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

public class Test {

    @org.junit.jupiter.api.Test
    public void test1(){
        LocalDate t1=LocalDateTime.now().toLocalDate();
        LocalDate t2=LocalDateTime.now().toLocalDate().minusDays(1);
        System.out.println(t1);
        System.out.println(t2);
        System.out.println(ChronoUnit.DAYS.between(null, t1));
    }
}