JAVA×î¶Ì·¾¶´úÂë
import java.util.LinkedList;
import java.util.List;
public class ShortestPaths {
private static String showPath[] = { "", "", "", "", "", "" };
// ·µ»ØÍ¼µÄ×î¶Ì·¾¶
public static int[] getShortPath(int path[][]) {
LinkedList<Integer> savePath = new LinkedList<Integer>();// ÓÃÓÚ±£´æÒÑÌí¼Ó½øÀ´µÄ½Úµã
int mark = 1;
int shortestPath[] = new int[path.length];
for (int i = 0; i < shortestPath.length; i++) {
shortestPath[i] = -1;
}
savePath.add(new Integer(0));
if (savePath.size() == 1) {
int num = savePath.getLast().intValue();
int minIndex = 0;
for (int j = 0; j < shortestPath.length; j++) {
shortestPath[j] = path[num][j];
Ïà¹ØÎĵµ£º
1. ÏÈдһ¸öSingletonµÄclass
package stone;
public class Singleton {
private static Singleton instance;
private Singleton() {}
public static Singleton getInstance(){
if(instance==null)
&n ......
ÒÆÎ»ÔËËã·û
°üÀ¨£º
“>> ÓÒÒÆ”£»“<< ×óÒÆ”£»“>>> ÎÞ·ûºÅÓÒÒÆ”
Àý×Ó£º
-5>>3=-1
1111 1111 1111 1111 1111 1111 1111 1011
1111 1111 1111 1111 1111 1111 1111 1111
Æä½á¹ûÓë Math.floor((double)- ......
LuceneÊÇÒ»¸ö»ùÓÚJavaµÄÈ«ÎÄË÷Òý¹¤¾ß°ü¡£
»ùÓÚJavaµÄÈ«ÎÄË÷ÒýÒýÇæLucene¼ò½é£º¹ØÓÚ×÷ÕߺÍLuceneµÄÀúÊ·
È«ÎļìË÷µÄʵÏÖ£ºLueneÈ«ÎÄË÷ÒýºÍÊý¾Ý¿âË÷ÒýµÄ±È½Ï
ÖÐÎÄÇзִʻúÖÆ¼ò½é£º»ùÓÚ´Ê¿âºÍ×Ô¶¯ÇзִÊËã·¨µÄ±È½Ï
¾ßÌåµÄ°²×°ºÍʹÓüò½é£ºÏµÍ³½á¹¹½éÉܺÍÑÝʾ
Hacking Lucene£º¼ò»¯µÄ²éѯ·ÖÎöÆ÷£¬É¾³ýµÄʵÏÖ£¬¶¨ÖƵÄÅÅÐò£ ......
JXL(Java Excel API)ÊÇÒ»¸öÓÃÀ´¶¯Ì¬¶ÁдExcelÎļþµÄ¿ªÔ´¿ò¼Ü£¬ÀûÓÃËü¿ÉÒÔÔÚÈκÎÖ§³ÖJavaµÄ²Ù×÷ϵͳÉ϶¯Ì¬¶ÁдExcelÎļþ¡£JXLµÄÖ÷Ò³ÊÇ£ºhttp://www.andykhan.com/jexcelapi/£¬¿ÉÒÔÔÚÕâÀïÏÂÔØµ½ËüµÄ×îеİ汾¡£
Äã¿ÉÒÔ·Ö±ðͨ¹ýÈçÏÂÃüÁî
java -jar jxl.jar -xml test.xls
java -jar jxl.jar -cvs test.xls
ÒÔxml ......
¹ØÓÚ Java Concurrency
×Ô´ÓJavaµ®Éú֮ʱ£¬Java ¾ÍÖ§³Ö²¢ÐеĸÅÄ±ÈÈçÏ̺߳ÍËø»úÖÆ¡£Õâ¸ö½Ì³Ì°ïÖú¿ª·¢¶àÏß³ÌJava³ÌÐòÔ±Äܹ»Àí½âºËÐĵÄJava²¢ÐÐÀíÄîÒÔ¼°ÈçºÎʹÓÃËûÃÇ¡£ ÄÚÈÝÉæ¼°µ½JavaÓïÑÔÖеÄỊ̈߳¬ ÖØÁ·¼¶ÒÔ¼°ÇáÁ¿¼¶Í¬²½»úÖÆ ÒÔ¼°JavaSE 5 ÖеÄËø£¬Ô×ÓÁ¿ ²¢ÐÐÈÝÆ÷£¬Ï̵߳÷¶È ÒÔ¼°Ïß³ÌÖ´ÐÐÕß ......