Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

Java СÀý×Ó£ºÐÐÁÐʽºÍ¼¦ÍÃͬÁýÎÊÌâ

¼¦ÍÃͬÁýÎÊÌâ¾ÍÊǶþÔªÒ»´Î·½³Ì×飬¸ßµÈÊýѧÀïÃæÓÃÐÐÁÐʽÀ´½â´Ë·½³Ì¡£¾ßÌå¹ý³Ì¿É Google “ÐÐÁÐʽ ¶þÔªÒ»´Î·½³Ì×é
”¡£¶ÔÓÚ¼¦ÍÃͬÁýÎÊÌ⻹Ҫ¼ÓÉÏÒ»¸öÏÞÖÆ£º·½³ÌµÄ½â±ØÐëÊÇÕýÕûÊý¡£
ÏÂÃæÊÇ´úÂëʾÀý£º
/**
* ¼¦ÍÃͬÁýÎÊÌâ¡£½â·¨Çë Google£º“ÐÐÁÐʽ ¶þÔªÒ»´Î·½³Ì×é”
*
* @author yiding.he
*/
public class BinaryLinearEquationGroup {

// ³ÌÐòÈë¿Ú
public static void main(String[] args) {
int heads = 10;
int legs = 36;

int[] result = calculate(new int[][]{
{1, 1, heads}, // ¼¦ºÍÍÃ×Ó¸÷ÓÐÒ»¸öÍ·£¬¹² 10 ¸ö£»
{2, 4, legs} // ¼¦ÓÐÁ½Ö»½Å£¬ÍÃ×ÓËÄÖ»½Å£¬¹² 36 Ö»¡£
});

if (result != null && result.length > 0) {
System.out.println("½á¹û£º¼¦ÓÐ " + result[0] + " Ö»£¬ÍÃ×ÓÓÐ " + result[1] + " Ö»¡£");
} else if (result == null) {
System.out.println("¸ÃÌâÎ޽⡣");
} else if (result.length == 0) {
System.out.println("¸ÃÌâÓÐÎÞÇî½â¡£");
}
}

/**
* ½â¶þÔªÒ»´Î·½³Ì×飬·½³Ì×éµÄ½â±ØÐëÊÇÕýÕûÊý£¬·ñÔòÊÓΪÎ޽⡣
*
* @param params ·½³Ì×é²ÎÊý
*
* @return ·µ»Ø null ±íʾÎ޽⣬·µ»Ø¿ÕÊý×é±íʾÎÞÇî½â£¬·ñÔò±íʾÕý½â¡£
*/
private static int[] calculate(int[][] params) {
Matrix2 delta = new Matrix2(new int[][]{
{params[0][0], params[0][1]},
{params[1][0], params[1][1]}
});

Matrix2 delta_x = new Matrix2(new int[][]{
{params[0][2], params[0][1]},
{params[1][2], params[1][1]}
});

Matrix2 delta_y = new Matrix2(new int[][]{
{params[0][0], params[0][2]},
{params[1][0], params[1][2]}
});

// Åж¨ÎÞÇî½â»òÎÞ½âµÄÌõ¼þ
if (delta.isZero() && delta_x.isZero() && delta_y.isZero()) {
return new int[]{};
} else if (delta.isZero()


Ïà¹ØÎĵµ£º

java(Web)ÖÐÏà¶Ô·¾¶£¬¾ø¶Ô·¾¶ÎÊÌâ×ܽá

 javaÖÐÏà¶Ô·¾¶£¬¾ø¶Ô·¾¶ÎÊÌâ×ܽá
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡————bohemia(³Ç)
ǰÑÔ£º
 Ç°Ò»¶Îʱ¼ä£¬ÓÉÓÚÔÚ´¦ÀíWebÓ¦ÓÃϵÄÎļþ´´½¨ÓëÒÆ¶¯µÈ£¬Òò´ËÉæ¼°µ½ºÜ¶à¹ØÓÚjava
ÖÐÏà¶Ô·¾¶£¬¾ø¶Ô·¾¶µÈÎÊÌ⡣ͬʱ£¬¶ÔÓÚWebÓ¦ÓÃÖеÄÏà¶Ô·¾¶£¬¾ø¶Ô·¾¶£¬ÒÔ¼°Java.io.File
ÀàѧϰÁËһϡ ......

java¶ÓÁÐ

 ¶ÓÁÐÊÇÉè¼Æ³ÌÐòÖг£ÓõÄÒ»ÖÖÊý¾Ý½á¹¹¡£ËüÀàËÆÈÕ³£Éú»îÖеÄÅŶÓÏÖÏ󣬲ÉÓÃÒ»ÖÖ±»³ÆÎª
“ÏȽøÏȳö”(FIFO)µÄ´æ´¢½á¹¹¡£Êý¾ÝÔªËØÖ»ÄÜ´Ó¶Óβ½øÈ룬´Ó¶ÓÊ×È¡³ö¡£ÔÚ¶ÓÁÐÖУ¬
Êý¾ÝÔªËØ¿ÉÒÔÈÎÒâÔö¼õ£¬µ«Êý¾ÝÔªËØµÄ´ÎÐò²»»á¸Ä±ä¡£Ã¿µ±ÓÐÊý¾ÝÔªËØ´Ó¶ÓÁÐÖб»È¡³ö£¬
ºóÃæµÄÊý¾ÝÔªËØÒÀ´ÎÏòÇ°ÒÆ¶¯Ò»Î»¡£ËùÒÔ£¬ÈκÎʱºò ......

java±Ê¼Ç

 javaÖпÆÑ§¼ÆÊý·¨µÄ½â³ý
Êý¾Ý¹ý´ó»ò½Ó½üÓÚ0£¬java»á×Ô¶¯Ê¹ÓÿÆÑ§¼ÆÊý·¨ÏÔʾ
ҪʹµÃÊý¾ÝÒÔÕý³£µÄСÊýÏÔʾ¿ÉʹÓÃDecimalFormatÀࣺ
DecimalFormat format = new DecimalFormat("0.00000");
String value = format.format(doubleInstance);
......

¹ØÓÚjavaµÄǰ;

     ÏëÏë×Ô¼ºÃ÷Äê¾ÍÒª±ÏÒµÁË£¬µ«×Ô¼ºÐÄÀï×ÜÊǺܵ£ÐÄ£¬Ò²²»ÖªµÀ×Ô¼ºÑ§Õâ¸öµ½µ×ÊǶԻ¹ÊÇ´í£¡×ÜÊÇÌý˵ÏÖÔÚ×ö³ÌÐòµÄ¹¤×÷²»ºÃÕÒ£¬¹¤×ʺܵͣ¬ÏÖÔÚÓкöàͬѧ¶¼Ã»Ñ§ÁË£¬Ò²²»ÖªµÀ×Ô¼ºÊDz»ÊÇ»¹Òª¼á³ÖÏÂÈ¥£¬ÊDz»ÊÇ»¹ÒªjiavaÕâÌõ·¡£¸Ð¾õºÃÃÔã....... ......

Oracle·ÖÒ³´æ´¢¹ý³Ì¼°javaµÄ¾ßÌåµ÷Ó÷½·¨

--°ü
create or replace package pkg_query as
  type cur_query is ref cursor;
end pkg_query;
--¹ý³Ì
CREATE OR REPLACE  PROCEDURE "PRC_QUERY" (p_tableName  
        in  varchar2,   --±íÃû
      & ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ