将九九乘法表打印到txt文档中

//About.java文件
import java.io.*;
public class About {
public static void main(String[] args){
try{
String s = new String();
FileOutputStream out = new FileOutputStream("九九乘法表.txt");
byte[] a = "\r\n".getBytes();
for(int i = 1; i <= 9; i++){
for(int j = 1; j <= i; j++){
s=j+" x "+i+" = "+i*j+'\t';
byte[] ch = s.getBytes();
out.write(ch);
//System.out.print(s);
}
out.write(a);
//System.out.println();
}
out.close();
}
catch(IOException e){
System.out.println("Error"+e);
}
}
}