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 vote111 views1 answer
Android java change text value
Java
1 vote141 views2 answers
Spring annotations xml configuration
Java Spring
0 vote105 views1 answer
Using template strings in java
Java
0 vote102 views1 answer
Java map get if contains else 0
Java
0 vote115 views1 answer
Get host from request object java
Java
0 vote96 views1 answer
2 multiples
Java
0 vote102 views2 answers
How do i use weather api on my website netbeans
Java
1 vote96 views1 answer
Exception in thread "main" java.lang.noclassdeffounderror: org/apache/commons/logging/logfactory
Java
0 vote109 views1 answer
Java filter array by even numbers
Java
3 votes102 views1 answer
Advantages of using Java
Java