Exercises Java with Examples-
Practice Exercises Java 4,5 5 302940

Function IsPrimeTarea - Practice Exercises Java


Lesson 5:

Functions


Exercise 5.15:

Function IsPrimeTarea


Objetive:

Create a function named "IsPrime", which receives an integer number and retuns true if it is prime, or false if it is not:

if (isPrime(127)) ...


Source Code:


public class Main
{
	public static boolean IsPrime(int n)
	{
		for (int i = 2; i < n; i++)
		{
			if (n % i == 0)
			{
				return false;
			}
		}

		return true;
	}

	public static void main(String[] args)
	{
		if (IsPrime(127))
		{
			System.out.println("127 is a prime number");
		}
		else
		{
			System.out.println("127 is NOT a prime number");
		}

		if (IsPrime(1000003))
		{
			System.out.println("1000003 is a prime number");
		}
		else
		{
			System.out.println("1000003 is NOT a prime number");
		}
	}
}
Exercisey 5.15

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