javaio-WriteStringToFile

package cn.yu.test.io;
import java.io.DataOutputStream;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.OutputStreamWriter;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.io.RandomAccessFile;
/**
 * WriteStringToFile
 * @version 1.0
 * @date 2010/5/10
 **/
public class WriteStringToFile {
	public static void main(String[] args) {
		try {
			String aString = "Hello你好";
		
			FileWriter fw = new FileWriter("c:/out.fw.txt");
			fw.write(aString);
			fw.close();   //默认gbk编码9字节
			////////////////////////////////////////////////////////////////////////////
			OutputStreamWriter osw = new OutputStreamWriter(new FileOutputStream("c:/out.osw.txt"),"UTF-8");
			osw.write(aString);
			osw.close();  //utf-8编码 11字节
			
			///////////////////////////////////////////////////////////
			DataOutputStream dos = new DataOutputStream(new FileOutputStream("c:/out.dos.txt"));
			dos.writeChars(aString);
			dos.close();  //14个字节, 每个字符用该字符2字节的unicode表示
			//////////////////////////////////////////////////////////////
			PrintStream ps = new PrintStream(new FileOutputStream("c:/out.ps.txt"));
			ps.print(aString);
			ps.close(); //默认gbk编码9字节
			//////////////////////////////////////////////
			PrintWriter pw = new PrintWriter(new FileOutputStream("c:/out.pw.txt"));
			pw.print(aString);
			pw.close(); //默认gbk编码9字节  
 			///////////////////////////////////////////////
			RandomAccessFile ra = new RandomAccessFile("c:/out.fa.txt", "rw");
			ra.writeUTF(aString); //
			ra.close(); //13个字节 ,前两个直接表示一个无符号整数,值是这个字符串的字符所需要的字节数
			////////////////////////////////////////////////
			RandomAccessFile ra2 = new RandomAccessFile("c:/out.fa2.txt", "rw");
			ra2.writeChars(aString);
			ra2.close(); //14个字节, 每个字符用该字符2字节的unicode表示
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}