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public Rational(long numerator, long denominator) {
long gcd = gcd(numerator, denominator);
this.numerator = ((denominator > 0) ? 1 : -1) * numerator/gcd;
this.denominator = Math.abs(denominator)/gcd;
你好,我想知道它說的第三行((分母> 0)?1:-1)*分子/ gcd。什麼是論點?理數分母
非常感謝! – SleepMaster 2015-04-05 23:56:21