2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
3 Teb. Koj tsis tuaj yeem hloov kho qhov Sau thaum rov ua dua nws siv Iterator, tsuas yog Iterator. tshem tawm. Qhov no yuav ua haujlwm tshwj tsis yog thaum daim ntawv pib iteration npliag, qhov twg yuav tsis muaj qhov dhau los.
Peb puas tuaj yeem hloov kho sau thaum rov ua dua?
Nyob rau-txhua lub voj, peb tsis tuaj yeem hloov kho sau, nws yuav cuam tshuam ConcurrentModificationException ntawm qhov tod tes nrog iterator peb tuaj yeem hloov kho sau.
Peb puas tuaj yeem ntxiv cov khoom rau ArrayList thaum rov ua dua?
3. ArrayList listIterator - Ntxiv / Tshem tawm. ListIterator txhawb ntxiv thiab tshem tawm cov ntsiab lus hauv cov npe thaum peb tab tom rov ua dua nws.
Yuav ua li cas ntxiv rau ib daim ntawv thaum rov hais dua?
Siv npe. append rau ntxiv cov ntsiab lus rau ib daim ntawv thaum iterating hla cov npe
- a_list=["a", "b", "c"
- list_length=len(a_list)
- rau kuv hauv ntau yam (list_length):
- a_list. append("New Element")
- print(a_list)
Peb puas tuaj yeem ntxiv cov ntsiab lus siv iterator?
The Java Tutorial los ntawm Sun qhia qhov no tsis tuaj yeem: "Nco ntsoov tias Iterator. tshem tawm yog tib txoj hauv kev nyab xeeb los hloov kho cov khoom sau thaum iteration; tus cwj pwm tsis raug qhia yog tias qhov sau hauv qab tau hloov pauv lwm txoj hauv kev thaum lub iteration tab tom ua."
Pom zoo:
Cov lus nug puas tuaj yeem yog cov ntsiab lus?
Ib qho lus nug sib txuas tuaj yeem yog cov ntsiab lus lossis cov khoom ntawm cov lus qhia hauv lwm nqe lus. Leej twg hais rau koj tias yog dag. Koj tuaj yeem yuav leej twg koj nyiam. Nws yuav noj txhua yam uas nws pub. Cov kab lus nug puas muaj cov ntsiab lus?
Koj puas tuaj yeem rov qab tau cov ntaub ntawv tom qab rov ua dua?
Yes! Nws yog ua tau thiab tsis tas yuav txhawj xeeb txog cov ntaub ntawv poob txij li cov ntaub ntawv rov qab los ntawm lub hard drive tom qab rov ua dua tuaj yeem ua tiav nrog kev pab los ntawm kev hard drive cov ntaub ntawv rov qab software los ntawm Remo.
Ntxiv ntxiv ntxiv ntxiv lawm?
Ntxiv mus yog nce qib nce los ntawm ntxiv. Tsis tas li ntawd yog qhov yooj yim ntxiv, ntxiv yog ntxiv thiab ua kom muaj kev sib cav, qhov ntxiv yog ntxiv, nce kev sib cav, thiab qhia tias qhov laj thawj ntxiv yog qhov sib txawv dua li qhov laj thawj yav dhau los.
Koj puas tuaj yeem txuas ntxiv ntxiv rau cov chiv?
Koj tuaj yeem ntxiv rau cov kab mob khaub thuas txias maj mam dhau sijhawm. Nco ntsoov tias koj yuav tau txais cov compost npaj qeeb qeeb. Qhov nruab nrab, cov compost nrog txoj kev passive yuav siv li ib xyoos lossis ob xyoos ua ntej koj tuaj yeem siv hauv koj lub vaj.
Puas yog cov ntawv txuas ntxiv suav nrog hauv cov ntsiab lus?
Cov ntawv txuas ntxiv. Ib qho tseem ceeb uas yuav tsum nco ntsoov thaum hais txog cov ntawv txuas ntxiv yog qhov cov lus txuas ntxiv yuav tsum suav nrog hauv Cov Ntsiab Lus, tab sis txhua tus neeg ntxiv tsis tuaj yeem suav nrog. Yuav ua li cas koj ntxiv ib daim ntawv ntxiv rau cov ntsiab lus?
