linda kuze kuphele inqubo; ubuthongo bulala inani elithile lemizuzwana.
Uyini umehluko phakathi kokulinda nokulala?
Itshela umucu wokushaya (owaziwa ngokuthi Current Thread) ukuthi ulinde kuze kube yilapho omunye uchungechunge ecela indlela yokwazisa () noma yazisaAll() yale nto, Uchungechunge luyalinda. kuze kube yilapho iphinda ithola ubunikazi bokuqapha kanye Nokuqalisa Kokwenziwa Komsebenzi.
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Umehluko phakathi kokulinda nokulala e-Java.
| Linda() | Lala() |
|---|---|
| Ukulinda() akuyona indlela emile. | Ukulala () kuyindlela emile. |
Uyini umehluko phakathi kokulinda () nokulala () umyalo?
Java sleep() and wait() - Ingxoxo
Umehluko omkhulu wukuthi wait() ikhipha isikhiya noma imonitha ngenkathi i- sleep() ayikhiphi isikhiya noma imonitha ngenkathi ilindile. wait() isetshenziselwa ukuxhumana kwe-inter-thread ngenkathi i- sleep() isetshenziselwa ukwethula ukumisa lapho kwenziwa, ngokuvamile.
Uyini umyalo wokulinda ku-Linux?
ukulinda umyalo owakhelwe ngaphakathi we I-Linux elinda ukuqeda noma iyiphi inqubo esebenzayo. umyalo wokulinda usetshenziswa ne-id yenqubo ethile noma i-id yomsebenzi. … Uma ingekho i-id yenqubo noma i-id yomsebenzi enikezwa ngomyalo wokulinda lapho-ke izolinda ukuthi zonke izinqubo zamanje zengane ziqedele bese ibuyisela isimo sokuphuma.
Uyini umehluko phakathi kokulinda nokulala kokwazisa kanye nezindlela zokwazisaZonke?
The linda() indlela ibangela ukuthi umucu wamanje ulinde kuze kube yilapho omunye uchungechunge ucela izindlela zokwazisa() noma zokwazisaAll() zaleyo nto. Indlela yokwazisa () ivusa uchungechunge olulodwa olulinde kuqapha lwaleyo nto. Indlela ye-notifyAll() ivusa yonke imicu elindile kuqapha lwaleyo nto.
Buyini ubuhlobo phakathi kokulala nesisindo?
Ukulala nesisindo ukuhlobana phakathi kwenani lokulala umuntu alitholayo nesisindo salowo muntu. Ucwaningo oluningi luye lwabonisa ukuhlobana phakathi kokuphazamiseka kokulala nokuzuza isisindo, futhi ikakhulukazi, ukuthi ukungalali kuhlobene nokukhuluphala ngokweqile.
Kuyini ukulala () ku-Java?
Incazelo. I-java. lang. Uchungechunge. sleep(long millis) indlela kubangela ukuthi uchungechunge olusebenzayo njengamanje lulale ngenani elishiwo lama-millisecond, kungaphansi kokunemba nokunemba kwezibali sikhathi zesistimu nezihleli.
Kuyini ukulinda () ku-Java?
Kalula nje, wait() is indlela yesibonelo esetshenziselwa ukuvumelanisa intambo. Ingabizwa kunoma iyiphi into, njengoba ichazwa khona kanye ku-java. lang. Into, kodwa ingabizwa kuphela kubhulokhi evumelanisiwe. Idedela ingidi entweni ukuze enye intambo ingene futhi ithole ingidi.
Ulinda kanjani ku-terminal ye-Linux?
Indlela:
- Ukudala inqubo elula.
- Kusetshenziswa okuhlukile okukhethekile($!) ukuthola i-PID(i-ID yenqubo) yaleyo nqubo.
- Phrinta i-ID yenqubo.
- Ukusebenzisa umyalo wokulinda one-ID yenqubo njengengxabano yokulinda kuze kuphele inqubo.
- Ngemva kokuthi inqubo isiqedile ukuphrinta inqubo ye-ID nesimo sayo sokuphuma.
Kuyini && ku-bash?
4 Izimpendulo. "&&" ngu esetshenziswa ukuhlanganisa imiyalo, ukuze umyalo olandelayo uqaliswe uma futhi kuphela uma umyalo owanduleleyo uphume ngaphandle kwamaphutha (noma, ngokunembe kakhulu, uphuma ngekhodi yokubuyisela engu-0).
Ngisilinda kanjani iskripthi segobolondo?
Ukulinda ngokuvamile kusetshenziswa kumaskripthi egobolondo abangela izinqubo zengane ezisebenza ngokuhambisana. Ukukhombisa ukuthi umyalo usebenza kanjani, dala umbhalo olandelayo: #!/bin/bash sleep 30 & process_id=$! echo “PID: $process_id” wait $process_id echo “Phuma esimweni: $?”