Vim li cas cov neeg siv khoom thiab cov khoom siv tau siv hauv c ++?

Cov txheej txheem:

Vim li cas cov neeg siv khoom thiab cov khoom siv tau siv hauv c ++?
Vim li cas cov neeg siv khoom thiab cov khoom siv tau siv hauv c ++?

Video: Vim li cas cov neeg siv khoom thiab cov khoom siv tau siv hauv c ++?

Video: Vim li cas cov neeg siv khoom thiab cov khoom siv tau siv hauv c ++?
Video: Dab neeg keeb kwm Vim li cas Tsov, Hma, Aub thiab miv Siv nplaig yaim dej xwb haus tsis tau dej 2024, Hlis ntuj nqeg
Anonim

Lub hom phiaj ntawm kev siv getters thiab setters yog txhawm rau zais cov ntaub ntawv khaws cia thiab rov qab li casTxoj kev no, yog tias koj hloov tus cwj pwm, koj tsis tas yuav hloov tus lej. nyob rau hauv ib txhiab qhov chaw. Tab sis, yog tias koj tsis tas yuav hloov qhov kev siv, koj tau ua koj cov cai ntau dua thiab tau txais me ntsis los ntawm kev ua li ntawd.

Dab tsi yog getter thiab setter hauv C?

Lub getter muaj nuj nqi yog siv los muab cov nqi sib txawv thiab cov haujlwm setter yog siv los teeb tsa tus nqi sib txawv. Nco ntsoov: Koj tuaj yeem nkag mus ncaj qha rau pej xeem cov tswv cuab sib txawv, tab sis cov tswv cuab ntiag tug tsis tuaj yeem nkag mus tau. Yog li ntawd, peb xav tau kev ua haujlwm.

Vim li cas peb thiaj siv getters thiab setters hauv C ++?

Vim Li Cas Cov Chav Kawm Xav Tau Txais Cov Neeg Kawm thiab Cov Neeg Kawm

Lub rooj sib tham thaum tsim cov chav kawm C ++ yog kom cov tswv cuab sib txawv ntiag tug los tswj kev nkag mus rau lawv … Peb cov khoom taw qhia cov kev pab cuam tuaj yeem ua tau raws li cov ntaub ntawv teeb tsa thiab cov ntaub ntawv rov qab xav tau los ntawm kev muab tus neeg txais thiab teeb tsa cov tswv cuab ua haujlwm ua ib feem ntawm chav kawm interface.

Dab tsi yog qhov tseem ceeb ntawm cov neeg txais khoom thiab cov neeg teev khoom?

Getters thiab setters yog cov txheej txheem siv los tshaj tawm lossis tau txais qhov txiaj ntsig ntawm qhov hloov pauv, feem ntau yog tus kheej. Lawv tseem ceeb heev vim nws tso cai rau qhov chaw nruab nrab uas muaj peev xwm tswj tau cov ntaub ntawv ua ntej tshaj tawm lossis xa rov qab mus rau tus tsim tawm.

Qhov txiaj ntsig ntawm kev siv cov khoom nrog getters thiab setters yog dab tsi?

Getter thiab Setter txoj kev tau txais thiab teeb tsa cov khoom ntawm ib qho khoom. Qhov zoo: Koj tuaj yeem tshawb xyuas seb cov ntaub ntawv tshiab puas siv tau ua ntej teeb tsa cov cuab yeej . Koj tuaj yeem ua qhov kev txiav txim ntawm cov ntaub ntawv uas koj tau txais lossis teeb tsa ntawm lub cuab yeej.