java判断是否为下午或上午

import org.junit.Test;
/**
 * 测试当前时间是否为下午或上午
 * @author pamgo
 *
 */
public class CalendarT {
    @Test
    public void testTodayPMorAM(){
        int i = Calendar.getInstance(Locale.US).get(Calendar.AM_PM);
        System.out.println(i == Calendar.PM ? "pm":"am");
    }
    @Test
    public void testTodayPMorAM2(){
        boolean isPM = Calendar.getInstance().get(Calendar.HOUR_OF_DAY) >= 12;
        System.out.println(isPM ? "YES":"NO");
    }