PrimeTest

PrimeTest.java

import api.util.Mathematics;

public class PrimeTest
{
    public static void main(String[] args)
    {
        int n = -4;
        
        StdOut.println(Mathematics.isEven(n));                          // true
        StdOut.println(Mathematics.isPrime(n));                         // false
        StdOut.println(Mathematics.makePrimeGreater(1));                // 2
        StdOut.println(Mathematics.makePrimeGreater(n) + "\n");         // 2
        
        //StdOut.println(Long.MAX_VALUE);                               // 9223372036854775807
        //StdOut.println(Mathematics.makePrimeLesser(Long.MAX_VALUE));  // 9223372036854775783
        //StdOut.println(Mathematics.makePrimeLesser(n));               // Throws IllegalArgumentException
        //StdOut.println(Mathematics.makePrimeGreater(Long.MAX_VALUE)); // Throws IllegalArgumentException
    }
}