Cov txheej txheem:
Video: Kuv yuav ua li cas khiav Java program tom qab kev teeb tsa?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Yuav ua li cas khiav java program
- Qhib lub qhov rais hais kom ua thiab mus rau cov npe uas koj khaws cia java program (MyFirstJavaProgram. java ua ).
- Ntaus 'javac MyFirstJavaProgram. java ua 'thiab nias nkag mus rau sau ua ke koj code .
- Tam sim no, ntaus ' java ua MyFirstJavaProgram ' khiav koj qhov kev pab cuam .
- Koj yuav tuaj yeem pom cov txiaj ntsig luam tawm ntawm lub qhov rais.
Raws li txoj cai, Kuv yuav nruab thiab khiav Java li cas?
1. Yuav ua li cas rau nruab JDK ntawm Windows
- Kauj ruam 0: Un-Install Older Version(s) ntawm JDK/JRE.
- Kauj ruam 1: Download JDK.
- Kauj ruam 2: Nruab JDK.
- Kauj Ruam 3: suav nrog JDK's "bin" Directory hauv PATH.
- Kauj ruam 4: Txheeb xyuas qhov kev teeb tsa JDK.
- Kauj ruam 5: Sau qhov Hello-World Java Program.
- Kauj ruam 6: Sau thiab khiav qhov Hello-World Java Program.
Tsis tas li ntawd, kuv puas xav tau JRE yog tias kuv muaj JDK? Koj tsis muaj xav tau rau nruab JRE ces, JDK feem ntau muaj ob qho tib si kev txhim kho & kev khiav haujlwm ib puag ncig hauv nws. Yog koj nruab JDK ces JRE yuav nyob rau hauv nws thiab ntsia tau nrog JDK . java ua > koj xav tau rau muaj JDK qe xa muaj JRE hauv nws. rau ua java filename koj xav tau nkaus xwb JRE.
Kuj kom paub, Kuv yuav ua li cas khiav Java program los ntawm kab hais kom ua hauv Windows 10?
2 Teb
- Tshawb xyuas koj txoj hauv kev javac ntawm Windows siv Windows Explorer C:Program FilesJavajdk1. 7.0_02in thiab luam qhov chaw nyob.
- Mus rau Control Vaj Huam Sib Luag. Environment Variables thiab Ntxig qhov chaw nyob ntawm qhov pib ntawm var.
- Kaw koj cov lus txib tam sim thiab rov qhib nws, thiab sau cov cai rau kev suav sau thiab ua tiav.
Kuv yuav ua li cas thiaj paub tias Java raug teeb tsa?
Hauv Search bar, ntaus Control Vaj Huam Sib Luag. Nyem Programs. Yog tus Java icon tam sim no, ces Java tau nruab.
Hauv Windows, peb tuaj yeem pom nws hauv Daim Ntawv Thov:
- Nias lub Start Button.
- Scroll cia hauv daim ntawv thov rau J.
- Qhib Java folder.
- Nyem Txog Java.
Pom zoo:
Kuv yuav rov qab kho cov teeb tsa network li cas?
Txhawm rau pom qhov version ntawm Windows 10 koj lub cuab yeej siv tam sim no, xaiv lub pob pib, tom qab ntawd xaiv Chaw> System> Txog. Xaiv lub Start khawm, ces xaiv Chaw> Network &Internet> Status> Networkreset. Ntawm lub Network pib dua screen, xaiv Pib dua tam sim no> Yog kom paub meej
Dab tsi yog cov ntaub ntawv teeb tsa tseem ceeb uas yuav tsum tau hloov kho los teeb tsa hom kev faib tawm tag nrho ntawm Hadoop pawg?
Cov ntaub ntawv Configuration uas yuav tsum tau hloov kho los teeb ib hom kev faib tag nrho ntawm Hadoop yog: Hadoop-env.sh. Core-site. xml. Hdfs-site. xml. Mapred-site. xml. Masters. qhev
Kuv yuav teeb tsa kev ceeb toom ntawm kuv lub azure saib li cas?
Tsim nrog Azure portal Hauv Azure portal, nyem rau ntawm Saib. Nyem Alerts ces nias + Txoj cai ceeb toom tshiab. Nyem Xaiv lub hom phiaj, nyob rau hauv lub ntsiab lus pane uas loads, xaiv ib lub hom phiaj peev txheej uas koj xav kom ceeb toom rau
Kuv yuav teeb ntau cov duab li kuv lub desktop tom qab Mac li cas?
Qhib iPhoto thiab nyem rau ntawm txhua daim duab. Nyem rau ntawm lub pob 'desktop' hauv qab yuav teeb cov duab no ua koj lub desktop keeb kwm yav dhau. Xaiv ntau cov duab siv ua haujlwm-nias (yog tias lawv nyob hauv kab) lossis xaj-nias (yog tias lawv cais los ntawm lwm cov duab), thiab nyem lub pob desktop
Yuav ua li cas rov qab kuv iPhone 4s tom qab reset nws?
Thawj txoj hauv kev: Txheeb xyuas tias koj nyob hauv tsev tshuaj ntsuam. Tom ntej no mus rau Settings. Ces thov xaiv General. Tom qab ntawd mus rau Pib dua, thiab xaiv qhov kev xaiv 'Lwv Txhua Cov Ntsiab Lus thiab Chaw'. Tam sim no paub meej cov ntaub ntawv hauv koj lub vijtsam. Sau koj tus passcode. Tos kom txog thaum koj ntaus ntawv yuav pib dua. Ua tiav