Prime Checker HackerRank Solution

The problem context involves checking if a number is prime or not. A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. The task is to create a method that takes a list of integers as input and prints out the prime numbers from the list.

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Here is the Prime Checker HackerRank Solution HackerRank solution using CodeRankGPT:

The solution approach involves iterating over the list of integers. For each integer, it checks if it is less than or equal to 3 and greater than 1, if so, it is considered as a prime number. For integers greater than 3, it checks if it has any divisors other than 1 and itself by iterating from 2 to the square root of the number. If no divisors are found, the number is considered prime. The prime numbers are then printed out.


/**
 * 
 */
package com.javaaid.hackerrank.solutions.languages.java.advanced;

/**
 *
 */
public class PrimeChecker {
	public void checkPrime(int... num) {
		String str = "";
		for (int n : num) {
			boolean found = true;
			if (n <= 3 && n > 1) {
				str += n + " ";
			} else {
				for (int i = 2; i <= Math.sqrt(n); i++) {
					if (n % i == 0) {
						found = false;
						break;
					}
				}
				if (found && n != 1) {
					str += n + " ";
				}
			}
		}
		System.out.println(str);
	}
}

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