Cov txheej txheem:
Video: Kuv yuav kaw qhov rais Java li cas?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Muaj ob txoj hauv kev kaw lub qhov rais:
- Pov tseg cov qhov rai tom qab lub kaw khawm yog nyem: Hu rau txoj kev pov tseg hauv qhov raisClosing method. ncej.
- Tshem tawm qhov program tom qab lub kaw khawm tau nyem: Hu rau System. txoj kev tawm hauv qhov raisClosing method.
Ib yam li ntawd, nws tau nug, Kuv yuav kaw Java li cas?
Yog koj xav tau kaw los yog txiav koj java ua daim ntawv thov ua ntej no, koj txoj kev xaiv tsuas yog siv System. tawm (int status) los yog Runtime. getRuntime(). tawm ().
Tom qab, lo lus nug yog, dab tsi yog pov tseg hauv Java? pov tseg () txoj kev pab kom meej cov peev txheej ntawm txhua lub thav duab / UI tivthaiv qhov System. tawm () terminates abruptly. pov tseg () ua tsis kaw VM qhov System. tawm () kaw lub kaw lus thiab tshem tawm / tso tawm txhua tus tuav uas qhib.
Tsis tas li ntawd, kuv yuav kaw JFrame li cas yam tsis tawm?
Tsis muaj txoj hauv kev kaw a JFrame thiab nws yuav tsum cia li muab zais. Yog tias koj ntshai nws noj cov khoom siv hauv lub cev, koj tuaj yeem dereference nws thiab tos kom cov khib nyiab tshem tawm.
Koj yuav tsum kaw Java scanner?
Yog koj ua tsis yog kaw tus tshuab luam ntawv chav kawm nws yuav tsim cov lus ceeb toom zoo li Resource leak. Cov ntaub ntawv xau tshwm sim thaum qhov kev zov me nyuam tsis tso cov peev txheej uas nws tau txais. Yog li peb qhia meej kaw () cov txheej txheem los tso cov peev txheej. CEEB TOOM: Cov khib nyiab hauv java ua tsuas tuaj yeem tswj cov peev txheej nco.
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