calc.java

《J2EE专业项目实例开发》源代码

import java.util.*;
import java.io.*;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.rmi.PortableRemoteObject;



public class calc
{
private String currency="";
    private int fromCurr=0;
    private int toCurr=0;
    private int amt=0;
    
	private double result;

   private double[][] curr={
			{1,1.4365,0.633673,0.8904,0.5148},
			{0.696136,1,0.441122,0.619839,0.358371},
		  	{1.5781,2.26694,1,1.40514,0.812406},
		  	{1.12308,1.61331,0.711672,1,0.578167},
			{1.9425,2.7904,1.23091,1.7296,1}
		 };
    public void calc()
    {
        
    }
public String getCurr()
{
	return currency;
}
public void setCurr(String str)
{
	currency=str;
}

public void setFromCurr(int frmCurr) 
{
        fromCurr=frmCurr;

} 
public int getFromCurr() 
	{
       return fromCurr;
    }     

    public void setToCurr(int toCrr) 
	{
       toCurr=toCrr;
      
    }    

    public int getToCurr() 
	{
       return toCurr;
       
    }    

    public double calculate()
    {	
	result=curr[fromCurr][toCurr]*amt;
	System.out.println(result);
	return result;
    }

    public void setAmt(int amount) 
    {
       amt=amount;
    }

    public double getAmt() 
    {
       return amt;
    }
}