Пошаговое руководство по charAt на Java

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–ú–µ—Ç–æ–¥ Java charAt () –≤–æ–∑–≤—Ä–∞—â–∞–µ—Ç —Å–∏–º–≤–æ–ª –≤ –æ–ø—Ä–µ–¥–µ–ª–µ–Ω–Ω–æ–π –ø–æ–∑–∏—Ü–∏–∏ –∏–Ω–¥–µ–∫—Å–∞ –≤ —Å—Ç—Ä–æ–∫–µ. –ü–µ—Ä–≤—ã–π —Å–∏–º–≤–æ–ª –≤ —Å—Ç—Ä–æ–∫–µ –∏–º–µ–µ—Ç –ø–æ–∑–∏—Ü–∏—é –∏–Ω–¥–µ–∫—Å–∞ 0. charAt () –≤–æ–∑–≤—Ä–∞—â–∞–µ—Ç –æ–¥–∏–Ω —Å–∏–º–≤–æ–ª. –û–Ω –Ω–µ –≤–æ–∑–≤—Ä–∞—â–∞–µ—Ç –¥–∏–∞–ø–∞–∑–æ–Ω —Å–∏–º–≤–æ–ª–æ–≤.

–ö–æ–≥–¥–∞ –≤—ã —Ä–∞–±–æ—Ç–∞–µ—Ç–µ —Å–æ —Å—Ç—Ä–æ–∫–∞–º–∏ –≤ Java, –≤—ã –º–æ–∂–µ—Ç–µ –∑–∞—Ö–æ—Ç–µ—Ç—å —É–∑–Ω–∞—Ç—å, –∫–∞–∫–æ–π —Å–∏–º–≤–æ–ª –Ω–∞—Ö–æ–¥–∏—Ç—Å—è –≤ –æ–ø—Ä–µ–¥–µ–ª–µ–Ω–Ω–æ–π –ø–æ–∑–∏—Ü–∏–∏ –≤ —Å—Ç—Ä–æ–∫–µ.

–ó–¥–µ—Å—å –∏ –ø—Ä–∏–≥–æ–¥–∏—Ç—Å—è –º–µ—Ç–æ–¥ charAt (). –ú–µ—Ç–æ–¥ Java charAt () –∏—Å–ø–æ–ª—å–∑—É–µ—Ç—Å—è –¥–ª—è –ø–æ–∏—Å–∫–∞ —Å–∏–º–≤–æ–ª–∞, —Å–≤—è–∑–∞–Ω–Ω–æ–≥–æ —Å –æ–ø—Ä–µ–¥–µ–ª–µ–Ω–Ω–æ–π –ø–æ–∑–∏—Ü–∏–µ–π –≤ —Å—Ç—Ä–æ–∫–µ. . –û–Ω —Ç–∞–∫–∂–µ –º–æ–∂–µ—Ç –≤–æ–∑–≤—Ä–∞—â–∞—Ç—å –Ω–µ—Å–∫–æ–ª—å–∫–æ —Å–∏–º–≤–æ–ª–æ–≤ –≤ —Å—Ç—Ä–æ–∫–µ.

–ù–∞–ø—Ä–∏–º–µ—Ä, —Å–∫–∞–∂–µ–º, –≤—ã –ø–∏—à–µ—Ç–µ –ø—Ä–æ–≥—Ä–∞–º–º—É, –∫–æ—Ç–æ—Ä–∞—è –∏–∑–≤–ª–µ–∫–∞–µ—Ç –º–µ—Å—Ç–æ–ø–æ–ª–æ–∂–µ–Ω–∏—è, —Å–≤—è–∑–∞–Ω–Ω—ã–µ —Å —Ç–µ–ª–µ—Ñ–æ–Ω–Ω—ã–º –∫–æ–¥–æ–º –°–®–ê. –í—ã –º–æ–∂–µ—Ç–µ –ø–æ–ª—É—á–∏—Ç—å –ø–µ—Ä–≤—ã–µ —Ç—Ä–∏ —Å–∏–º–≤–æ–ª–∞ —Å—Ç—Ä–æ–∫–∏, —Å–æ–¥–µ—Ä–∂–∞—â–µ–π –Ω–æ–º–µ—Ä —Ç–µ–ª–µ—Ñ–æ–Ω–∞.

–í —ç—Ç–æ–º —Ä—É–∫–æ–≤–æ–¥—Å—Ç–≤–µ –±—É–¥–µ—Ç –æ–±—Å—É–∂–¥–∞—Ç—å—Å—è, –∫–∞–∫ –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å charAt () –≤ Java, —Å–æ —Å—Å—ã–ª–∫–æ–π –Ω–∞ examples /

Java String Refresher

–°—Ç—Ä–æ–∫–∏ - –≤–∞–∂–Ω—ã–π —Ç–∏–ø –¥–∞–Ω–Ω—ã—Ö –≤ –ª—é–±–æ–º —è–∑—ã–∫–µ –ø—Ä–æ–≥—Ä–∞–º–º–∏—Ä–æ–≤–∞–Ω–∏—è, –ø–æ—Ç–æ–º—É —á—Ç–æ –æ–Ω–∏ –ø–æ–∑–≤–æ–ª—è—é—Ç –≤–∞–º —Ä–∞–±–æ—Ç–∞—Ç—å —Å —Ç–µ–∫—Å—Ç–æ–≤—ã–º–∏ –¥–∞–Ω–Ω—ã–º–∏ –≤ –≤–∞—à–µ–º –∫–æ–¥–µ. –í Java —Å—Ç—Ä–æ–∫–∏ –∑–∞–∫–ª—é—á–∞—é—Ç—Å—è –≤ –¥–≤–æ–π–Ω—ã–µ –∫–∞–≤—ã—á–∫–∏ (" "). –í–æ—Ç –ø—Ä–∏–º–µ—Ä –æ–±—ä—è–≤–ª–µ–Ω–∏—è —Å—Ç—Ä–æ–∫–∏ –≤ Java:

–ü–µ—Ä–µ–º–µ–Ω–Ω–∞—è company, –∫–æ—Ç–æ—Ä—É—é –º—ã –æ–ø—Ä–µ–¥–µ–ª–∏–ª–∏ –≤—ã—à–µ, –±—É–¥–µ—Ç –∏–º–µ—Ç—å —Å–ª–µ–¥—É—é—â–∏–µ –∑–Ω–∞—á–µ–Ω–∏—è –∏–Ω–¥–µ–∫—Å–∞:

G o o g l e
1 2 3 4 5

–ü–µ—Ä–≤–∞—è –±—É–∫–≤–∞ " G " –±—É–¥–µ—Ç –∏–º–µ—Ç—å –∏–Ω–¥–µ–∫—Å 0, –∞ –±—É–∫–≤–∞ " L " –∏–º–µ–µ—Ç –∏–Ω–¥–µ–∫—Å 4.

81% —É—á–∞—Å—Ç–Ω–∏–∫–æ–≤ –∑–∞—è–≤–∏–ª–∏, —á—Ç–æ –æ–Ω–∏ –ø–æ—á—É–≤—Å—Ç–≤–æ–≤–∞–ª–∏ —Å–µ–±—è –±–æ–ª–µ–µ —É–≤–µ—Ä–µ–Ω–Ω—ã–º–∏ –≤ —Å–≤–æ–∏—Ö –ø–µ—Ä—Å–ø–µ–∫—Ç–∏–≤–∞—Ö —Ç—Ä—É–¥–æ—É—Å—Ç—Ä–æ–π—Å—Ç–≤–∞ –≤ —Å—Ñ–µ—Ä–µ –≤—ã—Å–æ–∫–∏—Ö —Ç–µ—Ö–Ω–æ–ª–æ–≥–∏–π –ø–æ—Å–ª–µ –ø–æ—Å–µ—â–µ–Ω–∏—è —É—á–µ–±–Ω–æ–≥–æ –ª–∞–≥–µ—Ä—è. –ü—Ä–æ–π–¥–∏—Ç–µ —É—á–µ–±–Ω—ã–π –∫—É—Ä—Å —Å–µ–≥–æ–¥–Ω—è.

–°—Ä–µ–¥–Ω–∏–π –≤—ã–ø—É—Å–∫–Ω–∏–∫ —É—á–µ–±–Ω–æ–≥–æ –ª–∞–≥–µ—Ä—è –ø–æ—Ç—Ä–∞—Ç–∏–ª –º–µ–Ω–µ–µ —à–µ—Å—Ç–∏ –º–µ—Å—è—Ü–µ–≤ –Ω–∞ —Å–º–µ–Ω—É –∫–∞—Ä—å–µ—Ä—ã, –æ—Ç –Ω–∞—á–∞–ª–∞ —É—á–µ–±–Ω–æ–≥–æ –ª–∞–≥–µ—Ä—è –¥–æ –ø–æ–∏—Å–∫–∞ —Å–≤–æ–µ–π –ø–µ—Ä–≤–æ–π —Ä–∞–±–æ—Ç—ã.

–í—Å—Ç—Ä–æ–µ–Ω–Ω–∞—è —Å—Ç—Ä–æ–∫–∞ Java –ú–µ—Ç–æ–¥ charAt () –≤–æ–∑–≤—Ä–∞—â–∞–µ—Ç —Å–∏–º–≤–æ–ª –≤ –æ–ø—Ä–µ–¥–µ–ª–µ–Ω–Ω–æ–π –ø–æ–∑–∏—Ü–∏–∏ –∏–Ω–¥–µ–∫—Å–∞ –≤ —Å—Ç—Ä–æ–∫–µ. –ü–µ—Ä–≤—ã–π —Å–∏–º–≤–æ–ª –∏–º–µ–µ—Ç –∏–Ω–¥–µ–∫—Å–Ω–æ–µ –∑–Ω–∞—á–µ–Ω–∏–µ 0 –∏ —Ç–∞–∫ –¥–∞–ª–µ–µ –¥–ª—è –ø–æ—Å–ª–µ–¥—É—é—â–∏—Ö —Å–∏–º–≤–æ–ª–æ–≤ –≤ —Å—Ç—Ä–æ–∫–µ.

–ï—Å–ª–∏ –≤—ã —Ö–æ—Ç–∏—Ç–µ –ø–æ–ª—É—á–∏—Ç—å –ø–µ—Ä–≤—ã–π —Å–∏–º–≤–æ–ª –≤ —Å—Ç—Ä–æ–∫–µ –∏–ª–∏, –Ω–∞–ø—Ä–∏–º–µ—Ä, –¥–µ–≤—è—Ç—ã–π, –≤—ã –º–æ–∂–µ—Ç–µ –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å charAt (). –°–∏–Ω—Ç–∞–∫—Å–∏—Å –º–µ—Ç–æ–¥–∞ charAt () —Å–ª–µ–¥—É—é—â–∏–π:

charAt () –ø—Ä–∏–Ω–∏–º–∞–µ—Ç –æ–¥–∏–Ω –ø–∞—Ä–∞–º–µ—Ç—Ä: –ø–æ–∑–∏—Ü–∏—é –∏–Ω–¥–µ–∫—Å–∞ –¥–ª—è —Å–∏–º–≤–æ–ª, –∫–æ—Ç–æ—Ä—ã–π –≤—ã —Ö–æ—Ç–∏—Ç–µ –ø–æ–ª—É—á–∏—Ç—å.

charAt Java Example

–î–æ–ø—É—Å—Ç–∏–º, —É –Ω–∞—Å –µ—Å—Ç—å –∫–æ—Ñ–µ–π–Ω—è. –ú—ã –ø—Ä–µ–¥–ª–∞–≥–∞–µ–º —Å–∫–∏–¥–∫—É 5% –≤—Å–µ–º –∫–ª–∏–µ–Ω—Ç–∞–º, –∏–º–µ–Ω–∞ –∫–æ—Ç–æ—Ä—ã—Ö –Ω–∞—á–∏–Ω–∞—é—Ç—Å—è —Å –±—É–∫–≤—ã G. –≠—Ç–æ —á–∞—Å—Ç—å —Ä–µ–∫–ª–∞–º–Ω–æ–π –∞–∫—Ü–∏–∏, –Ω–∞–ø—Ä–∞–≤–ª–µ–Ω–Ω–æ–π –Ω–∞ –ø–æ–≤—ã—à–µ–Ω–∏–µ –ø—Ä–æ–¥–∞–∂ –∏ –ø—Ä–∏–≤–ª–µ—á–µ–Ω–∏–µ –±–æ–ª—å—à–µ–≥–æ –∫–æ–ª–∏—á–µ—Å—Ç–≤–∞ –ª—é–¥–µ–π –≤ –º–∞–≥–∞–∑–∏–Ω.

–ú—ã —Ö–æ—Ç–∏–º —Å–æ–∑–¥–∞—Ç—å –ø—Ä–æ–≥—Ä–∞–º–º—É, –∫–æ—Ç–æ—Ä–∞—è –∏–∑–≤–ª–µ–∫–∞–µ—Ç –ø–µ—Ä–≤—É—é –±—É–∫–≤—É –∏–º–µ–Ω–∏, –¥–∞–Ω–Ω–æ–≥–æ –±–∞—Ä–∏—Å—Ç–∞. –ú—ã –º–æ–≥–ª–∏ –±—ã —Å–¥–µ–ª–∞—Ç—å —ç—Ç–æ, –∏—Å–ø–æ–ª—å–∑—É—è —Å–ª–µ–¥—É—é—â–∏–π –∫–æ–¥:

–ö–æ–≥–¥–∞ –º—ã –∑–∞–ø—É—Å–∫–∞–µ–º –Ω–∞—à –∫–æ–¥, –ø—Ä–æ–≥—Ä–∞–º–º–∞ –≤–æ–∑–≤—Ä–∞—â–∞–µ—Ç —Å–ª–µ–¥—É—é—â–∏–π –æ—Ç–≤–µ—Ç:

–°–Ω–∞—á–∞–ª–∞ –º—ã —Å–æ–∑–¥–∞–µ–º –∫–ª–∞—Å—Å —Å –∏–º–µ–Ω–µ–º GetFirstLetter, –≤ –∫–æ—Ç–æ—Ä–æ–º —Ö—Ä–∞–Ω–∏—Ç—Å—è –Ω–∞—à –∫–æ–¥. –ó–∞—Ç–µ–º –º—ã –æ–ø—Ä–µ–¥–µ–ª–∏–ª–∏ –ø–µ—Ä–µ–º–µ–Ω–Ω—É—é Java —Å –∏–º–µ–Ω–µ–º name. –í —ç—Ç–æ–π —Å—Ç—Ä–æ–∫–µ —Ö—Ä–∞–Ω–∏—Ç—Å—è –∏–º—è –Ω–∞—à–µ–≥–æ –∫–ª–∏–µ–Ω—Ç–∞. –í –¥–∞–Ω–Ω–æ–º —Å–ª—É—á–∞–µ –∏–º—è –Ω–∞—à–µ–≥–æ –∫–ª–∏–µ–Ω—Ç–∞ –±—ã–ª–æ –ì—Ä—ç–º –•–µ–Ω–¥–µ—Ä—Å–æ–Ω. –ú—ã —Ä–µ—à–∏–ª–∏ –ø–∏—Å–∞—Ç—å –∏–º–µ–Ω–∞ –∫–ª–∏–µ–Ω—Ç–æ–≤ –∑–∞–≥–ª–∞–≤–Ω—ã–º–∏ –±—É–∫–≤–∞–º–∏, —á—Ç–æ–±—ã —É–º–µ–Ω—å—à–∏—Ç—å –≤–µ—Ä–æ—è—Ç–Ω–æ—Å—Ç—å –Ω–µ–ø—Ä–∞–≤–∏–ª—å–Ω–æ–≥–æ —á—Ç–µ–Ω–∏—è –∏–º–µ–Ω–∏.

–í —Å–ª–µ–¥—É—é—â–µ–π —Å—Ç—Ä–æ–∫–µ, –º—ã –æ–ø—Ä–µ–¥–µ–ª—è–µ–º –ø–µ—Ä–µ–º–µ–Ω–Ω—É—é —Å –∏–º–µ–Ω–µ–º letter. –ú—ã –∏—Å–ø–æ–ª—å–∑–æ–≤–∞–ª–∏ —Å–∏–º–≤–æ–ª " char " —Ç–∏–ø –¥–∞–Ω–Ω—ã—Ö, –ø–æ—Ç–æ–º—É —á—Ç–æ letter –±—É–¥–µ—Ç —Ö—Ä–∞–Ω–∏—Ç—å —Ç–æ–ª—å–∫–æ –æ–¥–∏–Ω —Å–∏–º–≤–æ–ª.

–ú—ã –ø—Ä–∏—Å–≤–∞–∏–≤–∞–µ–º —ç—Ç–æ–π –ø–µ—Ä–µ–º–µ–Ω–Ω–æ–π –∑–Ω–∞—á–µ–Ω–∏–µ name.charAt (0). –≠—Ç–æ –≤–æ–∑–≤—Ä–∞—â–∞–µ—Ç –ø–µ—Ä–≤—ã–π —Å–∏–º–≤–æ–ª –≤ –Ω–∞—à–µ–π —Å—Ç—Ä–æ–∫–µ. –î—Ä—É–≥–∏–º–∏ —Å–ª–æ–≤–∞–º–∏, –º—ã –ø–æ–ª—É—á–∞–µ–º —Å–∏–º–≤–æ–ª —Å–æ –∑–Ω–∞—á–µ–Ω–∏–µ–º –∏–Ω–¥–µ–∫—Å–∞ 0. –í —ç—Ç–æ–º —Å–ª—É—á–∞–µ –º–µ—Ç–æ–¥ charAt () –≤–µ—Ä–Ω—É–ª —Å–∏–º–≤–æ–ª G.

–ó–∞—Ç–µ–º , –º—ã –≤—ã–≤–æ–¥–∏–º –Ω–∞ –∫–æ–Ω—Å–æ–ª—å —Å–æ–æ–±—â–µ–Ω–∏–µ, –∫–æ—Ç–æ—Ä–æ–µ —Å–æ–æ–±—â–∏–ª–æ –Ω–∞–º —Å–∏–º–≤–æ–ª –ø–æ —É–∫–∞–∑–∞–Ω–Ω–æ–º—É –∏–Ω–¥–µ–∫—Å—É, –∫–æ—Ç–æ—Ä—ã–π –≤ –¥–∞–Ω–Ω–æ–º —Å–ª—É—á–∞–µ —Ä–∞–≤–µ–Ω 1.

–ü–æ–ª—É—á–∏—Ç—å –¥—Ä—É–≥–æ–π —Å–∏–º–≤–æ–ª

–ï—Å–ª–∏ –±—ã –º—ã —Ö–æ—Ç–µ–ª–∏ –ø–æ–ª—É—á–∏—Ç—å –≤—Ç–æ—Ä–æ–π —Å–∏–º–≤–æ–ª–∞ –≤ —Å—Ç—Ä–æ–∫–µ, –º—ã –º–æ–≥–ª–∏ –±—ã –≤–Ω–µ—Å—Ç–∏ —Å–ª–µ–¥—É—é—â–∏–µ –∏–∑–º–µ–Ω–µ–Ω–∏—è –≤ –Ω–∞—à –∫–æ–¥:

–ú—ã –≤–Ω–µ—Å–ª–∏ –¥–≤–∞ –∏–∑–º–µ–Ω–µ–Ω–∏—è. –í–æ-–ø–µ—Ä–≤—ã—Ö, –º—ã –∏–∑–º–µ–Ω–∏–ª–∏ –Ω–æ–º–µ—Ä –∏–Ω–¥–µ–∫—Å–∞ –≤ –º–µ—Ç–æ–¥–µ charAt () int index –Ω–∞ 1, –∫–æ—Ç–æ—Ä—ã–π –ø—Ä–µ–¥—Å—Ç–∞–≤–ª—è–µ—Ç –≤—Ç–æ—Ä–æ–π —Å–∏–º–≤–æ–ª –≤ –Ω–∞—à–µ–π —Å—Ç—Ä–æ–∫–µ. –í–æ-–≤—Ç–æ—Ä—ã—Ö, –º—ã –∏–∑–º–µ–Ω–∏–ª–∏ —Å–æ–æ–±—â–µ–Ω–∏–µ –ø–µ—á–∞—Ç–∏ –Ω–∞ –í—Ç–æ—Ä–∞—è –±—É–∫–≤–∞ & hellip; –≤–º–µ—Å—Ç–æ –ü–µ—Ä–≤–∞—è –±—É–∫–≤–∞ & hellip;.

–ù–∞—à –∫–æ–¥ –≤–æ–∑–≤—Ä–∞—â–∞–µ—Ç: R. –≠—Ç–æ –Ω–æ–≤–∞—è —Å—Ç—Ä–æ–∫–∞. –ù–∞—à–∞ –∏—Å—Ö–æ–¥–Ω–∞—è —Å—Ç—Ä–æ–∫–∞ –Ω–µ –±—ã–ª–∞ –∏–∑–º–µ–Ω–µ–Ω–∞.

–ö–∞–∫ –≤–∏–¥–∏—Ç–µ, –Ω–∞—à –∫–æ–¥ –ø–æ–ª—É—á–∏–ª –≤—Ç–æ—Ä–æ–π —Å–∏–º–≤–æ–ª –≤ –Ω–∞—à–µ–π —Å—Ç—Ä–æ–∫–µ.

Java String charAt: –ø—Ä–∏–º–µ—Ä –ø–æ—è–≤–ª–µ–Ω–∏—è —Å—á–µ—Ç—á–∏–∫–∞

One –ü–æ–ª–µ–∑–Ω–æ–µ –ø—Ä–∏–º–µ–Ω–µ–Ω–∏–µ –º–µ—Ç–æ–¥–∞ charAt () –∑–∞–∫–ª—é—á–∞–µ—Ç—Å—è –≤ –∞–ª–≥–æ—Ä–∏—Ç–º–µ –ø–æ–¥—Å—á–µ—Ç–∞ –≤—Ö–æ–∂–¥–µ–Ω–∏–π. –ê–ª–≥–æ—Ä–∏—Ç–º—ã –ø–æ–¥—Å—á–µ—Ç–∞ –≤—Ö–æ–∂–¥–µ–Ω–∏–π –ø–æ–¥—Å—á–∏—Ç—ã–≤–∞—é—Ç, —Å–∫–æ–ª—å–∫–æ —Ä–∞–∑ –∫–æ–Ω–∫—Ä–µ—Ç–Ω–æ–µ –∑–Ω–∞—á–µ–Ω–∏–µ –ø–æ—è–≤–ª—è–µ—Ç—Å—è –≤ —Å—Ç—Ä–æ–∫–µ, —Å–ø–∏—Å–∫–µ –∏–ª–∏ –¥—Ä—É–≥–æ–º –ø–æ–≤—Ç–æ—Ä—è–µ–º–æ–º –æ–±—ä–µ–∫—Ç–µ.

–î–∞–≤–∞–π—Ç–µ –≤–µ—Ä–Ω–µ–º—Å—è –≤ –∫–æ—Ñ–µ–π–Ω—é. –ü—Ä–µ–¥–ø–æ–ª–æ–∂–∏–º, —á—Ç–æ —Å–ª–∏—à–∫–æ–º –º–Ω–æ–≥–æ –∫–ª–∏–µ–Ω—Ç–æ–≤ –∑–∞–ø—Ä–∞—à–∏–≤–∞–ª–∏ –Ω–∞—à—É —Å–∫–∏–¥–∫—É, –ø–æ—Ç–æ–º—É —á—Ç–æ G - —ç—Ç–æ –æ—á–µ–Ω—å —Ä–∞—Å–ø—Ä–æ—Å—Ç—Ä–∞–Ω–µ–Ω–Ω–∞—è –ø–µ—Ä–≤–∞—è –±—É–∫–≤–∞ –≤ –∏–º–µ–Ω–∏. –ú—ã —Ä–µ—à–∏–ª–∏ –∏–∑–º–µ–Ω–∏—Ç—å –Ω–∞—à—É —Å–¥–µ–ª–∫—É, —á—Ç–æ–±—ã –≤—ã –º–æ–≥–ª–∏ –°–∫–∏–¥–∫–∞ 5% –Ω–∞ –≤–∞—à—É –ø–æ–∫—É–ø–∫—É, —Ç–æ–ª—å–∫–æ –µ—Å–ª–∏ –≤–∞—à–µ –∏–º—è —Å–æ–¥–µ—Ä–∂–∏—Ç –±–æ–ª–µ–µ –¥–≤—É—Ö G " s.

–í–æ—Ç –∫–æ–¥, –∫–æ—Ç–æ—Ä—ã–π –º—ã –º–æ–≥–ª–∏ –±—ã –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å, —á—Ç–æ–±—ã –≤—ã—á–∏—Å–ª–∏—Ç—å, –∏–º–µ–µ—Ç –ª–∏ –∫–ª–∏–µ–Ω—Ç –ø—Ä–∞–≤–æ –Ω–∞ –Ω–∞—à—É —Å–∫–∏–¥–∫—É:

–ö–æ–≥–¥–∞ –º—ã –∑–∞–ø—É—Å–∫–∞–µ–º –Ω–∞—à –∫–æ–¥, –ø—Ä–æ–≥—Ä–∞–º–º–∞ –≤–æ–∑–≤—Ä–∞—â–∞–µ—Ç —Å–ª–µ–¥—É—é—â–∏–π –æ—Ç–≤–µ—Ç:

"–ö–∞—Ä—å–µ—Ä–Ω–∞—è –∫–∞—Ä–º–∞ –≤–æ—à–ª–∞ –≤ –º–æ—é –∂–∏–∑–Ω—å —Ç–æ–≥–¥–∞, –∫–æ–≥–¥–∞ —è –±–æ–ª—å—à–µ –≤—Å–µ–≥–æ –≤ –Ω–µ–π –Ω—É–∂–¥–∞–ª–∞—Å—å, –∏ –±—ã—Å—Ç—Ä–æ –ø–æ–º–æ–≥–ª–∞ –º–Ω–µ –Ω–∞–π—Ç–∏ –ø–æ–¥—Ö–æ–¥. —É—á–µ–±–Ω—ã–π –ª–∞–≥–µ—Ä—å. –ß–µ—Ä–µ–∑ –¥–≤–∞ –º–µ—Å—è—Ü–∞ –ø–æ—Å–ª–µ –≤—ã–ø—É—Å–∫–∞ —è –Ω–∞—à–ª–∞ —Ä–∞–±–æ—Ç—É —Å–≤–æ–µ–π –º–µ—á—Ç—ã, –∫–æ—Ç–æ—Ä–∞—è —Å–æ–æ—Ç–≤–µ—Ç—Å—Ç–≤–æ–≤–∞–ª–∞ –º–æ–∏–º —Ü–µ–Ω–Ω–æ—Å—Ç—è–º –∏ —Ü–µ–ª—è–º –≤ –∂–∏–∑–Ω–∏! "

–í–µ–Ω–µ—Ä–∞, –∏–Ω–∂–µ–Ω–µ—Ä-–ø—Ä–æ–≥—Ä–∞–º–º–∏—Å—Ç –≤ Rockbot

–°–Ω–∞—á–∞–ª–∞ –º—ã –æ–ø—Ä–µ–¥–µ–ª—è–µ–º –∫–ª–∞—Å—Å —Å –∏–º–µ–Ω–µ–º GetLetters, –≤ –∫–æ—Ç–æ—Ä–æ–º —Ö—Ä–∞–Ω–∏—Ç—Å—è –∫–æ–¥ –Ω–∞—à–µ–π –ø—Ä–æ–≥—Ä–∞–º–º—ã. –ó–∞—Ç–µ–º –º—ã –æ–ø—Ä–µ–¥–µ–ª—è–µ–º –ø–µ—Ä–µ–º–µ–Ω–Ω—É—é —Å –∏–º–µ–Ω–µ–º name, –≤ –∫–æ—Ç–æ—Ä–æ–π —Ö—Ä–∞–Ω–∏—Ç—Å—è –∏–º—è –Ω–∞—à–µ–≥–æ –∫–ª–∏–µ–Ω—Ç–∞.

–ú—ã –æ–ø—Ä–µ–¥–µ–ª–∏–ª–∏ –ø–µ—Ä–µ–º–µ–Ω–Ω—É—é —Å –∏–º–µ–Ω–µ–º counter, –∫–æ—Ç–æ—Ä–∞—è –æ—Ç—Å–ª–µ–∂–∏–≤–∞–µ—Ç –∫–æ–ª–∏—á–µ—Å—Ç–≤–æ —ç–∫–∑–µ–º–ø–ª—è—Ä–æ–≤ –±—É–∫–≤—ã G —Å—É—â–µ—Å—Ç–≤—É—é—Ç –≤ –Ω–∞—à–µ–π —Å—Ç—Ä–æ–∫–µ. –ó–∞—Ç–µ–º –º—ã —Å–æ–∑–¥–∞–ª–∏ —Ü–∏–∫–ª Java for , –∫–æ—Ç–æ—Ä—ã–π –ø—Ä–æ—Å–º–∞—Ç—Ä–∏–≤–∞–µ—Ç –∫–∞–∂–¥–æ–µ –∑–Ω–∞—á–µ–Ω–∏–µ –≤ –Ω–∞—à–µ–π –ø–µ—Ä–µ–º–µ–Ω–Ω–æ–π name.

< p> name.length () -1 —Å–æ–æ–±—â–∞–µ—Ç –Ω–∞–º, —á—Ç–æ –Ω–∞—à —Ü–∏–∫–ª –±—É–¥–µ—Ç –ø—Ä–æ–¥–æ–ª–∂–∞—Ç—å—Å—è –¥–æ —Ç–µ—Ö –ø–æ—Ä, –ø–æ–∫–∞ –æ–Ω –Ω–µ –ø—Ä–æ–π–¥—ë—Ç —á–µ—Ä–µ–∑ –∫–∞–∂–¥—É—é –±—É–∫–≤—É –≤ —Å—Ç—Ä–æ–∫–µ name.

–ó–∞—Ç–µ–º –º—ã –æ–ø—Ä–µ–¥–µ–ª–∏–ª–∏ –æ–ø–µ—Ä–∞—Ç–æ—Ä if. –≠—Ç–æ—Ç –æ–ø–µ—Ä–∞—Ç–æ—Ä –ø—Ä–æ–≤–µ—Ä—è–µ—Ç, —Ä–∞–≤–µ–Ω –ª–∏ —Å–∏–º–≤–æ–ª –≤ –ø–æ–∑–∏—Ü–∏–∏ –∏–Ω–¥–µ–∫—Å–∞ i., –∫–æ—Ç–æ—Ä—ã–π —É–≤–µ–ª–∏—á–∏–≤–∞–µ—Ç—Å—è –ø—Ä–∏ –∫–∞–∂–¥–æ–º –∑–∞–ø—É—Å–∫–µ —Ü–∏–∫–ª–∞ for, —Ä–∞–≤–Ω—ã–º G.

–û–±—Ä–∞—Ç–∏—Ç–µ –≤–Ω–∏–º–∞–Ω–∏–µ, —á—Ç–æ —ç—Ç–æ —Å—Ä–∞–≤–Ω–µ–Ω–∏–µ —á—É–≤—Å—Ç–≤–∏—Ç–µ–ª—å–Ω–æ –∫ —Ä–µ–≥–∏—Å—Ç—Ä—É. –ï—Å–ª–∏ –±—ã –Ω–∞—à–∏ –∏–º–µ–Ω–∞ –±—ã–ª–∏ –∑–∞–ø–∏—Å–∞–Ω—ã –≤ –Ω–∏–∂–Ω–µ–º —Ä–µ–≥–∏—Å—Ç—Ä–µ, –≤—ã—Ä–∞–∂–µ–Ω–∏–µ name.charAt (i) == " G " –Ω–∏–∫–æ–≥–¥–∞ –Ω–µ –±—ã–ª–æ –±—ã –∏—Å—Ç–∏–Ω–Ω—ã–º.

–ï—Å–ª–∏ —Å–∏–º–≤–æ–ª –≤ –ø–æ–∑–∏—Ü–∏–∏ –∏–Ω–¥–µ–∫—Å–∞ i —Ä–∞–≤–µ–Ω G, –Ω–∞—à —Å—á–µ—Ç—á–∏–∫ —É–≤–µ–ª–∏—á–∏–≤–∞–µ—Ç—Å—è –Ω–∞ 1. –í –ø–æ—Å–ª–µ–¥–Ω–µ–π —Å—Ç—Ä–æ–∫–µ –Ω–∞—à–µ–≥–æ –∫–æ–¥–∞ –º—ã –Ω–∞–ø—Ä–∞–≤–∏–ª–∏ –ø—Ä–æ–≥—Ä–∞–º–º—É –Ω–∞ –ø–µ—á–∞—Ç—å –≤—ã–≤–æ–¥–∏—Ç —Å–æ–æ–±—â–µ–Ω–∏–µ –Ω–∞ –∫–æ–Ω—Å–æ–ª—å. –≠—Ç–æ —Å–æ–æ–±—â–µ–Ω–∏–µ —Å–æ–æ–±—â–∞–µ—Ç –Ω–∞–º, —Å–∫–æ–ª—å–∫–æ —Ä–∞–∑ —Å–∏–º–≤–æ–ª G –≤—Å—Ç—Ä–µ—á–∞–µ—Ç—Å—è –≤ –∏–º–µ–Ω–∏ –∫–ª–∏–µ–Ω—Ç–∞.

–ó–∞–∫–ª—é—á–µ–Ω–∏–µ

Java < em> charAt () –∏–∑–≤–ª–µ–∫–∞–µ—Ç —Å–∏–º–≤–æ–ª, –∫–æ—Ç–æ—Ä—ã–π —Å—É—â–µ—Å—Ç–≤—É–µ—Ç –≤ –æ–ø—Ä–µ–¥–µ–ª–µ–Ω–Ω–æ–º –∑–Ω–∞—á–µ–Ω–∏–∏ –∏–Ω–¥–µ–∫—Å–∞ –≤ —Å—Ç—Ä–æ–∫–µ. –ù–∞–ø—Ä–∏–º–µ—Ä, –º—ã –º–æ–≥–ª–∏ –±—ã –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å charAt () –¥–ª—è –ø–æ–ª—É—á–µ–Ω–∏—è 10-–≥–æ —Å–∏–º–≤–æ–ª–∞ –≤ —Å—Ç—Ä–æ–∫–µ –∏–ª–∏ 15-–µ.

–í —ç—Ç–æ–º —Ä—É–∫–æ–≤–æ–¥—Å—Ç–≤–µ –±—ã–ª–æ –∏–∑—É—á–µ–Ω–æ, –∫–∞–∫ –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å –º–µ—Ç–æ–¥ charAt () –≤ Java. –ú—ã —Ä–∞—Å—Å–º–æ—Ç—Ä–µ–ª–∏ –ø–æ—à–∞–≥–æ–≤—ã–π –ø—Ä–∏–º–µ—Ä charAt () < / em>, –∏ –º—ã —Ç–∞–∫–∂–µ –æ–±—Å—É–¥–∏–ª–∏, –∫–∞–∫ charAt () –º–æ–∂–Ω–æ –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å —Å –∞–ª–≥–æ—Ä–∏—Ç–º–∞–º–∏ –ø–æ–¥—Å—á–µ—Ç–∞ –≤ Java.

–¢–µ–ø–µ—Ä—å –≤—ã –≥–æ—Ç–æ–≤—ã –Ω–∞—á–∞—Ç—å –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å charAt () –∫–∞–∫ —ç–∫—Å–ø–µ—Ä—Ç –ø–æ Ja –≤–∞! –ß—Ç–æ–±—ã —É–∑–Ω–∞—Ç—å –±–æ–ª—å—à–µ –æ Java, –ø—Ä–æ—á—Ç–∏—Ç–µ –Ω–∞—à–µ —Ä—É–∫–æ–≤–æ–¥—Å—Ç–≤–æ –ø–æ –ö–∞–∫ –∫–æ–¥–∏—Ä–æ–≤–∞—Ç—å –Ω–∞ Java .

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