Ans: Scanner hoob kawm nyob rau hauv java no yog yeej pab tau kev tuav tswv yim los ntawm ib tug neeg tshiab util hoob kawm ntxiv rau cov chav kawm ntawv 1.5.This Java.Scanner hoob kawm yuav tau ua tag li BufferedReader classdo nrog efficiency tib yam.Tab sis muaj…
Yuav ua li cas los ua UML daim duab los ntawm tsab ntawv teev npe uas twb muaj lawm java (rov qab engineering)?
Ans:Muaj ntau ntau dawb/ntawv pov thawj plugins(cuab yeej) nyob hauv txoj kev ua lag luam rau tsim UML daim duab los ntawm tsab ntawv teev npe uas twb muaj lawm java (rov qab engineering).Kuv yuav piav ib plugin uas yuav siv tau rau cov dab noj hnub. Lwm plugins muaj yuav luag zoo xws li siv. Kuv yuav piav ' EclipseUML’ plugin (http://www.omondo.com/)…
Muaj inheritances ntau zaum hauv java?
IB: Tsis yog, ntau ncaus no tsis tau java. Interface twb twb nkag tau pab lub hom phiaj thiab twb tau derived ntawm lub hom phiaj C.The yam kev twg ntau lub inheritances ntawm cov Java lus saibxyuas kav paj ntawm lub ' yooj yim, nruas…
Cas cov cim xeeb yog tswj nyob rau hauv java?
IB: Cia kuv piav seb cov cim xeeb yog tswj hauv java. Nco qas ntsoov Java kev tuav lub thiab de-lub twb tau eliminated. Cim xeeb nyob rau hauv Java no yeej khib nyiab ntim kom tau koj yeej tsis txhawj txog kev nco kev noj nyiaj txiag. Java nco tswj…
Dab tsi yog tus tuav kos Drools
Peb piav Drools kos tuav hauv lus. Nyob rau hauv Drools, lub neej ntawd kos handler hu ua “Qhov tsim nyog tau kos Handler”. Nws qhia yam tsawg kawg nkaus li yog cov nram no. ib) Cov cai b) Qhov twg lub kos coj qhov chaw c) Ua kom muaj…
Nco daim ntawv qhia cov ntaub ntawv nyob rau hauv java no li cas?
Ans :Nco daim ntawv qhia ntaub ntawv rau java yog ib theem tsis tswvyim kom ntau nraaj ua I/O. Feem ntau peb siv kwj lossis tsis kwj ua ntaub ntawv I/O. Txawm hais tias buffered cov kwj lug siv kom tau cov ntawv uas muaj cov ntaub ntawv tawm tswv yim…
Moj khaum diav rawg los sib sau nyob rau hauv java no li cas 7.0 (Lub cajmeem rau thaum uas tig mus)?
Diav rawg/txis moj khaum muaj tau nkag tau rau hauv java 7 yuav kom daws tau tej teeb meem multi-threading/mus tib seem programming. Nws yuav nyuaj rau koj kam nrog txhawb (mus tib seem) programming thaum uas siv cov kev cai. Vim hais tias koj yuav tsum hais rau xov synchronization, ceeb toom, koom etc thiab tseem…
Executor moj khaum rau java yog dab tsi?
Ntawm lub moj khaum Executor muaj tau nkag tau rau hauv Java 1.5 thiab nws yog ib feem ntawm cov pob java.util.concurrent. Qhov lub moj khaum Executor lawm ib abstraction tseeb txog qhov kev siv java multithreading. Nws yog siv rau cov standardizing invocation, teem dua, tiav thiab tswj…
Cov architectures drools thiab qhov web daim ntawv xws li yog dab tsi?
Ans : Cia kuv piav rau architectures rau drools thiab qhov web daim ntaub ntawv. Qhov kev koom ua ke architecture yuav tau sau tseg nyob hauv ob lub ntsiab pawg ib) Drools embedded nyob web daim ntawv thov ua. Drools yuav muab los siv ua kev tivthaiv rau sab hauv lub…
Dab tsi yog qhov diffrence ntawm jBPM thiab drools cov cav cai?
Lub diffrence lub ntsiab qhov txawv ntawm jBPM thiab drools cai cav yog tias jBPM yog ib tug txheej txheem/wrok txaus cav thiab Drools yog ib lub cav cai. Ob leeg yuav siv tau ua ke.
Qhov no xam huab?
Ans: Cia kuv piav huab xam hauv txhawb kom koj muaj lub siab kaj. Kuv ntseeg tias peb feem coob twb tau hnov lub npe 'Huab xam'. Tab sis, yam nws txhais? ua ntej no, yog vim li cas lub npe li? cia kuv…
Ntawv loj loj thiab Hadoop yog dab tsi?
Ans: Cov ntaub ntawv yog suav li suav tau loj cov ntaub ntawv thaum uas koj tsis tswj nraaj. Tam sim no ib hnub cia no yuav pheej yig thiab ua cheaper yav, uas txhais tau tias nws kuj yog yooj yim rau sau roob ntawm cov ntaub ntawv. Tab sis npog…
Dab tsi yog lub suab browsing?
Lub neej tom ntej ntawm cov qhov web browsing yog lub suab browsing. Lub tshuab yog teb pheej loj loj thiab yuav tom ntej no hauv INTERNET.Lub kiv puag ncig lub suab yuav piav raws li tus yug txog tshiab hauv INTERNET dua. Qhov nyuaj tshaj kom to taub lub suab…
