Video: Lub hom phiaj tseem ceeb ntawm Java yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Java Ameslikas tsim los rau kev sib tham sib TV, tab sis nws tau dhau mus rau kev lag luam digital cable TV thaum lub sijhawm. Cov lus tau pib hu ua Oak tom qab ib tsob ntoo Oak uas sawv sab nraum Gosling lub chaw ua haujlwm.
Tib neeg kuj nug, leej twg tsim Java thiab rau lub hom phiaj twg?
James Gosling
Ib yam li ntawd, Java yog dab tsi thiab nws keeb kwm? Java yog ib hom lus hais txog hom lus tsim los ntawm James Gosling thiab cov npoj yaig ntawm Sun Microsystems hauv thaum ntxov 1990s. Java tsuas yog nyob deb ntawm JavaScript, txawm hais tias lawv muaj cov npe zoo sib xws thiab sib koom a C-zoo li syntax. Keeb kwm . Java tau pib li a qhov project hu ua "Oak" los ntawm James Gosling hauv Lub Rau Hli 1991.
Xav txog qhov no, thaum twg Java tau tsim?
1991, Lub hom phiaj ntawm Java programming lus yog dab tsi?
Java yog general- lub hom phiaj lub computer programming lus uas yog concurrent, class-based, object-oriented, thiab tshwj xeeb yog tsim los kom muaj ob peb qhov kev siv raws li qhov ua tau. Lub tshuab virtual, hu ua Java Virtual Machine (JVM), yog siv los khiav cov bytecode ntawm txhua lub platform.
Pom zoo:
Lub hom phiaj ntawm ntau lub hom phiaj Internet mail extensions mime yog dab tsi?
Multipurpose Internet Mail Extension (MIME) raws tu qauv. MIME yog ib hom kev ntxiv lossis cov txheej txheem ntxiv uas tso cai rau cov ntaub ntawv tsis yog ASCII xa mus rau SMTP. Nws tso cai rau cov neeg siv sib pauv ntau hom ntaub ntawv hauv Is Taws Nem: suab, yees duab, duab, daim ntawv thov kev pab cuam thiab
Lub hom phiaj tseem ceeb ntawm lub suab ntsuas hauv suab hluav taws xob engineering yog dab tsi?
Sound-level meter, ntaus ntawv ntsuas qhov siv ntawm lub suab nrov, suab paj nruag, thiab lwm yam suab. Ib lub meter ib txwm muaj lub microphone rau khaws lub suab thiab hloov mus rau hauv lub teeb liab hluav taws xob, ua raws li hluav taws xob circuitry rau kev khiav hauj lwm ntawm cov teeb liab no kom cov yam ntxwv xav tau tuaj yeem ntsuas
Lub hom phiaj tseem ceeb ntawm ib lub tsev qiv ntawv yog dab tsi?
Lub hom phiaj tseem ceeb ntawm lub tsev qiv ntawv yog toprovid cov ntaub ntawv raug raws sijhawm nyob rau hauv txoj cai formto nws cov neeg siv. Txhawm rau ua kom tau raws li lub hom phiaj no cov tsev qiv ntawv muaj kev nkag mus rau cov ntaub ntawv tsis hais txog lawv daim ntawv, hom ntawv thiab qhov chaw
Lub hom phiaj ntawm lub cim xeeb tseem ceeb yog dab tsi?
Lub cim xeeb tseem ceeb hauv lub computer hu ua Random Access Memory. Nws tseem hu ua RAM. Qhov no yog ib feem ntawm lub khoos phis tawj uas khaws cov kev khiav haujlwm software, cov ntawv thov software thiab lwm yam ntaub ntawv rau lub hauv paus ua haujlwm (CPU) kom muaj kev nkag tau sai thiab ncaj qha thaum xav tau los ua haujlwm
Dab tsi yog tus hais lus sau nws lub hom phiaj thiab dab tsi yog yam tseem ceeb uas yuav tsum nco ntsoov txog cov lus hais?
Cov neeg hais lus sau ntawv yog cov ntawv qhia uas tus neeg nthuav qhia siv thaum nthuav qhia qhov kev nthuav qhia. Lawv pab tus neeg nthuav qhia nco txog cov ntsiab lus tseem ceeb thaum muab kev nthuav qhia. Lawv tshwm sim ntawm tus swb thiab tuaj yeem pom tsuas yog los ntawm tus tshaj tawm thiab tsis yog cov neeg tuaj saib