import java.io.*; /** * 学习缓冲流 * @author 彼岸夜微凉 */ public class BufferRW { public static void main(String args[]){ String content[] = {"输入的第一个","第二个","第三个"}; File file = new File("c:\\Users\\52526\\Desktop\\file\\Buffer.txt"); try{ //写文件 FileWriter writer = new FileWriter(file); BufferedWriter bufferedWriter = new BufferedWriter(writer); for(String str:content){ bufferedWriter.write(str); bufferedWriter.newLine(); } bufferedWriter.close(); writer.close(); //读文件 FileReader fileReader = new FileReader(file); BufferedReader bufferedReader = new BufferedReader(fileReader); String string = null; while ( (string = bufferedReader.readLine() )!= null){ System.out.println(string); } bufferedReader.close(); fileReader.close(); } catch(IOException e){ e.printStackTrace(); } } }