请教一个复数类的设计问题

Question

在设计一个复数类的时候，如何实现两个复数想加这样的方法呢？我觉得这样涉及类的两个对象的操作的方法，不知道如何写。

Answer 1

当作类的方法来实现吧，java不支持操作符重载可以这样实现
class Complex {
    int alpha;
    int beta;
    ...;
    public Complex add(Complex c) {
        return new Complex(alpha + c.getAlpha(), beta + c.getBeta());
    }
}

Answer 2

也可以：
public static Complex add(Complex c1, Complex c2) {
    ...
}

Answer 3

import  java.applet.* ;      
                  import  java.awt.* ;
                  public  class  abc  extends  Applet    
                  {
                     Complex a,b,c ;
                     public  void  init( )    
                     {
                       a = new  Complex(1,2);   
                       b = new  Complex(3,4);   
                       c = new  Complex();     
                     }
                     public  void  paint(Graphics  g)    
                     {
                       c=a.complexAdd(b);
                       g.drawString("第一个复数："+a.toString(),10,50);
                       g.drawString("第二个复数："+b.toString(),10,70);
                       g.drawString("两复数之和："+c.toString(),10,90);
                     }
                  }
                      
                  class  Complex
                  {
                      int  RealPart ;    // 复数的实部     
                      int  ImaginPart ;  // 复数的虚部
                      Complex() { RealPart = 0 ; ImaginPart = 0 ; }  
                      Complex(int  r , int  i)    
                      {  RealPart = r ;    ImaginPart = i ;   }
                      Complex  complexAdd(Complex  a)  
                      {
                           Complex  temp = new  Complex( );  // 临时复数对象
                           temp.RealPart=RealPart+a.RealPart;
                           temp.ImaginPart=ImaginPart+a.ImaginPart;
                           return  temp;
                      }
                      public String  toString( )         
                      {   return  ( RealPart+" + "+ImaginPart+" i ");   }
                  }