![ʹJava WebSOA []ɭHansen M.D. ɱ ӹҵ硾Ĺ](http://img3m4.ddimg.cn/14/28/11959201004-1_b_1747124022.jpg)
ʹJava WebSOA []ɭHansen M.D. ɱ ӹҵ硾Ĺ ٿƱۺ֧7˻
ʹJavaWebSOAһĿָϣڵǰJava EE5JavaSE6ƽ̨ʵWebļܹSOAδԼWebٽЩϳɢϵSOAӦóһƵӦÿܣSOA-JMarkHansenϸ˳ɹҵԱͼܹʦ߱ļ֪ʶϸڡʵƼɵʹöĴʾ
¥6.09ۣ¥23.00 (2.65)

JaԳ ƪԭ8棩Y.Daniel?LiangJaԵľ̲ģİΪJaԳƻƪ͡JaԳƽƪҪܳƻơGUIơ㷨ݽṹJaƵݡJaԳ ƪԭ8棩ʾļɣṩij嵥Ӧʾÿдϰͱϰ⣬ձ̼ӦѧļʵӦó⡣ƪҪݽṹGUIơ̡߳Ͽܡ㷨ЧʺMVCԼJaݿƵȷݣѭɶǿJaԳ ƪԭ8棩ΪߵԺУרҵƿγ̵Ľ̲ģԱҲкܸߵIJοֵ
¥10.61ۣ¥59.88 (1.78)

JaŻרҵָϡJaӦܵŵʥͨ˴ļغͲߣ漰Ӳܹ̈́ϵͳιʵ顢ͽԼβȡжȼɡ
¥10.62ۣ¥58.83 (1.81)

JavaϢ2棩dzؽJMS1.1淶ĵײ㼼Javaͽӿڡģͼ䲻ͬʵֵJavaϢJMSϢͻƹؼֵ֧ͨԵͷ/ġϢ͡ıAPIȫԼʵáءJMSϵṹٵս칹ϵͳӦóɡ߿ԡϵͳƿֲ֧ԼԺԵȡ
¥5.62ۣ¥26.00 (2.17)

JavaWebʵս1200III1200ӣǵI600ӡ ԿԱĿоͱյļΪģӦJavaWebгĸ֪ʶͼɣҪJavaWeb̻ļͼͼý弼ӦüJSPWordExcelȡȫ6ƪ23£600ʵ600鼼ɡÿʵǾ߾ɸѡģкǿʵԣһЩʵǿԱѰٵĽ 1200ӣ˿и泣õʵĿǰгʵȫĿͼ飻ʵԴڶλʦĶۣкǿʵԡ ףṩвʵƵʹԴ룬ԼļӦá ʺJavaWebijѧߣ
¥5.62ۣ¥26.00 (2.17)

¥5.62ۣ¥204.00 (0.28)

¥5.62ۣ¥204.00 (0.28)

Jaʵս(ʦ̳)һۺϽJaļ鼮ʹôĴ뼰֪ʶķãҸһЩȽϳĿ裬߸õؽJaĿ߶JaѵѧԸָ߶˿ûκ⣬õJaι̣ڹҲʼûһŵĺ鼮ֵ鼮ΧƸнģûнΪʲôҪ߱Щ֪ʶԼȥЩ֪ʶJaʵս(ʦ̳)ÿһλ߶֪ÿ֪ʶȥԺؿһóд롣ѧϰıʱԵȣǺܶͷ۵ĵطҺܶ붼һЩϸϵ⣬ԣJaʵս
¥10.63ۣ¥59.97 (1.78)

JavaWebŵͨӳѧ߽Ƕȳͨͨԡḻʵʵϸ˽JavaWebӦóӦյĸ漼ȫ鹲21£JavaWebӦÿHTMLCSSҳJavaScriptűԡJSPJSPöJavaBeanServletJavaWebݿELʽԣJSTLǩAjaxStruts2Struts2HibernateHibernateӦáSpring֮IoCSpring֮AOPJSPXMLˬվŹռȡ֪ʶϾʵнܣ漰ijϸעͣʹJavaWebӦóľ裬߿ܡ⣬ֽ֮⣬л˺Դ⣬Ҫ£ Ƶ⣺ʱ27Сʱ97 ʵ
¥5.63ۣ¥26.00 (2.17)
![Java Web Services̳ []ķ˹ ղľ ӹҵ](images/model/guan/url_none.png)
Java Web Services̳ []ķ˹ ղľ ӹҵ ٿƱۺ֧7˻
һȫJava Web Servicesָ飬߾ΪSun˾ĸרҵԱͼĵдԱͨʵָʹJavaWebӦóʹSun˾WSDPJava Web Services Developer Packһݷḻʹõij˸ڴͲWebӦõļߡ⣬黹ϸAPIṩһЩӹϰԼԹؼ⡣JavaרҵԱû
¥12.64ۣ¥69.80 (1.82)
![Java Web̳ []Harvey](images/model/guan/url_none.png)
ȸҪΪWebXMLȻ̽һЩΪʵõݣSOAPЭ飩WSDLWebԣJAX-RPCXMLԶ̵̹õJaAPIJAXMXMLϢݵJaAPIͨḻʵ̷ܱõԭʵǿһJa̾鲢ϣ˽WebרҵԱ
¥10.64ۣ¥61.92 (1.72)

Java2Ϊһ̲Ĺʮ£ǰʮҪJava2ı˼룬а̺á̿ơ顢ַ쳣I/OļĴлԼԡ´ӶJava2̼Ҫ漰̼߳ͼλԼӦ¼ƱȽȫؽApplelڶýеӦã⣬Java2ԼϿ˽ܲӦJava2ṩǿͨInternetϵõ㷺Ӧõļ˽⡣
¥12.65ۣ¥105.30 (1.21)

ϽJavaкܶ࣬רעJavaܵIJ࣬չʾJavaŻѵĸǷëǣ鼴֮һͨʹJVMJavaƽ̨ԼJavaԺӦóӿڣ꾡Javaܵŵ֪ʶJavaƽ̨ܵĸ棬ʹ绢
¥12.65ۣ¥105.30 (1.21)

Java2Ϊһ̲Ĺʮ£ǰʮҪJava2ı˼룬а̺á̿ơ顢ַ쳣I/OļĴлԼԡ´ӶJava2̼Ҫ漰̼߳ͼλԼӦ¼ƱȽȫؽApplelڶýеӦã⣬Java2ԼϿ˽ܲӦJava2ṩǿͨInternetϵõ㷺Ӧõļ˽⡣
¥12.65ۣ¥105.30 (1.21)

ȫJaveӦõľ䣬5һ¶Ƽ
¥12.65ۣ¥105.30 (1.21)

Java (İ ) (OReilly Javaϵ) Java Network Programmin ƼĹɿƱ
Ja̡ΪJaAPIȫԡJDK.4.5ΪJ2SE5ĺȫ棬˴֪ʶԶ̷ãRMIȸݣ½漰TCPUDPsocketsocketURLURI鲥Լ;APIJaMailȵȡչʾʹJSSEдȫӦóʹNIOAPIдܵķJaWebcookieURL֧֡Ja̡ǶAPIĽ չʾʹAPIкܶʾ˼ǧпʵʹĴ루д붼ãʵ˹ͻ˺ͷϣд;Webȫ߶ճ鲥ǵʼͻˣҵɹѧϰĺͽõĴ롣
¥10.65ۣ¥59.91 (1.78)

ȫJaveӦõľ䣬5һ¶Ƽ
¥12.65ۣ¥105.30 (1.21)

ϽJavaкܶ࣬רעJavaܵIJ࣬չʾJavaŻѵĸǷëǣ鼴֮һͨʹJVMJavaƽ̨ԼJavaԺӦóӿڣ꾡Javaܵŵ֪ʶJavaƽ̨ܵĸ棬ʹ绢
¥12.65ۣ¥105.30 (1.21)

һϵͳJava̷廯ֽ̳̣ͼ顢顢ѧμԴƵ̳̣ȫ鹲ΪƪһƪΪJava1¡10£ڶƪΪ̣11¡18£ƪΪJavaף19¡28£ƪΪJavaĿʵս29¡30£Ҫݰƪ*һJavaJavaJava淶ͣ䣻飻ַ̳̬ӿڣöࣻJavaࣻڲࣻJava 8ʽ̻Lambdaʽ쳣ϣͣļIO̱̣̣߳Swingͼụ̂䣻ע⣻ݿ̡ȫʵսĿĿʵս1PetStore̵ĿĿʵս2
¥12.65ۣ¥105.30 (1.21)

һϵͳJava̷廯ֽ̳̣ͼ顢顢ѧμԴƵ̳̣ȫ鹲ΪƪһƪΪJava1¡10£ڶƪΪ̣11¡18£ƪΪJavaף19¡28£ƪΪJavaĿʵս29¡30£Ҫݰƪ*һJavaJavaJava淶ͣ䣻飻ַ̳̬ӿڣöࣻJavaࣻڲࣻJava 8ʽ̻Lambdaʽ쳣ϣͣļIO̱̣̣߳Swingͼụ̂䣻ע⣻ݿ̡ȫʵսĿĿʵս1PetStore̵ĿĿʵս2
¥12.65ۣ¥105.30 (1.21)



¥30.80ۣ¥39.00 (7.9)

д95йJaȱݵ⣬дⶼ˶̳ķʽЩΪ俴ƵĴྶͥÿ֮ϸĽЩԽ˶ԳΪļͣչʾһݵرײȱݡȤζʮ㡢Ԣ֣ʺھ߱Ja֪ʶѧϰߺб̾JaԱ
¥10.67ۣ¥60.09 (1.78)
![JAVAļ2[]˹ еҵ9787111256113](images/model/guan/url_none.png)
JAVAļ2[]˹ еҵ9787111256113 飬֤ΪһףӷƱ
JAVAļ2JavaȨָϣȫ渲Javaĸ⣬ļXML硢ݿ̡SwingAWTJavaBeanȫֲʽűעȣͬʱ漰ػʻԼJavaSE6ݡJAVAļJavaIJȷλʽdzʾӶ߳JavaԼJavaԡ JAVAļ2ʺԱߵԺУʦѧο
¥8.68ۣ¥268.30 (0.33)

JaԱԱ䣨4棩ǡJaԱԱ䡷ĵ4档4ڱǰݽṹַJaƵݵĻϣ˲ֳԱĿҪȡ203205Ҵ˾⣬Էӳ3ͼı仯ĿǰְԹиõشһЩ⣬Ӧ±仯JaԱԱ䣨4棩νӢԺ͵绰ԣְǩԼԼעȹԽ˽JaԱԱ䣨4棩ϸĽ⣬֪ʶҲչ˵ϣЩݶԶߴְҵרҵ֪ʶİJaԱԱ䣨4棩ʺϣڣҪҹijԱУӦҵԼĶ
¥10.70ۣ¥56.94 (1.88)

Javaļϵ Java淶 Java SE 8棩 桿 ƼĹɿƱ
Jaļϵ Ja淶JaSE8棩OracleٷJaдJaרҷ롣лȫJaSE8ȷزJa淶˽JaJaʵϸڵ֮Jaļϵ Ja淶JaSE8棩7¡´Ӻ۵ĽǶȽJaJaĹϵչ 2¸Jaܹclassļʽ͡ԭʼ͡͡ʱջ֡㷨쳣ȣⱾҪ 3νJaԱдijתΪJaָ漰ֲṹ㡢աá顢ջ쳣ͬע 4ʾͽӿڵclassļʽ 5¶JaԼӿڵļءӺͳʼ
¥10.70ۣ¥62.10 (1.73)

̲İݣһݣҲǵһ£JavaEEĹ淶漰ļ˼ĽܣһҵӦóģͺͷȡڶֽJavaEE淶µĿܣҲǵ2¡3º͵4µݣֱ˳־òMybatisܣSpringܺͱʾSpringMVCܡ
¥48.60ۣ¥59.00 (8.24)

Java WebžԡӢ еҵ9787111421825 飬֤ΪһףӷƱ
³Ա⣺JavaWebž䡷ԳѧΪģȫJavaWebгõĸּdzöѭձ̼ݽϽϷḻͼı⡰ɬѶļʽϸдʾɡ˵Ŀʵ̼߱ḻ̾顣ȫ鹲4ƪ19£УһƪΪƪҪJavaWeb֮šɲ֪ĿͻӦüԦJavaWebJavaWeb֮JSPݣڶƪΪƪҪЧ֮öġȶJavaBeanWebӦõĵߡServletʹñʽԣELҳJSTLǩ⡢ݿӦÿݣƪΪӦƪҪڻвļԴJFreeChartʵ
¥8.70ۣ¥438.27 (0.2)

Springܽ Java EEģʽҪJava EEӦóƺSpringܵĻ֪ʶ˱ֲ㡢ҵͼɲʹõģʽṩÿģʽʵϸڲȱ㣬ʾ˿ϵͳĹ̡ ҪʺJava EEӦóԱͼܹʦʹá
¥12.71ۣ¥105.42 (1.21)

JavaSUN˾һһԣڸֲͬĻϵͳ绷нпнԺͱԵԡJavaĿǰ*еı֮һǼרҵһרҵΡdzÿһͰᴩʼգϸJavaJava˼롣ȫÿһ½ڣѧϰݼĿꡢͬϰĶϡԪԲ⡢ʵѵָݣڶѧ
¥20.70ۣ¥27.00 (7.67)

߳벢dzƺûӵҪ⣬ͨdzʵJAVA߳صģʽͨʵʵJAVAUMLͼʾһһ˵дҪּϱעʹ߸ڶ˵ͼ⣬۶ڳѧdzƸ˵ⶼһѧϰʶģʽdzѵõĺ顣 аJAVA̵߳Ľܵ12Ҫ߳ģʽȫܽԼḻĸ¼ݡÿһ߳ģʽĽܣһʹѧϰЧʡϰ⣬ö߿¹ʶ֪£ܿٵеľϰ𣬷ѧϰ֤
¥12.75ۣ¥105.50 (1.21)

߳벢dzƺûӵҪ⣬ͨdzʵJAVA߳صģʽͨʵʵJAVAUMLͼʾһһ˵дҪּϱעʹ߸ڶ˵ͼ⣬۶ڳѧdzƸ˵ⶼһѧϰʶģʽdzѵõĺ顣 аJAVA̵߳Ľܵ12Ҫ߳ģʽȫܽԼḻĸ¼ݡÿһ߳ģʽĽܣһʹѧϰЧʡϰ⣬ö߿¹ʶ֪£ܿٵеľϰ𣬷ѧϰ֤
¥12.75ۣ¥105.50 (1.21)

Javaʵϵͳָ 9787111135357 еҵ ٿƱۺ֧7˻
8ۺʵ˶JavaϵͳƺͿصJ2EEʵϵͳļܹƺӦáصǴӿɸõƵĸ߶ܽͬͨùɣ̽ģʽͿڿԡչԺͿԵȷʵӦãӶĿٶȣԱJavaʵսгҪ⡣ʺϴѧרҵѧоʦԼԱѧϰο
¥12.74ۣ¥49.36 (2.59)

¥12.75ۣ¥105.50 (1.21)

¥13.75ۣ¥217.88 (0.64)

¥12.75ۣ¥105.50 (1.21)
![Java EE 7Ȩָ 1 ԭ5棩 []ˡ 桿](images/model/guan/url_none.png)
Java EE 7Ȩָ 1 ԭ5棩 []ˡ 桿 ƼĹɿƱ
JaEEķչŲ200꡶TheJ2EETutorialڰҼ棬߹ʮݽ̣θİ棬һֱ˥JaEE7Ȩָ ԭ5棩Ϊԭ5ھȫ岿֣3 ڲ֣~2£JaEEҵӦÿظͼԼװֱ֧ʾҪ˽֪ʶ 2֣3~5£ƽ̨֪ʶԴJNDIԴӳءԹʽԴԴעע롢 3֣6~20£Web㼼漰JSFFaceletsʽԡʹøֲͬ͵ͺıǴWebҳ桢ͨת֤ΪӸܡйbeanʹAjaxJSFJSFиԡUIƶJSFӦáWebSocketJaAPIJSONJaAPIWebӦù
¥10.76ۣ¥62.28 (1.73)
![JavaXSLT []Eric M. Burke й硾鼮](images/model/guan/url_none.png)
JavaXSLT []Eric M. Burke й硾鼮 ٿƱۺ֧7˻
JavaΪṩ˶ƽ̨Ĵ룬XMLΪṩ˶ƽ̨ݡںźĹؼ֮һνXMLתΪʽأνXMLļһʻתһʻأ XSLתXSLTXMLʽнIJ֣νһXMLĵתΪһĵ ӦóԲʹõʽչʾJavaʹXSLTľʾνXSLTԱ̵ķʽͶʵӦáο͵ʹתӦóͨʹûͱʽŻӦóܣνXSLTJavaһʵָӵĽʽWebվ߷⣬黹õźͼɡȻĿǽдXSLTתDZͬʱҲһָ̨ϡ ûXSLTXM
¥10.76ۣ¥35.00 (3.08)

¥5.77ۣ¥204.00 (0.29)
![Java EE 7Ȩָ 1 ԭ5棩 []ˡ 桿](images/model/guan/url_none.png)
Java EE 7Ȩָ 1 ԭ5棩 []ˡ 桿 ƼĹɿƱ
JaEEķչŲ200꡶TheJ2EETutorialڰҼ棬߹ʮݽ̣θİ棬һֱ˥JaEE7Ȩָ ԭ5棩Ϊԭ5ھȫ岿֣3 ڲ֣~2£JaEEҵӦÿظͼԼװֱ֧ʾҪ˽֪ʶ 2֣3~5£ƽ̨֪ʶԴJNDIԴӳءԹʽԴԴעע롢 3֣6~20£Web㼼漰JSFFaceletsʽԡʹøֲͬ͵ͺıǴWebҳ桢ͨת֤ΪӸܡйbeanʹAjaxJSFJSFиԡUIƶJSFӦáWebSocketJaAPIJSONJaAPIWebӦù
¥10.79ۣ¥62.37 (1.73)
![Java EE 7Ȩָ 1 ԭ5棩 []ˡ 桿](images/model/guan/url_none.png)
Java EE 7Ȩָ 1 ԭ5棩 []ˡ 桿 ƼĹɿƱ
JaEEķչŲ200꡶TheJ2EETutorialڰҼ棬߹ʮݽ̣θİ棬һֱ˥JaEE7Ȩָ ԭ5棩Ϊԭ5ھȫ岿֣3 ڲ֣~2£JaEEҵӦÿظͼԼװֱ֧ʾҪ˽֪ʶ 2֣3~5£ƽ̨֪ʶԴJNDIԴӳءԹʽԴԴעע롢 3֣6~20£Web㼼漰JSFFaceletsʽԡʹøֲͬ͵ͺıǴWebҳ桢ͨת֤ΪӸܡйbeanʹAjaxJSFJSFиԡUIƶJSFӦáWebSocketJaAPIJSONJaAPIWebӦù
¥10.79ۣ¥62.37 (1.73)

JavaԾ⡷һֻJavaŵ顣 Jim WaldoԭSunϵͳ˾ʵҵĽܳʦJavaӼչ̡ⱾJimܽΪJavaԼ价ྫ֣ϵͳ쳣ơաJavaJavadocϡԶ̷úͲơ⣬ӿߵĽǶȷJavaΧչġ̬ҪJavaֻѲ֣JimЩDZ뱣IJ֡ ʷӽDzJavaijЩķչ̣ijЩ֮Դڵԭʹ˶һ֪֡ȻͨСĶ鲻ʹJavaĺĻƣʹ˽ԵߺʵȨ⡢вάֲͬԣ
¥12.79ۣ¥105.58 (1.22)

Javaļ1֪ʶԭ9棩14¡1¸JavaԲͬܣ2½غͰװJDKijʾ3½˱ѭͼĺ4½ͷװ5½˼̳У6½˽ӿںڲࣻ7¸ͼû֪ʶ8AWT¼ģͣ9̽SwingGUI䣻10½βԼӦóapplet11쳣12¸Ҫܷͳƣ13½Javaƽ̨ļϿܣ14½˶̡߳һ¼гJavaԵı֡
¥5.79ۣ¥26.00 (2.23)

¥12.79ۣ¥105.58 (1.22)

ȫJava 8 ̱汾ԣLambdasͺʽ̡˺ʽıԣô࣬ͬʱҲԶöӲȫĸ֣֪ʶʽݴЧJava 8 ̺**Java 8˵չһJava ʱִ
¥12.78ۣ¥105.56 (1.22)

Jaд95йJaȱݵ⣬дⶼö̳ʽЩʵΪϴྶͥÿ֮ϸĽЩԽ˶ԳΪļͣչʾһݵرײȱݡJaȤζʮ㡢Ԣ֣ʺھ߱Ja֪ʶѧϰߺб̾JaԱ
¥10.79ۣ¥62.37 (1.73)

¥12.78ۣ¥105.56 (1.22)

¥12.78ۣ¥105.56 (1.22)

¥12.78ۣ¥105.56 (1.22)

JavaԾ⡷һֻJavaŵ顣 Jim WaldoԭSunϵͳ˾ʵҵĽܳʦJavaӼչ̡ⱾJimܽΪJavaԼ价ྫ֣ϵͳ쳣ơաJavaJavadocϡԶ̷úͲơ⣬ӿߵĽǶȷJavaΧչġ̬ҪJavaֻѲ֣JimЩDZ뱣IJ֡ ʷӽDzJavaijЩķչ̣ijЩ֮Դڵԭʹ˶һ֪֡ȻͨСĶ鲻ʹJavaĺĻƣʹ˽ԵߺʵȨ⡢вάֲͬԣ
¥12.79ۣ¥105.58 (1.22)

¥8.79ۣ¥260.34 (0.34)

ȫJava 8 ̱汾ԣLambdasͺʽ̡˺ʽıԣô࣬ͬʱҲԶöӲȫĸ֣֪ʶʽݴЧJava 8 ̺**Java 8˵չһJava ʱִ
¥12.78ۣ¥105.56 (1.22)
![Java EE 6Ȩָ ƪ4棩 []EricIa](images/model/guan/url_none.png)
Java EE 6Ȩָ ƪ4棩 []EricIa ƼĹɿƱ
ʾJaEE6̳̣οҵӦãΪ4˺ܶݣϸµAPIƽ̨ԡ8ֲJaEE6֪ʶWeb㼼(JaServerFacesFacelets)ԼʹJAX-WSJAX-RSWebʹJaBeansҵʹJaPersistenceAPIݿ⡢ΪWebӦûҵӦǿȫԡJaEEƽ̨ʹĺע롣ʺϳмJaԱѧϰIJο
¥10.80ۣ¥62.40 (1.74)

ѧϢϵн̲ģJavaƣϸJavaƵĻͷݷΪ֣һֽJavaԻݡƽṹ顢ࡢӿڵȣڶֽJava֪ʶֵá鷽á쳣㷨JavaӦã̡߳ʽļAWTSwingͼû棬ԼJava硢ý塢ݿȷӦá ѧϢϵн̲ģJavaƣ꾡ѭڽܱ̼ͬʱؽйƵĻͷṩ˷ḻĵʵпɲԣڶߵѧϰƹӦá¸дϰ⣬ڶ˼ϰ ѧϢϵн̲ģJavaƣݺ֯ʽ
¥12.80ۣ¥105.60 (1.22)

¥13.80ۣ¥219.32 (0.63)

Java̷ۣӦʽRxJavaʵս ֪ 9787121364174 ӹҵ ٿƱۺ֧7˻
RxJava 2Դö߿ԴƵʵϸȫ˽ӶﵽöҿԽRxJava 2Դչij̶ȡĿIJǽRxJava 2Ҹϣͨһ졢ĴչʾĶԴ˼·̷ļɣа˲̵ʵսɡݽṹƷģʽʹ÷ʽ̵ĸּɵȣϣ߿˼Լһױ̷ۡҲǡJava̷ϵд顱ijԣ֮㲻֮档
¥12.80ۣ¥49.48 (2.59)

ּ߶ѧϰJava EEЧʣǿĿʵս˾вûʵõļDzý200Ϊ߽˿ҵ֪ʶ߽СҪʽѧϰȡJava EE˼룬ȷؽĿʵսɫ©Java EEֱҪʵսλϸѧáҪʽĿȷ/ ѧϰѽDZĬĥʽ֪ʶҪЧʡֱʽⲻ·ѭʽ֪ʶͳȷԵ桪ʽĿ֪ʶȴϵɹȫ澭Ŀ̴ѧϰ/ Ч
¥12.80ۣ¥105.60 (1.22)
![JavaԳƻƪ []Y.Daniel Liang еҵ](images/model/guan/url_none.png)
JavaԳƻƪ []Y.Daniel Liang еҵ ۣͬѯͷѯµӭѡ
¥5.81ۣ¥204.00 (0.29)

Java EE 7ָϣ1ԭ5棩
¥12.83ۣ¥105.66 (1.22)