Txhim kho Java Cov Khoom Siv Txhim Kho (JDK) ntawm koj Mac yuav tso cai rau koj sau thiab sau Java cov ntawv thov. Kev teeb tsa JDK yog qhov yooj yim heev, thiab suav nrog kev txhim kho ib puag ncig hu ua NetBeans. Koj yuav siv NetBeans los sau koj cov cai thiab suav nws rau kev sim.
Cov kauj ruam
Ntu 1 ntawm 2: Txhim Kho JDK
Kauj Ruam 1. Mus ntsib JDK nplooj ntawv rub tawm
Qhib koj lub vev xaib thiab mus ntsib oracle.com/downloads/index.html.
Kauj Ruam 2. Rub tawm JDK installer
Thaum koj nyob ntawm nplooj ntawv rub tawm, koj yuav tsum tau mus rau lub installer cov ntaub ntawv:
- Nyem qhov "Java" xaiv.
- Nyem "Java SE."
- Nyem rau "Download" khawm tom ntej "JDK 8 nrog NetBeans."
- Xaiv "Txais Daim Ntawv Pom Zoo Daim Ntawv Pom Zoo" thiab tom qab ntawd nyem qhov rub tawm txuas rau "Mac OS X" nyob rau sab saum toj. Nov yog qhov tshaj tawm tsis ntev los no ntawm Java SDK nrog NetBeans kev txhim kho ib puag ncig.
Kauj Ruam 3. Nyem ob npaug rau rub tawm lub installer
Tus installer yog nyob rau hauv.dmg hom ntawv. Ob-nias nws yuav qhib lub interface installation.
Kauj Ruam 4. Ua raws li cov lus qhia kom teeb tsa JDK
Koj yuav raug nug kom nkag mus rau koj tus thawj tswj tus password ua ntej kev teeb tsa tuaj yeem pib.
Kauj Ruam 5. Rho tawm DMG cov ntawv tom qab teeb tsa (xaiv tau)
Qhov no yuav pab koj txuag ntawm qhov chaw disk, txij li koj tsis xav tau nws tom qab JDK tau teeb tsa.
Ntu 2 ntawm 2: Tsim Koj Thawj Txoj Haujlwm
Kauj Ruam 1. Qhib NetBeans los ntawm Cov Ntawv Teev Npe
Nov yog kev txhim kho ib puag ncig rau Java, thiab yuav tso cai rau koj yooj yim sau thiab sau cov lej.
Kauj Ruam 2. Nyem Cov Ntaub Ntawv thiab xaiv "Txoj Haujlwm Tshiab
" Qhov no yuav pib qhov haujlwm tshiab hauv NetBeans.
Kauj Ruam 3. Xaiv pawg "Java" thiab "Java Application" project
Qhov no yuav teeb tsa NetBeans los tsim Java cov ntaub ntawv rau txoj haujlwm no.
Kauj Ruam 4. Muab lub npe ua haujlwm thiab nyem "Ua tiav
" Rau qhov piv txwv no, hu nws "HelloWorld." Qhov no yuav qhib tus editor code tom qab tsim qhov project.
Kauj Ruam 5. Nrhiav qhov "// TODO code thov mus ntawm no" kab
Koj qhov program program yuav nyob hauv qab kab no.
Kauj Ruam 6. Nkag mus rau koj cov lej program hauv kab tshiab
Nias ⏎ Rov qab los tom qab "// TODO code thov mus ntawm no" kab los tsim kab tshiab nrog tib qho kev nkag. Ntaus cov cai hauv qab no:
System.out.println ("Nyob Zoo Ntiaj Teb!");
Kauj Ruam 7. Nyem rau lub pob "Run Project"
Qhov no zoo li lub khawm Ua Si ntsuab, thiab tuaj yeem pom hauv toolbar.
Kauj Ruam 8. Txheeb xyuas qhov Output tab kom pom koj txoj haujlwm
Cov thav duab no yuav tshwm nyob rau hauv qab ntawm koj lub vijtsam tom qab ua tiav txoj haujlwm.
Kauj Ruam 9. Kho tej yam tsis raug
Yog tias txoj haujlwm tsis muaj qhov yuam kev, koj yuav pom "Nyob Zoo Ntiaj Teb!" thiab "TSHUAJ TIV THAIV TSEV KAWM NTAWV" hauv Cov Ntawv Tso Tawm. Yog tias muaj qhov tsis raug, koj yuav pom cov kab twg lawv tshwm sim rau yog li koj tuaj yeem rov qab thiab kho lawv.
Kauj ruam 10. Txuas ntxiv kawm Java
Tam sim no koj tau teeb tsa JDK thiab ua haujlwm, koj tuaj yeem kawm txuas ntxiv mus rau program hauv Java. Saib Sau Koj Thawj Txoj Haujlwm hauv Java rau cov pib qhia ntau ntxiv.