java使用BufferedWriter写文件

import java.io.BufferedWriter;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;

/**
 *
 * @author outofmemory.cn
 */
public class Main {

    /**
     * Prints some data to a file using a BufferedWriter
     */
    public void writeToFile(String filename) {

        BufferedWriter bufferedWriter = null;

        try {

            //Construct the BufferedWriter object
            bufferedWriter = new BufferedWriter(new FileWriter(filename));

            //Start writing to the output stream
            bufferedWriter.write("Writing line one to file");
            bufferedWriter.newLine();
            bufferedWriter.write("Writing line two to file");

        } catch (FileNotFoundException ex) {
            ex.printStackTrace();
        } catch (IOException ex) {
            ex.printStackTrace();
        } finally {
            //Close the BufferedWriter
            try {
                if (bufferedWriter != null) {
                    bufferedWriter.flush();
                    bufferedWriter.close();
                }
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
    }

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        new Main().writeToFile("myFile.txt");
    }
}

package com.yiibai.iofile;
 
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
 
public class WriteToFileExample {
	public static void main(String[] args) {
		try {
 
			String content = "This is the content to write into file";
 
			File file = new File("/users/mkyong/filename.txt");
 
			// if file doesnt exists, then create it
			if (!file.exists()) {
				file.createNewFile();
			}
 
			FileWriter fw = new FileWriter(file.getAbsoluteFile());
			BufferedWriter bw = new BufferedWriter(fw);
			bw.write(content);
			bw.close();
 
			System.out.println("Done");
 
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
}