javaÖлñµÃÊý×éÖÐ×îСµÄÊý
public static void main(String[] args)
{
Integer[] arrInt = new Integer[6];
arrInt[0] = 123;
arrInt[1] = 3453;
arrInt[2] = 345;
arrInt[3] = 23;
arrInt[4] = 11;
arrInt[5] = 345;
int temp = 0;
for (int i = 0; i < arrInt.length; i++)
{
if(i == 0)
{
temp = arrInt[i];
}
else
{
temp = temp < arrInt[i]?temp:arrInt[i];
}
}
System.out.println(temp);
}
Ïà¹ØÎĵµ£º
System.out.println(2|0); //0010 0000 =>0010 = 2
System.out.println(2|1); //0010 0001 =>0011 = 3
System.out.println(3|2); //0011 0010 =>0011 = 3
System.out.println(3&2); //0011 0010 =>0010 = 2
/*
ÔÚjavaÖÐ0´ú±í¼Ù, 1´ú±íÕæ
00011|0010 ´ÓÓÒµ½×ó±È½Ï0|1 = 1, 1|0 = ......
1¡¢Oracle8/8i/9iÊý¾Ý¿â£¨thinģʽ£©
Class.forName("oracle.jdbc.driver.OracleDriver").newInstance();
String url="jdbc:oracle:thin:@localhost:1521:orcl"; //orclΪÊý¾Ý¿âµÄSID
String user="test";
String password="test";
Connection conn= DriverManager.getC ......
Java²»ÊÇÍêÃÀµÄ£¬JavaµÄ²»×ã³ýÁËÌåÏÖÔÚÔËÐÐËÙ¶ÈÉÏÒª±È´«Í³µÄC++ÂýÐí¶àÖ®Í⣬JavaÎÞ·¨Ö±½Ó·ÃÎʵ½²Ù×÷ϵͳµ×²ã£¨ÈçϵͳӲ¼þµÈ)£¬Îª´ËJavaʹÓÃnative·½·¨À´À©Õ¹Java³ÌÐòµÄ¹¦ÄÜ¡£
¡¡¡¡¿ÉÒÔ½«native·½·¨±È×÷Java³ÌÐòͬ£Ã³ÌÐòµÄ½Ó¿Ú£¬ÆäʵÏÖ²½Ö裺
¡¡¡¡£±¡¢ÔÚJavaÖÐÉùÃ÷native()·½·¨£¬È»ºó±àÒ룻
¡¡¡¡£²¡¢ÓÃjavah²úÉúÒ»¸ö.hÎ ......
ÄÇÌì°á¼ÒµÄʱºò²Å·¢ÏÖÓкܶàµÄ¶«Î÷£¬»¹¼ÇµÃÎÒ¸ÕÀ´µ½±±¾©µÄʱºòÕÒÁË·¿×Ó¾ÍһֱסÔÚÕâÀï¡£¿ªÊ¼Ã¦Âµ×ÅÕÒ¹¤×÷¡£ÕÒµ½Õâ·Ý¹¤×÷µÄʱºò±¾À´ÊÇÏë»»×ÅÄØ£¬Ã¿Ìì¶¼ÊÇ×öһЩÎÄ×Ö¼ÈëµÄ¹¤×÷·¢³îµÄÎÒ£¬²»¹ýÔÚÕâÀïÒ²ÊÇÓз¢Õ¹µÄ»ú»á£¬ÓеÄʱºòÕûÀíһЩ¹ØÓÚÊý¾Ý·½ÃæµÄ£¬ÈÃÐÂÀ´µÄ°ÑÊý¾Ý¼Èëµ½µçÄÔÉÏ£¬ÎÒÃÇÒ²ÊÇ×öÍâ°üµÄ¡£µ«Ê ......
һЩjavaÀàÖÐΪʲôÐèÒªÖØÔØ serialVersionUID ÊôÐÔ¡£
ÔÚJavaÖУ¬Èí¼þµÄ¼æÈÝÐÔÊÇÒ»¸ö´óÎÊÌ⣬ÓÈÆäÔÚʹÓõ½¶ÔÏó´®ÐÐÐÔµÄʱºò£¬ÄÇôÔÚijһ¸ö¶ÔÏóÒѾ±»´®Ðл¯ÁË£¬¿ÉÊÇÕâ¸ö¶ÔÏóÓÖ±»Ð޸ĺóÖØÐ²¿ÊðÁË£¬ÄÇôÔÚÕâÖÖÇé¿öÏ£¬ ÓÃÀÏÈí¼þÀ´¶ÁÈ¡ÐÂÎļþ¸ñʽËäÈ»²»ÊÇʲôÄÑÊ£¬µ«ÊÇÓпÉÄܶªÊ§Ò»Ð©ÐÅÏ¢¡£
serialVersionUID À´½â¾öÕâЩΠ......