FileReader fr=new FileReader("D:\Demo.txt"); char[] ch=new char[2]; int len=0; while((len=fr.read(ch))!=-1) { System.out.print(new String(ch, 0, len)); }
FileReader fr=new FileReader("D:\Demo.txt"); int cl=0; while((cl=fr.read())!=-1) { System.out.println((char)cl); }
FileInputStream fs=new FileInputStream("D:\2.avi"); FileOutputStream fo=new FileOutputStream("D:\3.avi"); byte[] buf=new byte[1024]; int len=0; while((len=fs.read(buf))!=-1) { fo.write(buf,0,len); } fs.close(); fo.close();