DateDemo

import java.text.SimpleDateFormat;
import java.util.Date;

public class DateDemo {

    public static void main(String[] args) {

        Date d = new Date();
        System.out.println(d);//打印的时间看不懂，希望有些格式
        //将模式封装SimpleDateFormat对象中。
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy年MM月dd日E hh:mm:ss");

        //调用format方法让模式格式化指定Date对象。
        String time = sdf.format(d);
        System.out.println("time="+time);
    }

}

public class CalendarDemo {

    public static void sop(Object obj)
    {
        System.out.println(obj);
    }

    public static void main(String[] args) {
        //查表法
        Calendar c = Calendar.getInstance();

        String[] mons = {"一月","二月","三月","四月",
                          "五月","六月","七月","八月",
                         "九月","十月","十一月","十二月"};
        String[] weeks = {"","星期日","星期一","星期二","星期三","星期四",
                        "星期五","星期六"};
        int index = c.get(Calendar.MONTH);
        int index1 = c.get(Calendar.DAY_OF_WEEK);
        sop(c.get(Calendar.YEAR)+"年");
        //sop((c.get(Calendar.MONTH)+1)+"月");
        sop(mons[index]);
        sop(c.get(Calendar.DAY_OF_MONTH)+"日");
        //sop("星期"+c.get(Calendar.DAY_OF_WEEK));
        sop(weeks[index1]);

        /*
        Date d = new Date();

        //只获取年
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy");

        String year = sdf.format(d);

        System.out.println(year);
        */

    }

}

CalendarDemo