鍐欎袱涓嚎绋嬶紝涓€涓嚎绋嬫墦鍗?-52锛屽彟涓€涓嚎绋嬫墦鍗癆-Z锛屾墦鍗伴『搴忎负12A34B56C......5152Z

Posted 2021-03-22

鏍囩锛?a href='http://www.mamicode.com/so/1/ide' title='ide'>ide   wait   ++   except   let   sync   super   adp   cat   

棰樼洰锛?/h2>

鍐欎袱涓嚎绋嬶紝涓€涓嚎绋嬫墦鍗?-52锛屽彟涓€涓嚎绋嬫墦鍗癆-Z锛屾墦鍗伴『搴忎负12A34B56C......5152Z銆傝姹傜敤绾跨▼闂寸殑閫氫俊銆?/p>

/**
 * 鍐欎袱涓嚎绋嬶紝绗竴涓嚎绋嬫墦鍗?-52锛岀浜屼釜绾跨▼鎵撳嵃A-Z锛屾墦鍗扮粨鏋滀负12A34B...5152Z
 */
public class ThreadPrinter {
    // true鎵撳嵃鏁板瓧锛宖alse鎵撳嵃瀛楁瘝
    private boolean flag = true;

    // 鎵撳嵃瀛楁瘝
    public synchronized void printNumber(String s) {
        try {
            if (!flag) {
                super.wait();
            }
            System.out.print(s);
            flag = false;
            super.notifyAll();
        } catch (InterruptedException ex) {
        }
    }

    // 鎵撳嵃鏁板瓧
    public synchronized void printLetter(String s) {
        try {
            if (flag) {
                super.wait();
            }
            System.out.print(s);
            flag = true;
            super.notifyAll();
        } catch (InterruptedException ex) {
        }
    }

    /**
     *绾跨▼2:鎵撳嵃A-Z
     */
    public static class LetterPrintThread extends Thread {
        private ThreadPrinter printer;

        private LetterPrintThread(String name, ThreadPrinter printer) {
            super(name);
            this.printer = printer;
        }

        @Override
        public void run() {
            for (int i = 1; i <= 26; i++) {
                int temp = i + 64;
                char c = (char) temp;
                printer.printLetter(c + " ");
            }
        }

    }

    /**绾跨▼1:鎵撳嵃1-52*/
    public static class NumberPrintThread extends Thread {
        private ThreadPrinter printer;

        private NumberPrintThread(String name, ThreadPrinter printer) {
            super(name);
            this.printer = printer;
        }
        @Override
        public void run() {
            for (int i = 1; i <= 26; i++) {
                String s = (2 * i - 1) + " " + 2 * i + " ";
                printer.printNumber(s);
            }

        }
    }

    public static void main(String[] args) {
        ThreadPrinter printer = new ThreadPrinter();
        new NumberPrintThread("鎵撳嵃鏁板瓧绾跨▼", printer).start();
        new LetterPrintThread("鎵撳嵃瀛楁瘝绾跨▼", printer).start();
    }
}

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