Java写文件源码

import java.io.*;
public class FileWrite {
public static void main(String args[]) {
String outPut = "C:\\bin";
StringBuffer ab = new StringBuffer();
for(int i=6;i<=30;i++){
ab.append("http://www.test.com/joke/index_"+i+".htm\r\n");
}
try{
File temp = new File(outPut,"urlt.txt");
DataOutputStream outs = new DataOutputStream(
new FileOutputStream(temp));
outs.write(ab.toString().getBytes());
// outs.write(bb);
outs.close();
}catch(Exception e){
e.printStackTrace();
}
}
}