inoxor

/** * * @author inoxor */import java.io.*;public class Assignment1 {    public static void main(String[] args) {        long timeBegin = System.nanoTime();        int limit = 10000000;        int primes = 0;                boolean[] isPrime = new boolean[limit+1];   // initializes as false                for(int i = 2; i*i <= limit; i++) {            if(!isPrime[i]) {                for(int j = i; j*i <= limit; j++)   // eliminate i^2 and multiples of it                    isPrime[i*j] = true;            // we use true to mark non-primes            }        }                PrintWriter out = null;                try {            out = new PrintWriter("primes.txt");    // printwriter does not flush by default                        for(int i = 2; i <= limit; i++) {                if(!isPrime[i]) {                    out.println(i);                    primes++;                }            }        } catch(IOException e) {            System.out.println(e);        } finally {            if(out != null)                out.close();    // flush & close        }                long estimatedTime = System.nanoTime() - timeBegin;        System.out.println("Execution took " + estimatedTime/1000000 + " ms. Found " + primes + " primes.");    }}