JavaI/O文件读写:字符输出流

字符输出流：FileWriter

package IO;

import java.io.FileWriter;
import java.io.IOException;

public class Zifushuchu_FileWriter {
    //字符输出流：FileWriter
	public static void main(String[] args) {
		String a="aaaaa";
		FileWriter fr=null;
		try {
			fr=new FileWriter("C:\\789.txt");
			fr.write(a);   //----直接---
			fr.flush();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}finally {
			try {
				fr.close();
			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
	}
}