【java】各种对文件,读写的方法及小例子
import java.io.*; public class Test { /** * @param args the command line arguments */ public static void main(String[] args) throws FileNotFoundException, IOException { FileWriter fw = new FileWriter("test.txt"); fw.write("dddd");//直接这样就行..他会自动转换为其Unicode编码..或者fw.write((int)c);强制转换一下也行 fw.append("wwwwww"); fw.flush(); fw.close(); FileReader fr = new FileReader("test.txt"); int ch = 0; while((ch = fr.read())!=-1 ) { System.out.print((char)ch); } }}