file_1.java

import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.util.Scanner;



public class file_1 {
public static void main(String args[])throws Exception
{
char[] data =new char[40];

try
{
File f= new File("content.txt");
f.createNewFile();
System.out.println("Name : "+f.getName());
System.out.println(f.exists());
System.out.println(f.getPath());
System.out.println(f.getAbsolutePath());
System.out.println(f.canWrite());
System.out.println(f.canRead());
System.out.println(f.getParent());

String s="This is my file content.";
FileWriter fw=new FileWriter("content.txt");
fw.write(s);
fw.close();
System.out.println("Reading the content as a whole....");
FileReader fr=new FileReader("content.txt");
fr.read(data);
System.out.println(data);
fr.close();
}catch(FileNotFoundException e)
{
System.out.println("The specified file does not exist...");
}
String s1;
FileReader fr1=new FileReader("content.txt");
BufferedReader br=new BufferedReader(fr1);
System.out.println("Reading Line by Line ....");
while ((s1=br.readLine())!=null)
{
System.out.println(s1);
}
fr1.close();
FileReader fr2=new FileReader("content.txt");
int i;
System.out.println("Reading character by character....");
while((i=fr2.read())!=-1)
{
System.out.println((char)i);
}
fr2.close();

String s2 = "This is the appened sentence.";
File f = new File("content.txt");
FileWriter fw = new FileWriter(f,true);
fw.append(s2);
fw.close();
// f.close();
System.out.println();
File w = new File("content.txt");
Scanner sc = new Scanner(w);

int count = 0;
while (sc.hasNext())
{
String word = sc.next();
System.out.println(word);
count = count + 1;
}



}
}