1¡¢J2EEÊÇʲô£¿
2¡¢½éÉÜJAVAÖеÄCollection FrameWork(°üÀ¨ÈçºÎд×Ô¼ºµÄÊý¾Ý½á¹¹)
ÈçCOLLECTIONÖÐÒÅÁôÀà(HASHTABLE¡¢VECTOR)ºÍÏÖÓÐÀàµÄÇø±ð£¿(ͬ²½)
3¡¢JavaÖÐÒì³£´¦Àí»úÖÆ£¬Ê¼þ»úÖÆ£¿
4¡¢EJBÓëJAVA BEANµÄÇø±ð£¿
EJBÓëJAVA BEANÊÇSUNµÄ²»Í¬×é¼þ¹æ·¶£¬EJBÊÇÔÚÈÝÆ÷ÖÐÔËÐеģ¬·Ö²½Ê½µÄ£¬¶øJAVA BEANÖ÷ÒªÊÇÒ»ÖÖ¿ÉÀûÓõÄ×é¼þ£¬Ö÷ÒªÔÚ¿Í»§¶ËUI±íÏÖÉÏ¡£
5¡¢JAVAÖеĶàÐÎÓë¼Ì³Ð£¿
6¡¢³éÏóÀàÓë½Ó¿Ú£¿
½Ó¿ÚµÄºÃ´¦Êǽ«ÊµÏÖÓë±íÏÖ·ÖÀë¡£
³éÏóÀàÓë½Ó¿Ú¶¼ÓÃÓÚ³éÏ󣬵«ÊdzéÏóÀà(JAVAÖÐ)¿ÉÒÔÓÐ×Ô¼ºµÄ²¿·ÖʵÏÖ£¬¶ø½Ó¿ÚÔòÍêÈ«ÊÇÒ»¸ö±êʶ(ͬʱÓжàÖؼ̳еŦÄÜ)¡£
7¡¢Java µÄͨÐűà³Ì£¬±à³ÌÌâ(»òÎÊ´ð)£¬ÓÃJAVA SOCKET±à³Ì£¬¶Á·þÎñÆ÷¼¸¸ö×Ö·û£¬ÔÙдÈë±¾µØÏÔʾ£¿
8¡¢JAVA SERVLET APIÖÐforward() Óëredirect()µÄÇø±ð£¿
forward()·½·¨¿ÉÒÔʹÓÃÔÀ´µÄ¶ÔÏ󣬶øÇÒËٶȽϿ졣
9¡¢JAVA½âÎöXMLµÄ·½Ê½£¿
SAX¡¢DOM
10¡¢ÓÃJAVAʵÏÖÊý¾Ý¿â²éѯ£¬ÕâÊÇÒ»µÀ±à³ÌÌâ¡£
11¡¢ÓÃJAVAʵÏÖÒ»ÖÖÅÅÐò £¬±È½Ï£¬JAVAÀàʵÏÖÐòÁл¯µÄ·½·¨(¶þÖÖ)£¿
ÈçÔÚCOLLECTION¿ò¼ÜÖУ¬ÊµÏֱȽÏҪʵÏÖʲôÑùµÄ½Ó¿Ú¡£
12¡¢JSPÖж¯Ì¬INCLUDEÓ뾲̬INCLUDEµÄÇø±ð£¿
ÀÏÒ»Ì×£¬¶¯Ì¬¿ÉÒÔ´ø²ÎÊý£¬¾²Ì¬Ï൱ÓÚÒ»¶Î¾²Ì¬HTMLÎļþ¡£
13¡¢Ó¦Ó÷þÎñÆ÷ÓëWEB SERVERµÄÇø±ð£¿
14¡¢Éè¼ÆģʽÓëUML·½Ãæ¡£
È繤³§Ä£Ê½£¬½â¾ö¶àÊý¾Ý¿âÖ§³ÖÎÊÌâ¡£
15¡¢±à³Ì£º±àдһ¸ö½ØÈ¡×Ö·û´®µÄº¯Êý£¬ÊäÈëΪһ¸ö×Ö·û´®ºÍ×Ö½ÚÊý£¬Êä³öΪ°´×Ö½Ú½ØÈ¡µÄ×Ö·û´®¡£
µ«ÊÇÒª±£Ö¤ºº×Ö²»±»½Ø°ë¸ö£¬Èç¡°ÎÒABC¡±4£¬Ó¦¸Ã½ØΪ¡°ÎÒAB¡±£¬ÊäÈë¡°ÎÒABCººDEF¡±£¬6£¬Ó¦¸ÃÊä³öΪ¡°ÎÒABC¡±¶ø²»ÊÇ¡°ÎÒABC+ººµÄ°ë¸ö¡±¡£
16¡¢ÔÚORACLE´óÊý¾ÝÁ¿ÏµķÖÒ³½â¾ö·½·¨¡£ Ò»°ãÓýØÈ¡ID·½·¨£¬»¹ÓÐÊÇÈý²ãǶÌ×·½·¨¡£
17¡¢WEB SERVICEÃû´Ê½âÊÍ¡£JSWDL¿ª·¢°üµÄ½éÉÜ¡£JAXP¡¢JAXMµÄ½âÊÍ¡£SOAP¡¢UDDI½âÊÍ¡£
18¡¢BSÓëCSµÄÁªÏµÓëÇø±ð¡£
19¡¢LINUXÏÂỊ̈߳¬GDIÀàµÄ½âÊÍ¡£
20¡¢JAVA¶àÏ̱߳à³Ì¡£
ÓÃJAVAдһ¸ö¶àÏ̳߳ÌÐò£¬ÈçдËĸöỊ̈߳¬¶þ¸ö¼Ó1£¬¶þ¸ö¶ÔÒ»¸ö±äÁ¿¼õÒ»£¬Êä³ö¡£
21¡£JAVAµÄ»ù±¾¹¦£º STRINGÓëSTRINGBUFFERµÄÇø±ð¡£
22¡£STRUTSµÄÓ¦ÓÃ(ÈçSTRUTS¼Ü¹¹)
23£¬Collection ºÍ CollectionsµÄÇø±ð¡£
24£¬Ê²Ã´Ê±ºòÓÃassert¡£
25£¬GCÊÇʲô ΪʲôҪÓÐGC
26£¬String s = new String(¡°xyz¡±);´´½¨Á˼¸¸öString Object
27£¬Math.round(11.5)µÈ춶àÉÙ Math.round(-11.5)µÈ춶àÉÙ
28£¬short s1 = 1; s1 = s1 + 1;ÓÐʲô´í short s1 = 1; s1 += 1;ÓÐʲô´í
29£¬sleep() ºÍ wait() ÓÐʲôÇø±ð
30£¬JavaÓÐûÓÐgoto
31£¬Êý×éÓÐûÓÐlength()Õâ¸ö·½·¨ StringÓÐûÓÐlength()Õâ¸ö·½·¨
32£¬OverloadºÍOverrideµÄÇø±ð¡£OverloadedµÄ·½·¨ÊÇ·ñ¿ÉÒԸı䷵»ØÖµµÄÀàÐÍ
33£¬SetÀïµÄÔªËØÊDz»ÄÜÖظ´µÄ£¬ÄÇôÓÃʲô·½·¨À´Çø·ÖÖظ´Óë·ñÄØ ÊÇÓÃ==»¹ÊÇequals() ËüÃÇÓкÎÇø±ð
34£¬¸øÎÒÒ»¸öÄã×î³£¼ûµ½µÄruntime exception¡£
35£¬errorºÍexceptionÓÐʲôÇø±ð
36£¬List, Set, MapÊÇ·ñ¼Ì³Ð×ÔCollection½Ó¿Ú
37£¬abstract classºÍinterfaceÓÐʲôÇø±ð
38£¬abstractµÄmethodÊÇ·ñ¿ÉͬʱÊÇstatic,ÊÇ·ñ¿ÉͬʱÊÇnative£¬ÊÇ·ñ¿ÉͬʱÊÇsynchronized
39£¬½Ó¿ÚÊÇ·ñ¿É¼Ì³Ð½Ó¿Ú ³éÏóÀàÊÇ·ñ¿ÉʵÏÖ(implements)½Ó¿Ú ³éÏóÀàÊÇ·ñ¿É¼Ì³ÐʵÌåÀà(concrete class)
40£¬Æô¶¯Ò»¸öÏß³ÌÊÇÓÃrun()»¹ÊÇstart()
41£¬¹¹ÔìÆ÷ConstructorÊÇ·ñ¿É±»override
42£¬ÊÇ·ñ¿ÉÒԼ̳ÐStringÀà
43£¬µ±Ò»¸öÏ߳̽øÈëÒ»¸ö¶ÔÏóµÄÒ»¸ösynchronized·½·¨ºó£¬ÆäËüÏß³ÌÊÇ·ñ¿É½øÈë´Ë¶ÔÏóµÄÆäËü·½·¨
44£¬try {}ÀïÓÐÒ»¸öreturnÓï¾ä£¬ÄÇô½ô¸úÔÚÕâ¸ötryºóµÄfinally {}ÀïµÄcode»á²»»á±»Ö´ÐУ¬Ê²Ã´Ê±ºò±»Ö´ÐУ¬ÔÚreturnÇ°»¹ÊǺó
45£¬±à³ÌÌâ: ÓÃ×îÓÐЧÂʵķ½·¨Ëã³ö2³ËÒÔ8µÈ춼¸
46£¬Á½¸ö¶ÔÏóÖµÏàͬ(x.equals(y) == true)£¬µ«È´¿ÉÓв»Í¬µÄhash code£¬Õâ¾ä»°¶Ô²»¶Ô
47£¬µ±Ò»¸ö¶ÔÏó±»µ±×÷²ÎÊý´«µÝµ½Ò»¸ö·½·¨ºó£¬´Ë·½·¨¿É¸Ä±äÕâ¸ö¶ÔÏóµÄÊôÐÔ£¬²¢¿É·µ»Ø±ä»¯ºóµÄ½á¹û£¬ÄÇôÕâÀïµ½µ×ÊÇÖµ´«µÝ»¹ÊÇÒýÓô«µÝ
48£¬swtichÊÇ·ñÄÜ×÷ÓÃÔÚbyteÉÏ£¬ÊÇ·ñÄÜ×÷ÓÃÔÚlongÉÏ£¬ÊÇ·ñÄÜ×÷ÓÃÔÚStringÉÏ
49£¬±à³ÌÌâ: дһ¸öSingleton³öÀ´¡£
50£¬JAVA
MVC±íʾʲôÒâ˼£¿
JAVA BeanµÄÓÃ;£¿²¢ÔÚʲôÇé¿öÏÂÓÃEJBʲôÇé¿öϲ»Óã¿
51£®J2EEÊÇʲô£¿°üº¬ÁËÄÄЩ¼¼Êõ£¿
52£®EJBÓëJAVA BEANµÄÇø±ð£¿
53£®ÃæÏò¶ÔÏóµÄÌØÕ÷ÓÐÄÄЩ·½Ãæ
54¼òÊö³éÏóÀàÓë½Ó¿ÚµÄÇø±ð
55£®Ëµ³öһЩ³£ÓõÄÀ࣬°ü,½Ó¿Ú£¬Çë¸÷¾Ù5¸ö
56̸̸final, finally, finalizeµÄÇø±ð
57ÇëÎÊÏÂÃæµÄ´úÂëÊä³öʲô£¿
¸¸Àࣺ
package test;
public class FatherClass
{
public FatherClass()
{
System.out.println(¡°FatherClass Create¡±);
}
}
×ÓÀà:
package test;
import test.FatherClass;
public class ChildClass extends FatherClass
{
public ChildClass()
{
System.out.println(¡°ChildClass Create¡±);
}
public static void main(String[] args)
{
FatherClass fc = new FatherClass();
ChildClass cc = new ChildClass();
}
}
59int ºÍ Integer ÓÐʲôÇø±ðÊÇʲô£¿
60.String ºÍStringBufferµÄÇø±ðÊÇʲô£¿Ê²Ã´³¡ºÏÓÃStringBuffer
61.Static Nested Class ºÍ Inner ClassµÄ²»Í¬
62.JAVA SERVLET APIÖÐforward() Óëredirect()µÄÇø±ð
63.JAVA½âÎöXMLµÄ·½Ê½ÓÐÄÄЩ£¿ËûÃǵÄÇø±ðÊÇʲô£¿
64.±ÊÊÔ¿ÉÄܵÄÐÎʽÈçÏ£º
¸øÄãÒ»¸ö:Çý¶¯³ÌÐòA,Êý¾ÝÔ´Ãû³ÆΪB,Óû§Ãû³ÆΪC,ÃÜÂëΪD,Êý¾Ý¿â±íΪT£¬ÇëÓÃJDBC¼ìË÷³ö±íTµÄËùÓÐÊý¾Ý¡£
65.JSPÖж¯Ì¬INCLUDEÓ뾲̬INCLUDEµÄÊéд·½Ê½ÒÔ¼°ËûÃÇÖ®¼äµÄÇø±ð
66.