编写一个模拟硬币的applet.每次用户按下“Toss”按钮，程序投掷一个硬币。统计硬币各面出现的次数，并显示结果。程序应该调用不带任何参数的独立方法flip,如果是硬币正面，则方法返回“true” 如果硬币背面，则方法返回“false”.-Write a simulated coin applet. Each time the user presses the " Toss" button, the program throws a coin. Statistics coin

The famous Collatz sequence is generated by a method decribed as follows. Given a positive integer N, if it is odd, then replace it with 3*N+1. For even number N, use N/2 instead. You can get a sequence of number by this method. It is conjectured tha

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