Kuxazululiwe: phuma ku-jshell

Lesi sihloko sizokhuluma ngendlela yokuphuma ku-jshell okuyithuluzi le-Java Shell elethulwe nge-Java 9. Kufana ne-REPL esekelwe kumugqa womyalo (Funda-Hlola-Phrinta Loop) ekuvumela ukuthi uhlole ngokushesha amazwibela akho ekhodi ye-Java. Kodwa-ke, kungase kube nezikhathi lapho ufuna ukuphuma ku-jshell futhi ubuyele kumyalo wakho wesistimu yokusebenza. Ngalokho, sizoqala ngokuhlinzeka ngesixazululo senkinga, silandelwe ukulandelwa kwekhodi okuphelele. Lesi sihloko sihlanganisa imininingwane emayelana namalabhulali ahlobene, imisebenzi, nokuningi.

Iphuma ku-jshell kulula njengokubhala / phuma bese ucindezela u-Enter. Kodwa-ke, ukuqonda umongo walokhu kusebenza kubalulekile kuwo wonke umthuthukisi we-Java. Iqinisekisa ukusebenzisana okushelelayo ne-jshell futhi ithuthukisa ukusebenza kahle kwakho konke ukubhala amakhodi.

/exit

I-Anatomy ye-Command / exit

Umyalo / ukuphuma ungomunye wemiyalo eminingi ye-meta esekelwa yi-jshell. Le meta-miyalo iqala ngohlamvu futhi ayiyona ingxenye yolimi lwe-Java. Zisetshenziselwa ukulawula ukuziphatha kweseshini ye-jshell.

Umyalo / ukuphuma usetshenziselwa ukuqeda iseshini ye-jshell nokubuyisela ukulawula ohlelweni lokusebenza. Uma ubhala /uphuma bese ucindezela u-Enter, ithumela umyalo wokuphuma ku-jshell, obese unqamula iseshini.

Ukuqonda ngemininingwane yale meta-miyalo kungathuthukisa ukusebenza kahle kwakho ngenkathi usebenza ne-Java's REPL.

Ukuqonda Eminye I-Meta-Commands

Ukuqonda eminye imiyalo ku-Jshell kubaluleke ngokufanayo. Isibonelo, /help ihlinzeka ngohlu lwayo yonke imetha-miyalo. /uhlu lubonisa wonke amazwibela owafakile phakathi neseshini. /gcina igama lefayela kungagcina amazwibela esikhathi sakho efayeleni. Le miyalo idlala indima ebalulekile ekwenzeni okuhle ku-jshell.

/help
/list
/save filename

Njengoba nje / ukuphuma kunqamula iseshini yakho, le meta-miyalo ikuvumela ukuthi ulawule, ulondoloze, futhi ubuyise umsebenzi wakho ngempumelelo. Ngokwazi ukusebenzisa le miyalo, uzoba nekhono lokuzulazula ku-jshell futhi wenze lula imisebenzi yakho yokuthuthukisa i-Java.

Ekuphetheni, i-jshell iyithuluzi elinamandla elivumela abathuthukisi be-Java ukuthi bahlole amazwibela wekhodi ngokushesha nangempumelelo. Umyalo / ukuphuma kanye neminye imiyalo ye-meta idlala indima ebalulekile ekulawuleni ukuziphatha kwe-Java REPL, ngaleyo ndlela iqinisekise ukuzizwisa okuphelele kokuthuthukiswa kwe-Java.

Okuthunyelwe okuhlobene:

Shiya amazwana