import java.time.LocalDate;
import java.time.temporal.ChronoUnit;

public class WhyChronoUnitReturnsLong {

	@org.junit.Test
	public void test() {

		LocalDate min = LocalDate.MIN;
		LocalDate max = LocalDate.MAX;

		long monthBetween = ChronoUnit.MONTHS.between(min, max);
		int intMaxValue = Integer.MAX_VALUE;

		System.out.println("min = " + min);
		// -999999999-01-01
		System.out.println("max = " + max);
		// +999999999-12-31
		System.out.println("monthBetween = " + monthBetween);
		// 23999999987
		System.out.println("intMaxValue = " + intMaxValue);
		//  2147483647

	}

}