javaOOp 字符流读取文件

package cn.happy3;import java.io.FileNotFoundException;import java.io.FileReader;import java.io.IOException;public class Day01 {/** * 1.字符流读取文件 * @throws IOException  */public static void main(String[] args) throws IOException {FileReader reader=new FileReader("E:/S2226.txt");char[] chars=new char[1024];int data;while((data=reader.read(chars))!=-1){String temp=new String(chars,0,data);System.out.println(temp);}reader.close();}}

package cn.happy3;import java.io.FileWriter;import java.io.IOException;public class Day02 {/** *  FileWriter  * @throws IOException  */public static void main(String[] args) throws IOException {FileWriter writer=new FileWriter("E:/S2226.txt");String words="呵呵";writer.write(words);writer.close();}}