JavaÄÚ²¿ÀࣨInner Class£©Ïê½â
ÖØÐÂÀ´ÈÏʶһÏÂÄÚ²¿ÀàµÄÇø±ð
1
Static member class£¨¾²Ì¬³ÉÔ±Àࣩ
ÀàÉùÃ÷Öаüº¬“static”¹Ø¼ü×ÖµÄÄÚ²¿Àà¡£ÈçÒÔÏÂʾÀý´úÂ룬
Inner1/Inner2/Inner3/Inner4¾ÍÊÇOuterµÄËĸö¾²Ì¬³ÉÔ±Àà¡£¾²Ì¬³ÉÔ±ÀàµÄʹÓ÷½Ê½ÓëÒ»°ã¶¥²ãÀàµÄʹÓ÷½Ê½»ù±¾Ïàͬ¡£
public
class
Outer{
//
just like static method, static member class has public/private/default access privilege levels
//
access privilege level: public
public
static
class
Inner1 {
public
Inner1() {
//
Static member inner class can access static method of outer class
staticMethod();
//
Compile error: static member inner class can not access instance method of outer class
//
instanceMethod();
}
}
//
access privilege level: default
static
class
Inner2 {
}
//
access privilege level: private
private
static
class
Inner3 {
Ïà¹ØÎĵµ£º
Ãô½Ý¿ª·¢µÄÀíÄîÒѾÁ÷ÐÐÁ˺ܳ¤µÄʱ¼ä£¬ÔÚÃô½Ý¿ª·¢ÖеĿª·¢µü´ú½×¶ÎÖУ¬ÎÒÃÇ¿ÉÒÔͨ¹ýÎå¸ö²½Ö裬À´ÓÐЧµÄÌá¸ßÕû¸öÏîÄ¿µÄ´úÂëÖÊÁ¿¡£
JavaÏîÄ¿¿ª·¢¹ý³ÌÖУ¬ÓÉÓÚ¿ª·¢ÈËÔ±µÄ¾Ñé¡¢Java´úÂë±àдϰ¹ß£¬ÒÔ¼°È±·¦Í³Ò»µÄ±ê×¼ºÍ¹ÜÀíÁ÷³Ì£¬ÍùÍùµ¼ÖÂÕû¸öÏîÄ¿µÄ´úÂëÖÊÁ¿½Ï²î£¬ÄÑÓÚά
»¤£¬ÐèÒª½Ï´óµÄ²âÊÔͶÈëºÍÖÜÆÚµÈÎÊÌâ¡£ÕâЩÎÊÌâÔÚÒ»¸ ......
ÕâÊÇÎÒµÚÒ»´Îд¼¼Êõ²©ÎÄ£¬Ï²»¶´ó¼ÒÌá³ö±¦¹óÒâ¼û¡£ÕâÆªÎÄÕÂÖ÷ÒªÏë½²Èý¸öÎÊÌâ¡£
µÚÒ»£ºHibernateºÍJDBCµÄÇø±ð¡£
×÷Ϊjava³ÌÐòÔ±£¬ÎÒ¾õµÃŪÇå³þHibernateÓëJDBCµÄÇø±ð£¬²»½ö¶Ô´òºÃÔúʵµÄ»ù±¾¹¦±È½ÏÖØÒª£¬¾ÍÊÇÒÔºóµÄѧϰ£¬¿ª·¢Ò²¾ßÓÐÏ൱µÄ½è¼øÒâÒå¡£¿ÉϧµÄÊÇÏÖÔÚÓкÃЩ³ÌÐòÔ±²»Ð¼ÓÚѧ ......
Ò»¡¢IOÁ÷µÄÈýÖÖ·ÖÀ෽ʽ
1.°´Á÷µÄ·½Ïò·ÖΪ£ºÊäÈëÁ÷ºÍÊä³öÁ÷
2.°´Á÷µÄÊý¾Ýµ¥Î»²»Í¬·ÖΪ£º×Ö½ÚÁ÷ºÍ×Ö·ûÁ÷
&n ......
¹ØÓÚJavaÕ»Óë¶ÑµÄ˼¿¼
1. Õ»(stack)Óë¶Ñ(heap)¶¼ÊÇJavaÓÃÀ´ÔÚRamÖдæ·ÅÊý¾ÝµÄµØ·½¡£ÓëC++²»Í¬£¬Java×Ô¶¯¹ÜÀíÕ»ºÍ¶Ñ£¬³ÌÐòÔ±²»ÄÜÖ±½ÓµØÉèÖÃÕ»»ò¶Ñ¡£
2. Õ»µÄÓÅÊÆÊÇ£¬´æÈ¡ËٶȱȶÑÒª¿ì£¬½ö´ÎÓÚÖ±½ÓλÓÚCPUÖеļĴæÆ÷¡£µ«È±µãÊÇ£¬´æÔÚÕ»ÖеÄÊý¾Ý´óСÓëÉú´æÆÚ±ØÐëÊÇÈ·¶¨µÄ£¬È±·¦Áé»îÐÔ¡£ÁíÍ⣬ջÊý¾Ý¿ÉÒÔ¹²Ïí£¬Ïê¼ûµÚ3µã¡£¶ ......
ÖÚËùÖÜÖª£¬javaµÄÖÐÎÄÎÊÌâÒ»Ö±ÊÇÒ»¸öÀÏ´óÄѵÄÎÊÌ⣬Õâ¸öÏÖÏó¿ÉÒÔÔÚcsdnÖÐjavaÂÛ̳Àï¹ØÓÚÖÐÎÄÂÒÂëµÄÌáÎÊÂʾͿÉÒÔÁ˽⵽£¬ÉõÖÁÈí¼þ¾ÞÈËIBMרÃÅ¿ª±ÙÁËÒ»¸ö½â¾öÖÐÎÄÎÊÌâµÄ×¨Çø£¬×÷Ϊһ¸öË×ÈË£¨Ò»Ö±ÃÎÏëÏ£ÍûÏë½ð¿ÀûÄÇÑù³ÉΪһ¸ö“Ã°ÅÆÌìÉñ”£¬Ö»ÊÇһֱûÓгɹ¦£¬Ò²ÐíÊÇÒòΪÉϵ۲»ÕÕ¹ËÖйú°É£©£¬ÎÒҲΪͬÒâµÄÎÊÌâÀ§ÈÅ£ ......