BMI計算

import java.io.*;
import java.util.*;
import java.lang.Math;

public class myjava
{
/**
* @param args
*/
public static void main(String[] args) {
// TODO 自動產生方法 Stub
String inputs="";

try
{
Double a2;
FileReader myinpufile=new FileReader("940304.SM");
BufferedReader isr=new BufferedReader(myinpufile);



//System.out.println(isr.readLine());


for (int i=1;i<=3;i++)
{
double a,a1,a3;
inputs=isr.readLine();
StringTokenizer mytoken=new StringTokenizer(inputs,",");
//System.out.println(mytoken.nextToken());
//System.out.println(mytoken.nextToken());
String n=new String(mytoken.nextToken());
String m=new String(mytoken.nextToken());
a=Double.parseDouble(n);
a3=a/100;
a1=Double.parseDouble(m);
a2=a1/(a3*a3);

System.out.println(a);
System.out.println(a1);
System.out.println(a2);


FileWriter myoutfile=new FileWriter("940304w.SM");
BufferedWriter isrw=new BufferedWriter(myoutfile);


isrw.write("體重"+a3+" 身高"+a1+" BIM："+Math.round(a2));
if(a2<20)
{
isrw.write("過輕");
}
else if(a2>25)
{
isrw.write("過重");
}
else
{
isrw.write("正常");
}
isrw.flush();
myoutfile.close();
}



}
catch(Exception e)
{
}

}




}