ClassSampleFactory.java

package test.preserveorder;

import org.testng.annotations.Factory;

public class ClassSampleFactory {

    @Factory
    public Object[] f() {
        final Object[] res = new Object[4];
        for (int i = 0; i < res.length; i++) {
            res[i] = new ClassSample(i + 1);
        }
        return res;
    }
}