Video: Puas yog Java Util hnub tsis lees paub?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Hnub tim Chav kawm. Muaj ntau txoj hauv kev java ua . siv . Hnub tim ua tau tsis pom zoo hauv kev pom zoo ntawm lwm cov APIs uas txhawb nqa thoob ntiaj teb zoo dua.
Ib yam li ntawd, nws tau nug, yog Java hnub deprecated?
Hnub tim nws tus kheej tsis yog tsis pom zoo . Nws tsuas yog ntau ntawm nws txoj kev yog. Saib ntawm no kom paub meej. Siv java ua.
Ib yam li ntawd, Java Util hnub twg muaj lub sijhawm? A java ua . siv . Hnub ua tsis yog muaj a thaj tsam txuam nrog nws. Nws txoj kev toString() yuav ua rau nws tshwm sim muaj a thaj tsam , tab sis tsis yog.
Tib neeg kuj nug, yog Java Util hnub xov zoo?
siv . Hnub xov - nyab xeeb . Hnub tim yog mutable, yog li nws tsis yog xov - nyab xeeb yog ntau xov sim nkag mus thiab hloov kho nws.
Puas yog Joda Lub Sijhawm tsis lees paub?
Cov lus tshaj tawm ntawm tus sau ntawm Joda - sij hawm nws tus kheej yog tsiv teb tsaws sai li Java-8 muaj. sij hawm (JSR-310). Yog li cov lus teb luv luv rau koj cov lus nug yog: YOG ( tsis pom zoo ).
Pom zoo:
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