1111

public class num1 {    public static void main(String[]args){        Boolean numbool = new Boolean(false);        Character numchar = new Character('Z');        Integer numint = new Integer(251);        Long numlong = new Long(4757);        Double numdou = new Double(3.1415926);                System.out.println(numbool);        System.out.println(numint);        System.out.println(numdou);        System.out.println(numlong);        System.out.println(numchar);    }}

2222

import java.text.SimpleDateFormat;import java.util.*;public class num2 {     public static void main(String[] args) {        Date date = new Date();        System.out.println("时间:"+date);        String strDate = date.toString();        String year = strDate.substring(24,28);        String month = strDate.substring(4,7);        String day = strDate.substring(9,10);        String hour = strDate.substring(11,13);        String min = strDate.substring(14,16);        String sec = strDate.substring(17,19);                System.out.print(year+"年");        System.out.print(month+"月");        System.out.print(day+"日   ");        System.out.print(hour+"时");        System.out.print(min+"分");        System.out.println(sec+"秒");                SimpleDateFormat dateformat1=new SimpleDateFormat("yyyy年MM月dd日HH时mm分ss秒 E");        String a1 = dateformat1.format(new Date());        System.out.println("时间："+a1);    }}