java 流 写
package 流; import java.io.BufferedWriter; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.FileWriter; import java.io.IOException; import java.io.OutputStream; public class 写 { public static String path="d://test.txt"; public static void main(String[] args) { BufferedWriterDemo(); } //字节流 public static void OutputStream(){ try { OutputStream outputStream=new FileOutputStream(path); String str="hello world"; byte[] b=str.getBytes(); for(int i=0; i<b.length; i++) try { outputStream.write(b[i]); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } catch (FileNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } } //字符流 public static void FileWriterDemo(){ FileWriter fileWriter; try { fileWriter = new FileWriter(path); String str="hello word"; fileWriter.write(str); fileWriter.flush(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } //缓冲流 public static void BufferedWriterDemo(){ BufferedWriter bufferedWriter; try { bufferedWriter = new BufferedWriter(new FileWriter(path)); String str="hello word"; bufferedWriter.write(str); bufferedWriter.flush(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }
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