Java Create and Write To Files

Java Create and Write To Files


File Creation In Java 
 
We can create files using createNewFile() method which is found in the File class.
We will understand it with the help of an example - 
 
Example - 
 
 
Output -one sample output would be -
 
 
Writing In File In Java 
We can write in an already existing fileusing FileWriter class, and inside write().
We will understand it using an example - 
 
Example - 
 
package javaLearnings;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.*;
import java.io.*;

public class Main {

  public static void main(String args[])  {
      Scanner ob = new Scanner(System.in);
      try {

          System.out.println("Enter a string = ");
          String P = ob.nextLine();
          FileWriter fw = new FileWriter("D:\\online promption house\\sampleFile");
fw.write(P);
fw.close();
      } catch (IOException e) {
          System.out.println("Error Occured .");
      }
  }
  }
 
Output -