TestNG Parameters with Dataproviders

import org.testng.Assert;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;

public class ParamTestWithDataProvider1 {
    private PrimeNumberChecker primeNumberChecker;

    @BeforeMethod
    public void initialize() {
        primeNumberChecker = new PrimeNumberChecker();
    }

    @DataProvider(name = "test1")
    public static Object[][] primeNumbers() {
        return new Object[][] { { 2, true }, { 6, false }, { 19, true },
         { 22, false }, { 23, true } };
    }

    // This test will run 4 times since we have 5 parameters defined
    @Test(dataProvider = "test1")
    public void testPrimeNumberChecker(Integer inputNumber,
        Boolean expectedResult) {
 System.out.println(inputNumber + " " + expectedResult);
 Assert.assertEquals(expectedResult,
         primeNumberChecker.validate(inputNumber));
    }
}