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Java Program to display prime numbers from 1 to n

Java programs

In this Program, we are going to share a Java program to display prime numbers from 1 to n. If you are a Java beginner and want to start learning the Java programming, then keep your close attention in this tutorial as I am going to share how to write a Java program to display prime numbers from 1 to n.

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Java Program to display prime numbers from 1 to n with the output

Copy the below Java program and execute it with the help of Javac compiler. At the end of this program, We have shared the output of this program.

import java.util.Scanner;
class PrimeNumbers2
{
   public static void main (String[] args)
   {		
      Scanner scanner = new Scanner(System.in);
      int i =0;
      int num =0;
      String  primeNumbers = "";
      System.out.println("Enter the value of n:");
      int n = scanner.nextInt();
      scanner.close();
      for (i = 1; i =1; num--)
         {
	    if(i%num==0)
	    {
		counter = counter + 1;
	    }
	 }
	 if (counter ==2)
	 {
	    primeNumbers = primeNumbers + i + " ";
	 }	
      }	
      System.out.println("Prime numbers from 1 to n are :");
      System.out.println(primeNumbers);
   }
}

Program Output

Enter the value of n:
150
Prime numbers from 1 to n are :
2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67 71 73 79 83 89
97 101 103 107 109 113 127 131 137 139 149

The post Java Program to display prime numbers from 1 to n appeared first on FreeWebMentor.



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Java Program to display prime numbers from 1 to n

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