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java
2 years ago
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package readfile;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Scanner;
import java.io.FileWriter;
public class Readfile {
public static void main(String[] args) {
try {
File obj = new File("theerdha2.txt");
// Create the file only if it doesn't exist
if (obj.createNewFile()) {
System.out.println("File created: " + obj.getName());
} else {
System.out.println("File already exists.");
}
// Write to the file
FileWriter nw = new FileWriter("theerdha2.txt");
nw.write("It's a good file");
nw.close(); // Close the FileWriter
// Read from the file
Scanner sobj = new Scanner(obj);
while (sobj.hasNextLine()) {
String data = sobj.nextLine(); // Use nextLine() instead of next()
System.out.println(data);
}
sobj.close(); // Close the Scanner
} catch (FileNotFoundException e) {
System.out.println("File not found");
} catch (IOException e) {
System.out.println("An error occurred.");
e.printStackTrace();
} finally {
System.out.println("File operation completed.");
}
}
}
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