Write a Java program that displays the prime numbers between A and B

Computer Networking: A Top-Down Approach (7th Edition)
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ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
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Question

Write a Java program that displays the prime numbers between A and B

Expert Solution
Step 1

Program:

import java.util.*;

public class Main {

 

    public static void main(String[] args) {

 

        int A, B;

        Scanner x = new Scanner (System.in);

        System.out.print ("Enter the starting number of prime number A: ");

        A = x.nextInt();

 

        System.out.print ("Enter the ending number of prime number B: ");

        B = x.nextInt ();

System.out.println ("The prime numbers between A and B:");

        while (A < B) {

            boolean flag = false;

 

            for(int i = 2; i <= A/2; ++i) {

                // condition for nonprime number

                if(A % i == 0) {

                    flag = true;

                    break;

                }

            }

 

            if (!flag && A != 0 && A != 1)

                System.out.print(A + " ");

 

            ++A;

        }

        System.out.println("\n");

    }

}

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