Java¿ª·¢ÕßÐè¼áÊØµÄÊ®´ó»ù±¾×¼Ôò¡¾×ª¡¿
Ò»¡¢Îª´úÂë¼Ó×¢ÊÍ¡£ËäȻÿ¸öÈ˶¼ÖªµÀÕâµã£¬µ«ÓÐʱȴ²»×Ô¾õÍüÁËÂÄÐУ¬½ñÌìÄã“ÍüÁË”¼Ó×¢ÊÍÁËÂð£¿ËäÈ»×¢ÊͶԳÌÐòµÄ¹¦ÄÜûʲô“¹±Ï×”£¬µ«¹ýÒ»¶Îʱ¼ä£¬±ÈÈç˵Á½ÐÇÆÚÖ®ºó»òÕ߸ü³¤£¬»Ø¹ýÍ·À´¿´¿´×Ô¼ºµÄ´úÂ룬˵²»¶¨ÒѾ¼Ç²»×¡ËüÊǸÉʲôµÄÁË¡£Èç¹ûÕâЩ´úÂëÊÇÄã¸öÈ˵ģ¬ÄÇ»¹ËãÊÇ×ßÔËÁË£¬²»ÐÒµÄÊÇ£¬µ±È»ÁË£¬´ó¶àÊýʱºò¶¼ÊDZðÈ˵IJ»ÐÒ£¬ºÜ¶àʱºò´ó¼Ò¶¼ÊÇÔÚΪ¹«Ë¾Ð´´úÂ룬д´úÂëµÄÈËÒ²ÐíÔçÒѾÀ뿪Á˹«Ë¾£¬µ«±ðÍüÁËÒ»¾ä¹Å»°£¬ÓÐÀ´ÓÐÍùÂΪËûÈË£¬Ò²ÎªÎÒÃÇ×Ô¼º£¬ÇëΪÄãµÄ´úÂë¼ÓÉÏ×¢ÊÍ¡£
¶þ¡¢²»ÒªÈÃÊÂÇ鸴ÔÓ»¯¡£³ÌÐòÔ±ÓÐʱºò×ÜÊǶԼòµ¥ÎÊÌâÏë³ö¸´ÔӵĽâ¾ö·½°¸£¬±ÈÈç˵£¬ÔÚÖ»ÓÐÎå¸öÓû§µÄ³ÌÐòÖÐÒýÈëEJB¡¢¶Ô³ÌÐòʵÏÖÁ˲¢²»ÐèÒªµÄ¿ò¼Ü£¨framework£©£¬Ö®ÀàµÄ»¹ÓÐÊôÐÔÎļþ¡¢ÃæÏò¶ÔÏó½â¾ö·½°¸¡¢¶àÏ̵߳ȵȡ£ÎªÊ²Ã´ÒªÕâÑù×öÄØ£¿Ò²ÐíÎÒÃDz¢²»ÖªµÀÊÇ·ñÕâÑù»á¸üºÃ£¬µ«ÕâÑù×öÒ²Ðí¿ÉÒÔѧµ½Ò»Ð©Ð¶«Î÷£¬»òÕßÈÃ×Ô¼º¸ü¸ÐÐËȤһЩ¡£Èç¹ûÊDz»ÖªµÀΪʲôÕâÑù×ö£¬½¨Òé¶àÇë½Ì¾Ñé·á¸»µÄ³ÌÐòÔ±£¬Èç¹ûÊÇΪÁ˸öÈ˵ÄÄ¿µÄ£¬Âé·³ÈÃ×Ô¼º¸üרҵһµã¡£
Èý¡¢Ê¼ÖÕÀμǗ—“ÉÙ¼´ÊǺã¨Less is more£©²¢²»×ÜÊǶԵĔ¡£´úÂëЧÂÊËäÈ»ºÜÖØÒª£¬µ«ÔÚÐí¶à½â¾ö·½°¸ÖУ¬±àд¸üÉٵĴúÂë²¢²»ÄܸÄÉÆÕâЩ´úÂëµÄЧÂÊ£¬Çë¿´ÏÂÃæÕâ¸ö¼òµ¥µÄÀý×Ó
ÌÆÉ½IT¼¼Êõhttp://www.tsp2c.cn/
Ïà¹ØÎĵµ£º
/**
* °ÑÖ¸¶¨µÄÄÚÈÝдµ½Ö¸¶¨Â·¾¶µÄÎı¾ÎļþÉÏ
*
* @param pathÖ¸¶¨Â·¾¶
* @param context ҪдµÄÄÚÈÝ
*/
public static void writeFile(String path, String context) {
// ´Ó¿ØÖÆÌ¨ÊäÈëÄÚÈÝдÈëÎļþ
try {
FileWriter fw = new FileWriter(path, true);
PrintWriter pw = new Print ......
JavaÖеÄ×Ö·û¼¯±àÂëÈëÃÅ
ASCII¼°Ïà¹Ø±ê×¼
¡¡¡¡µØÇòÈ˶¼ÖªµÀASCII¾ÍÊÇÃÀ¹ú±ê×¼ÐÅÏ¢½»»»ÂëµÄËõд£¬Ò²ÖªµÀASCII¹æ¶¨ÓÃ7λ¶þ½øÖÆÊý×ÖÀ´±íʾӢÎÄ×Ö·û£¬ASCII±»¶¨Îª¹ú¼Ê±ê×¼Ö®ºóµÄ ´úºÅΪISO-646.ÓÉÓÚASCIIÂëֻʹÓÃÁË7¸ö¶þ½øÖÆÎ»£¬Ò²¾ÍÊÇ˵һ¸ö×Ö½Ú¿ÉÒÔ±íʾµÄ256¸öÊý×ÖÖУ¬Ëü½öʹÓÃÁË0-127Õâ128¸öÂëλ£¬Ê£Ï嵀 ......
java·ºÐÍÖеÄsuper¹Ø¼ü×Ö²»Ì«³£Óã¬Ò²²»Ì«ºÃÀí½â£¬½ñÌìÓÖ´ÓÍ·¿´ÁË¿´javaµÄ·ºÐÍ»úÖÆ£¬×÷Ò»¼Ç¼¡£
ÉϽç:
ÉϽçÓÃextends¹Ø¼ü×ÖÉùÃ÷£¬±íʾ²ÎÊý»¯µÄÀàÐÍ¿ÉÄÜÊÇËùÖ¸¶¨µÄÀàÐÍ£¬»òÕßÊÇ´ËÀàÐ͵Ä×ÓÀà¡£ÈçÏÂÃæµÄ´úÂ룺
Java´úÂë
public void upperBound(List<? extends Date> list, Date& ......
JAVA³£ÓÃÀàµÄʹÓ÷½·¨
£±¡¢IntegerÀà
£²¡¢FloatÀà
£³¡¢DoubleÀà
£´¡¢CharacterÀà
£µ¡¢StringÀà
£¶¡¢StringTokenizerÀà
£·¡¢StringBufferÀà
£¸¡¢RandomÀà
1£®IntegerÀàµÄʹÓ÷½·¨
Interger£ºÕûÊýÀàÐÍ
£±¡¢ÊôÐÔ¡£
static int MAX_VALUE£º·µ»Ø×î´óµÄÕûÐÍÊý£»
static int MIN_VALUE£º·µ»Ø×îСµÄÕûÐÍÊý£»
static C ......
JavaÓïÑÔÒýÈëÁËJavaÐéÄâ»ú£¬¾ßÓÐ¿çÆ½Ì¨ÔËÐеŦÄÜ£¬Äܹ»ºÜºÃµØÊÊÓ¦¸÷ÖÖWebÓ¦Óá£Í¬Ê±£¬ÎªÁËÌá¸ßJavaÓïÑÔµÄÐÔÄܺͽ¡×³ÐÔ£¬»¹ÒýÈëÁËÈçÀ¬»ø»ØÊÕ»úÖÆµÈй¦ÄÜ£¬Í¨¹ýÕâЩ¸Ä½øÈÃJava¾ßÓÐÆä¶ÀÌØµÄ¹¤×÷ÔÀí¡£
1£®JavaÐéÄâ»ú
JavaÐéÄâ»ú£¨Java Virtual Machine£¬JVM£©ÊÇÈí¼þÄ£ÄâµÄ¼ÆËã»ú£¬Ëü¿ÉÒÔÔÚÈκδ¦ÀíÆ÷ÉÏ£¨ÎÞÂÛÊÇÔÚ¼ÆËã»úÖл ......