randomInput.java~

import java.util.*;
import java.io.*;


public class NumberGen {
    private int x, y, z;
    private Random rand;
    NumberGen(){
        x = 0;
        y = 0;
        z = 0;
        rand = new Random();
    }
    public void write(int count) throws IOException{
        BufferedWriter writer = new BufferedWriter(new FileWriter("output.txt", true));
        writer.write("" + count);
        writer.append(System.getProperty("line.separator"));
        for(int i = 0; i < count; i++){
            x = rand.nextInt(500);
            y = rand.nextInt(500);
            z = rand.nextInt(500);
            writer.append(x + " " + y + " " + z);
            writer.append(System.getProperty("line.separator"));
        }
        writer.close();
    }
    public void delete(){
        File output = new File("output.txt");
        output.delete();
    }
    public static void main(String[] args) throws IOException {
        NumberGen generator = new NumberGen();
        generator.write(300);
        //generator.delete();