“Imprima todo Prime No Java” Código de respuesta

Impresión de números primos en 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);
   }
}
Glamorous Gerenuk

Imprima todo Prime No Java

import java.util.Scanner;

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

        int temp, no,sum=0,count=0,loop1=0,loop2=0;;
        System.out.println("--The sum of the All prime Number in Between 2 to ??--");

        Scanner sc = new Scanner(System.in);
        System.out.println("Enter a Number ");
        no = sc.nextInt();

       for (int j = 2; j <= no; j++)
       {
            loop1++;
              temp=0;

           for (int i = 2; i <= j/2; i++) {
                 loop2++;
               if (j % i == 0) {
                   temp=1;
                   break;
               }

           }
           if (temp==0) {
               System.out.print(j+"\t");
               count++;
               sum=sum+j;
           }


       }

        System.out.println("\nThe Total no of Prime Number between 1 to "+no+" is = "+count);
        System.out.println("The sum of all Prime Numbers in between 1 to "+no+" is = "+sum);

        System.out.println("How many times Loop ran = "+(loop1+loop2)+" times,"+" loop1 = "+loop1+" times, "+"loop2 = "+loop2+" times");


    }}
IGNOU GURU

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