使用java写出关于分式的运算代码

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public class Fraction {
    private int numerator;         // 分子
    private int denominator;       // 分母

    // 构造函数
    public Fraction(int numerator, int denominator) {
        if (denominator == 0) {
            throw new IllegalArgumentException("分母不能为0！");
        } else if (denominator < 0) {
            this.numerator = -numerator;
            this.denominator = -denominator;
        } else {
            this.numerator = numerator;
            this.denominator = denominator;
        }
        simplify();
    }

    // 约分函数
    private void simplify() {
        int gcd = gcd(numerator, denominator);
        numerator /= gcd;
        denominator /= gcd;
    }

    // 最大公约数函数
    private int gcd(int p, int q) {
        if (q == 0) return p;
        int r = p % q;
        return gcd(q, r);
    }

    // 加法操作
    public Fraction add(Fraction other) {
        int newNumerator = numerator * other.denominator + other.numerator * denominator;
        int newDenominator = denominator * other.denominator;
        return new Fraction(newNumerator, newDenominator);
    }

    // 减法操作
    public Fraction subtract(Fraction other) {
        int newNumerator = numerator * other.denominator - other.numerator * denominator;
        int newDenominator = denominator * other.denominator;
        return new Fraction(newNumerator, newDenominator);
    }

    // 乘法操作
    public Fraction multiply(Fraction other) {
        int newNumerator = numerator * other.numerator;
        int newDenominator = denominator * other.denominator;
        return new Fraction(newNumerator, newDenominator);
    }

    // 除法操作
    public Fraction divide(Fraction other) {
        if (other.numerator == 0) {
            throw new IllegalArgumentException("除数不能为0！");
        }
        int newNumerator = numerator * other.denominator;
        int newDenominator = denominator * other.numerator;
        return new Fraction(newNumerator, newDenominator);
    }

    // 打印分数
    public void print() {
        System.out.println(numerator + "/" + denominator);
    }
}

以上就是使用 Java 实现的关于分式的运算代码，包括加减乘除操作以及约分等功能。请您根据需要进行调用或修改。如有其它问题，请告诉我，我会尽力帮助您。