Complex类实现Comparable<T>接口，提供按模比较复数大小

Question

Complex类实现Comparable<T>接口，提供按模比较复数大小的方法。

咋写不会求解！感谢大家

Answer 1

public class Complex implements Comparable<Complex>{
    private float real;
    private float image;

    public void setReal(float real) {
        this.real = real;
    }

    public void setImage(float image) {
        this.image = image;
    }

    public float getReal() {
        return real;
    }

    public float getImage() {
        return image;
    }

    @Override
    public int compareTo(Complex o) {
        double a = Math.sqrt(real * real + image * image);
        double b = Math.sqrt(o.getReal() * o.getReal() + o.getImage() * o.getImage());
        return Double.compare(a, b);
    }
}

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