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

JAVAÅÅÐòËã·¨²âÊÔÀà

import java.util.Random;
 
/**
 * ÅÅÐò²âÊÔÀà
 *
 * ÅÅÐòËã·¨µÄ·ÖÀàÈçÏ£º
 * 1.²åÈëÅÅÐò£¨Ö±½Ó²åÈëÅÅÐò¡¢ÕÛ°ë²åÈëÅÅÐò¡¢Ï£¶ûÅÅÐò£©£»
 * 2.½»»»ÅÅÐò£¨Ã°ÅÝÅÝÅÅÐò¡¢¿ìËÙÅÅÐò£©£»
 * 3.Ñ¡ÔñÅÅÐò£¨Ö±½ÓÑ¡ÔñÅÅÐò¡¢¶ÑÅÅÐò£©£»
 * 4.¹é²¢ÅÅÐò£»
 * 5.»ùÊýÅÅÐò¡£
 *
 * ¹ØÓÚÅÅÐò·½·¨µÄÑ¡Ôñ£º
 * (1)Èôn½ÏС(Èçn≤50)£¬¿É²ÉÓÃÖ±½Ó²åÈë»òÖ±½ÓÑ¡ÔñÅÅÐò¡£
 * ¡¡µ±¼Ç¼¹æÄ£½ÏСʱ£¬Ö±½Ó²åÈëÅÅÐò½ÏºÃ£»·ñÔòÒòΪֱ½ÓÑ¡ÔñÒÆ¶¯µÄ¼Ç¼ÊýÉÙÓÚÖ±½Ó²åÈË£¬Ó¦Ñ¡Ö±½ÓÑ¡ÔñÅÅÐòΪÒË¡£
 * (2)ÈôÎļþ³õʼ״̬»ù±¾ÓÐÐò(Ö¸ÕýÐò)£¬ÔòӦѡÓÃÖ±½Ó²åÈË¡¢Ã°ÅÝ»òËæ»úµÄ¿ìËÙÅÅÐòΪÒË£»
 * (3)Èôn½Ï´ó£¬ÔòÓ¦²ÉÓÃʱ¼ä¸´ÔÓ¶ÈΪO(nlgn)µÄÅÅÐò·½·¨£º¿ìËÙÅÅÐò¡¢¶ÑÅÅÐò»ò¹é²¢ÅÅÐò¡£
 *
 */
public class SortTest {
 
       /**
        * ³õʼ»¯²âÊÔÊý×éµÄ·½·¨
        * @return Ò»¸ö³õʼ»¯ºÃµÄÊý×é
        */
       public int[] createArray() {
              Random random = new Random();
              int[] array = new int[10];
              for (int i = 0; i < 10; i++) {
                     array[i] = random.nextInt(100) - random.nextInt(100);//Éú³ÉÁ½¸öËæ»úÊýÏà¼õ£¬±£Ö¤Éú³ÉµÄÊýÖÐÓиºÊý
              }
              System.out.println("==========ԭʼÐòÁÐ==========");
              printArray(array);
              return array;


Ïà¹ØÎĵµ£º

javaÈëÃÅ

 Javaѧϰ´ÓÈëÃŵ½¾«Í¨ 
Ò»¡¢ JDK (Java Development Kit) 
JDKÊÇÕû¸öJavaµÄºËÐÄ£¬°üÀ¨ÁËJavaÔËÐл·¾³£¨Java Runtime Envirnment£©£¬Ò»¶ÑJava¹¤¾ßºÍJava»ù´¡µÄÀà¿â(rt.jar)¡£²»ÂÛʲôJavaÓ¦Ó÷þÎñÆ÷ʵÖʶ¼ÊÇÄÚÖÃÁËij¸ö°æ±¾µÄJDK¡£Òò´ËÕÆÎÕJDKÊÇѧºÃJavaµÄµÚÒ»²½¡£×îÖ÷Á÷µÄJ ......

Java NIO APIÏê½â

 
Java NIO APIÏê½â
ÔÚJDK
1.4ÒÔǰ£¬JavaµÄIO²Ù×÷¼¯ÖÐÔÚjava.ioÕâ¸ö°üÖУ¬ÊÇ»ùÓÚÁ÷µÄ×èÈû£¨blocking£©API¡£¶ÔÓÚ´ó¶àÊýÓ¦ÓÃÀ´Ëµ£¬ÕâÑùµÄAPIʹÓúܷ½
±ã£¬È»¶ø£¬Ò»Ð©¶ÔÐÔÄÜÒªÇó½Ï¸ßµÄÓ¦Óã¬ÓÈÆäÊÇ·þÎñ¶ËÓ¦Óã¬ÍùÍùÐèÒªÒ»¸ö¸üΪÓÐЧµÄ·½Ê½À´´¦ÀíIO¡£´ÓJDK 1.4Æð£¬NIO
API×÷Ϊһ¸ö»ùÓÚ»º³åÇø£¬²¢ÄÜÌṩ·Ç×èÈû(non-blo ......

ʵ¼ùJavaÖУ¬Jniµ÷ÓÃDLLÎļþ±¾µØ·½·¨

JavaÖУ¬Jniµ÷ÓÃDLLÎļþÊÔÑé
 
ËùÓÐÎļþ¾ùÔÚE:\·¾¶Ï¡£
°²×°jdk1.6.0_07
°²×°ÁËVC++6.0
µÚÒ»²½£¬
HelloWorld.java
µÚ¶þ²½£¬
E:\>javac HelloWorld.java
µÃµ½
HelloWorld.class
µÚÈý²½£¬
E:\>javah HelloWorld
µÃµ½
HelloWorld.h
µÚËIJ½£¬
±àдһ¸öCÎļþ
HelloWorldImp.c
µÚÎå²½£¬
ʹÓÃcl±àÒ ......

javaÄÚ´æÐ¹Â¶

ºÜ¶àÈËÔÚ̸ÂÛÄÚ´æÐ¹Â¶ÎÊÌ⣬µ±È»¶ÔÓÚc/c++À´Ëµ£¬Õâ¸öÓ¦¸ÃÊÇÀϵôÑÀµÄÎÊÌ⣬µ«ÊǺܶàJavaÈËÔ±Ò²Ô½À´Ô½¶àµÃÌÖÂÛÕâ¸öÎÊÌ⣬ÎÒÕâÀïд¸öС½á£¬Ï£Íû¶Ô´ó¼ÒÓÐÒ»¶¨µÄ²Î¿¼¼ÛÖµ¡£
¡¡¡¡ÄÚ´æÐ¹Â©µÄ¿®Äî
¡¡¡¡1.c/c++ÊdzÌÐòÔ±×Ô¼º¹ÜÀíÄڴ棬JavaÄÚ´æÊÇÓÉGC×Ô¶¯»ØÊյġ£
¡¡¡¡ÎÒËäÈ»²»ÊǺÜÊìϤC++£¬²»¹ýÕâ¸öÓ¦¸ÃûÓз¸³£Ê¶ÐÔ´íÎó°É¡£
¡¡¡ ......

java¶ÔmysqlÊý¾Ý¿âµÄµ¼Èëµ¼³ö

//µ¼³ö
String mysql="mysqldump -uroot -proot  --opt databasename > d:/test.sql";    
java.lang.Runtime.getRuntime().exec("cmd /c "+mysql);   
//µ¼Èë
String mysql="mysqladmin -uroot -proot create databasename";    
java.lang.Runt ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ