
import java.util.Scanner;
public class PrimeNumberList {
// Method to check if a number is prime
public static boolean isPrime(int num) {
if (num <= 1) {
return false;
}
for (int i = 2; i <= Math.sqrt(num); i++) {
if (num % i == 0) {
return false;
}
}
return true;
}
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
// Prompt the user to enter a number
System.out.print("Enter a number: \n");
int userInput = scanner.nextInt();
// Display prime numbers less than the user's number
System.out.print("Prime numbers are " + userInput + ": ");
for (int i = 2; i < userInput; i++) {
if (isPrime(i)) {
System.out.print(i + " ");
}
}
// Close the scanner
scanner.close();
}
}
Test Case 1
10ENTER
2 3 5 7
Test Case 2
100ENTER
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

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