GTU JAVA Practical 21
Write a program to create a file name 123.txt, if it does not exist. Append a new data to it if it already exist. write 150 integers created randomly into the file using Text I/O. Integers are separated by space.
				
					import java.io.*;
import java.util.Scanner;

class Practical_21 {
  public static void main(String[] args) {

    try (
      PrintWriter pw = new PrintWriter(new FileOutputStream(new File("123.txt"), true));
    ) {
      for (int i = 0; i < 150; i++) {
        pw.print((int)(Math.random() * 150) + " ");
      }
    } catch (FileNotFoundException fnfe) {
      System.out.println("Cannot create the file.");
      fnfe.printStackTrace();
    }
  }
}
				
			
123.txt File
Java Program to Generate Random Number
Output
Java Program to Generate Random Number