Methods of the File Class

File info = new File("Letter.txt");

if(info.exists()){

System.out.println("Size of "+info.getName()+

" is "+info.length());

if(info.isDirectory()){

System.out.println("The file is a directory.");

}

if(info.canRead()){

System.out.println("The file is readable.");

}

if(info.canWrite()){

System.out.println("The file is writeable.");

}