄ£¬¿ÉÊÇ£¬Ö»ÊÇÏëÒ»Æð´òÓ¡100-10000µÄ£¬ºóÀ´²Å·¢ÏÖ²»¿ÉÒÔ¡£¡£
public class shui
{
  public static void main(String[] args)
  {
  System.out.println("¿ªÊ¼Êä³öË®ÏÉ»¨Êý");
  /*´òÓ¡100-1000ÒÔÄÚµÄË®ÏÉ»¨¡£*/
  int b,s,g;
    for(int i=100;i<1000;i++)
    {  
      b=i/100;
      s=i%100/10;
      g=i%10;
      if(b*b*b+s*s*s+g*g*g==i)
      {
       System.out.println("100—1000µÄË®ÏÉ»¨Îª £º"+i);
      }
    }
   /*1000µ½10000µÄË®ÏÉ»¨Êý*/
    int w , x , z,q;
    for(int i=1000 ; i<10000 ; i++)
    {
     w = i / 1000;
     x=(i-w*1000)/100;
     z= ......

Java ObjectµÄÏê½â

תÌû×Ô: http://hi.baidu.com/java4me/blog/item/76ca8407338ed2720208818d.html
¹¹Ôì·½·¨ÕªÒª
Object()
           
·½·¨ÕªÒª
protected Object clone()
           ´´½¨²¢·µ»Ø´Ë¶ÔÏóµÄÒ»¸ö¸±±¾¡£
boolean equals(Object obj)
           ָʾij¸öÆäËû¶ÔÏóÊÇ·ñÓë´Ë¶ÔÏó“ÏàµÈ”¡£
protected void finalize()
           µ±À¬»ø»ØÊÕÆ÷È·¶¨²»´æÔڶԸöÔÏóµÄ¸ü¶àÒýÓÃʱ£¬ÓɶÔÏóµÄÀ¬»ø»ØÊÕÆ÷µ÷Óô˷½·¨¡£
Class<? extends Object> getClass()
           ·µ»ØÒ»¸ö¶ÔÏóµÄÔËÐÐʱÀà¡£
int hashCode()
           ·µ»Ø¸Ã¶ÔÏóµÄ¹þÏ£ÂëÖµ¡£
void notify()
           »½ÐÑÔڴ˶ÔÏó¼àÊÓÆ÷ÉϵȴýµÄµ¥¸öÏ̡߳£
void notifyAll()
   &nbs ......

Ì°ÐÄËã·¨£¨ÕÒÁãÇ®¡¢»î¶¯°²ÅÅ£©javaʵÏÖ

zhaoqian.java
public class zhaoqian
{
public static void main(String[] args)
{
int m[]={25,10,5,1};
int n=99;
int[] num=new int[m.length];
num=zhaoqian(m,n);
System.out.println(n+"µÄÕÒÇ®·½°¸£º");
for(int i=0;i<m.length;i++)
System.out.println(num[i]+"ö"+m[i]+"ÃæÖµ");
}
public static int[] zhaoqian(int m[],int n)
{
int k=m.length;
int[] num=new int[k];
for(int i=0;i<k;i++)
{
num[i]=n/m[i];
n=n%m[i];
}
return num;
}
}
Activearr.java
public class Activearr
{
public static int greedselector(int [] s,int [] f,boolean [] a)
{
int n = s.length - 1;
a [0] = true;
int j = 1;
int count = 1;

for (int i = 1;i <= n;i ++)
{
if (s [i] > ......

javaÓëģʽѧϰ±Ê¼Ç(¶þ)

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  ½¨Ô칦ÄÜ£ºumlÖ»ÊÇÃæÏó¶ÔÏó·ÖÎö¡¢Éè¼Æ˼ÏëµÄÌåÏÖ£¬ºÍ¾ßÌåµÄʵÏÖƽ̨Î޹أ¬ÓÃUML½¨Ä£ºÍÉè¼ÆµÄϵͳ¿ÉÒÔÓÃjava»ò.netÀ´ÊµÏÖ¡£Í¨¹ýUML¿ÉÒÔ¿´µ½×ÜÌåµÄͼÏñ£¬¿ÉÒÔ¾ùºâµôÅäϵͳµÄ×ÊÔ´£¬Ê¹ÏµÍ³¸üÓÐЧÂÊ¡£ÒòΪϵͳµÄÉè¼ÆÊ×ÏÈÍê³É£¬ËùÒÔ¿ÉÒÔºÜÈÝÒ×·¢ÏÖ¿ÉÒÔ¸´ÓõĴúÂ룬´úÂëÄܹ»ºÜ ......
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