import java.io.*; public class iostreamDemo { public static void main(String[] args) { try{ RandomAccessFile rf1 = new RandomAccessFile("d:\\jeru.txt","rw"); for (int i = 0; i < 10; i ++ ) { rf1.writeBytes("xixi,this is line "+i+"\n"); } rf1.close();
int i = 0; String record = new String(); RandomAccessFile rf2 = new RandomAccessFile("d:\\jeru.txt","rw"); rf2.seek(rf2.length()); rf2.writeBytes("lala,append line"+"\n"); rf2.close();
RandomAccessFile rf3 = new RandomAccessFile("d:\\jeru.txt","r"); while ((record = rf3.readLine()) != null) { i ++; System.out.println("Value "+i+":"+record); } rf3.close(); }catch(Exception e){} } }