Printing prime numbers in java

import java.util.Scanner;
public class Main
{
   public static void main (String[] args)
   {		
      Scanner scanner = new Scanner(System.in);
      int i =0;
      int num =0;
      //Empty String
      String  primeNumbers = "";
      System.out.println("Enter the value of n:");
      int n = scanner.nextInt();
      scanner.close();
      for (i = 1; i <= n; i++)  	   
      { 		 		  
         int counter=0; 		  
         for(num =i; num>=1; num--)
         {
	    if(i%num==0)
	    {
		counter = counter + 1;
	    }
	 }
	 if (counter ==2)
	 {
	    //Appended the Prime number to the String
	    primeNumbers = primeNumbers + i + " ";
	 }	
      }	
      System.out.println("Prime numbers from 1 to n are :");
      System.out.println(primeNumbers);
   }
}

Source: beginnersbook.com

Similar codes

0 vote141 views1 answer
Cookie jsf
Java
0 vote102 views1 answer
Component spring
Java
0 vote99 views1 answer
Java suppresswarnings unchecked
Java
0 vote100 views1 answer
Swapping techniques using java
Java
11 votes108 views1 answer
Declare a hashmap in java
Java
0 vote108 views3 answers
How to cut a certion part from a string in java
Java
0 vote104 views1 answer
Spigot coding how to send a message to player after commadn
Java
0 vote102 views1 answer
Android diagonal gradle
Java
1 vote113 views1 answer
Glide latest version android
Java
0 vote100 views1 answer
Enhanced for loop arraylist
Java