java中从键盘输入字符存入文件中

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/* *  * 功能：从键盘输入字符存入文件中 */package com.test3;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;import java.util.Scanner;public class Demo4 {/** * @param args */public static void main(String[] args) {// TODO Auto-generated method stubSystem.out.println("请输入");          Scanner scanner = new Scanner(System.in);          String str = scanner.next();          File f=new File("d:\\ss.txt");//字节流输出FileOutputStream fos=null;try { fos=new FileOutputStream(f); //定义一个数组 //byte []bytes=new byte[1024]; //如何把String转换成byte数组 fos.write(str.getBytes());} catch (Exception e) {// TODO Auto-generated catch blocke.printStackTrace();}finally{try {fos.close();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}}

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