//这个类表示复数,定义了执行复数运算的方法.public class ComplexNumber { private double x, y; //初始化X和Y的构造函数 public ComplexNumber(double real, double imaginary) { this.x = real; this.y = imaginary;
}//返回复数实部的存取器方法 public double real() { return x; } //返回复数虚部的存取器方法 public double imaginary() { return y; }//计算复数的幅值 public double magnitude() { return Math.sqrt(x * x + y * y); }//将其转换为一个字符串.这个方法很常用. public String toString() { return "(" + x + "," + y + ")"; }//静态类方法,接受两个复数,相加,返回它们的和. public static ComplexNumber add(ComplexNumber a, ComplexNumber b) { return new ComplexNumber(a.x + b.x, a.y + b.y); }//相加的实例方法 public ComplexNumber add(ComplexNumber a) { return new ComplexNumber(this.x + a.x, this.y + a.y); }//复数相乘的静态类方法 public static ComplexNumber multiply(ComplexNumber a, ComplexNumber b) { return new ComplexNumber(a.x * b.x - a.y * b.y, a.x * b.y + a.y * b.x); }//复数相乘的实例方法 public ComplexNumber multiply(ComplexNumber a) { return new ComplexNumber(x * a.x - y * a.y, x * a.y + y * a.x); }
}
转载于:https://www.cnblogs.com/J2EEPLUS/archive/2007/11/28/2487840.html
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