Java FileWriter 纯文本的写,纯文本编辑器

package IO;import java.io.FileNotFoundException;import java.io.FileReader;import java.io.FileWriter;import java.io.IOException;public class Test { public static void main(String[] args) { FileWriter fileReader = null; try { fileReader=new FileWriter("src/IO/temp",true); char[] chars = new char[]{'我','是','一','个','中','国','人'}; fileReader.write(chars); fileReader.write(chars,2,4); fileReader.flush(); } catch (IOException e) { e.printStackTrace(); } finally { if(fileReader!=null){ try { fileReader.close(); } catch (IOException e) { e.printStackTrace(); } } } }}