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  • 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
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  • 原文地址:https://www.cnblogs.com/cailingsunny/p/4696812.html
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