Cov txheej txheem:
Video: Yuav ua li cas koj rhuav ib nqe lus?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Muaj ib " tawg " nqe lus siv los txiav cov loops ntxov thiab feem ntau yog sab hauv " yog " nqe lus , tab sis koj ua tsis tau tawg out ib yog , nws tsuas yog terminates loops li rau, thaum thiab rov ua dua. Qhov rov qab los nqe lus tuaj yeem siv los txiav txim siab ua haujlwm ntxov.
Yog li ntawd, ua li cas koj rhuav tshem cov lus hais hauv Python?
Hauv Python , cov tawg nqe lus muab lub sijhawm rau koj tawm tawm ntawm ib lub voj thaum muaj xwm txheej sab nraud tshwm sim. Koj yuav muab tso rau tawg nqe lus nyob rau hauv lub block ntawm code nyob rau hauv koj lub voj nqe lus , feem ntau yog tom qab muaj xwm txheej yog hais tias . Hauv qhov kev pab cuam me me no, tus lej hloov pauv tau pib ntawm 0.
Tom qab ntawd, lo lus nug yog, puas tawg tawm yog hais tias Java? tawg tau xwb tawm tawm ntawm qhov chaw kaw lub voj los yog ib qho kev hloov pauv nqe lus (tib lub tswv yim zoo ib yam li kev kaw lub voj , tab sis nws yog qhov hloov nqe lus ). Yog a tawg nqe lus tshwm hauv ib yog lub cev, cia li tsis quav ntsej lub yog . Nrhiav qhov innermost enclosing lub voj los yog innermost hloov nqe lus.
Ib yam li ntawd, koj yuav xaus li cas?
YOG-THEN-ELSE-END IF
- cov logical-expression raug soj ntsuam, yielding ib tug logical nqi.
- yog tias qhov tshwm sim. TRUE., cov nqe lus hauv nqe lus-1 raug tua.
- yog tias qhov tshwm sim. FALSE., cov nqe lus hauv nqe lus-2 raug tua.
- tom qab ua tiav cov lus hais hauv nqe lus-1 lossis nqe lus-2, cov lus hauv qab no END IF raug tua.
Yuav ua li cas koj xaus ib nqe lus yog Java?
Yog neeg siv inputs tsis zoo naj npawb, so nqe lus hauv lub cev ntawm yog hais tias yog executed uas terminates while loop. Nyob rau hauv cov ntaub ntawv ntawm nested loops, tawg terminates lub innermost voj. Ntawm no, qhov so nqe lus terminates lub innermost thaum lub voj, thiab tswj jumps mus rau sab nrauv.
Pom zoo:
Thaum koj reboot koj lub kaw lus lub computer ua raws li pib cov lus qhia khaws cia rau hauv hom kev nco Pawg ntawm cov lus teb xaiv?
Teb Cov Kws Tshaj Lij Tshaj Lij Tshaj Tawm Ib lub khoos phis tawj pib cov lus qhia tau muab khaws cia rau hauv hom nco hu ua Flash. Flash nco tuaj yeem sau rau thiab nyeem los ntawm, tab sis nws cov ntsiab lus tsis raug tshem tawm tom qab lub khoos phis tawj kaw. Lub cim xeeb Flash no feem ntau hu ua BIOS (Basic Input Output System)
Yuav ua li cas koj sau ib qho IF THEN nqe lus hauv Java?
Java muaj cov ntsiab lus hauv qab no: Siv yog txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau ua tiav, yog tias qhov xwm txheej tshwj xeeb muaj tseeb. Siv lwm tus los qhia txog qhov thaiv ntawm cov lej kom raug tua, yog tias tib yam xwm txheej tsis tseeb. Siv lwm tus yog kom qhia meej qhov xwm txheej tshiab los sim, yog tias thawj qhov xwm txheej tsis tseeb
Koj yuav daws tau ib nqe lus koom haum li cas?
VIDEO Ib yam li ntawd, koj teb ib nqe lus koom haum li cas? (Lus Askiv) Nyeem tag nrho cov kab lus thaum sim nrhiav cov kab lus. Txiav txim siab ntawm kab lus thib ob los ntawm kev teeb tsa cov tswv yim los ntawm cov lus qhia hauv cov ntsiab lus thiab kab lus tsim.
Yuav ua li cas koj sau ib qho ntawm nqe lus hauv SQL?
SQL nruab nrab ntawm Syntax SELECT Kem NTAWM table_name NTAWM Kem BETWEEN tus nqi1 THIAB tus nqi2; Siv cov lus hais saum toj no, peb tuaj yeem txhais cov txiaj ntsig ua ib feem ntawm BETWEEN tus neeg teb xov tooj. Tsis tas li ntawd, cov syntax tau hais los saum toj no tseem zoo ib yam rau kev siv nrog tus lej lej, tus nqi ntawv, thiab hnub tus nqi
Koj yuav xaus li cas PHP nqe lus?
Kev qhia cais ¶ Ib yam li hauv C lossis Perl, PHP xav kom cov lus qhia raug txiav nrog lub cim ntawm qhov kawg ntawm txhua nqe lus. Qhov kaw tag ntawm ib qho thaiv ntawm PHP code cia li cuam tshuam ib qho semicolon; koj tsis tas yuav muaj ib qho semicolon xaus kab kawg ntawm PHP thaiv