i need some suggestions >,<

package?com.sun;
import?java.util.*;//導(dǎo)入包
import?java.text.*;//導(dǎo)入包
public?class?TimeTest?{
?
????public?static?void?main(String[]?args)?{
????????//?TODO?Auto-generated?method?stub
????????//Scanner完成從鍵盤輸入年月日
????????Scanner?input=new?Scanner(System.in);
????????System.out.print("請輸入年份：");
????????int?year=input.nextInt();
????????System.out.print("請輸入月份：");
????????int?month=input.nextInt();
????????System.out.print("請輸入日份：");
????????int?day=input.nextInt();
????????System.out.print("您輸入的日期為：");
????????//獲得一個Calendar對象，并重新設(shè)置年月日值
????????Calendar?calendar=Calendar.getInstance();
????????calendar.set(year,?month-1,?day);
????????//將Calendar轉(zhuǎn)化為Date對象
????????Date?date=calendar.getTime();
????????//創(chuàng)建SimpleDateFormat對象，并指定目標(biāo)格式
????????SimpleDateFormat?sdf=new?SimpleDateFormat("yyyy-MM-dd");
?????????System.out.println(sdf.format(date));
?????????//判斷年份是否為閏年
????????if(year%100==!0&&year%4==0||year%400==0){
????????????System.out.println("您輸入的年份為閏年");
????????}else{
????????????System.out.println("您輸入的年份為平年");????????
????????}
????????//判斷該日是星期幾
????????SimpleDateFormat?sdf2=new?SimpleDateFormat("E");
????????System.out.println(sdf2.format(date));
????????//判斷該月有幾天
????????Date?now=new?Date(Calendar.DATE);
????????int?maxDate=calendar.getActualMaximum(Calendar.DATE);
????????????????System.out.println(month+"月有"+maxDate+"天");
?????????
????????}
}

玉龍BB

2014-12-19

源自：Java入門第三季 3-7

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玉龍BB 提問者
2014-12-23

package?com.sun;
import?java.util.*;//導(dǎo)入包
import?java.text.*;//導(dǎo)入包
public?class?TimeTest?{

	public?static?void?main(String[]?args)?{
		//?TODO?Auto-generated?method?stub
		//Scanner完成從鍵盤輸入年月日
		Scanner?input=new?Scanner(System.in);
		System.out.print("請輸入年份：");
		int?year=input.nextInt();
		System.out.print("請輸入月份：");
		int?month=input.nextInt();
		System.out.print("請輸入日份：");
		int?day=input.nextInt();
		System.out.print("您輸入的日期為：");
		//獲得一個Calendar對象，并重新設(shè)置年月日值
		Calendar?calendar=Calendar.getInstance();
		calendar.set(year,?month-1,?day);
		//將Calendar轉(zhuǎn)化為Date對象
		Date?date=calendar.getTime();
		//創(chuàng)建SimpleDateFormat對象，并指定目標(biāo)格式
		SimpleDateFormat?sdf=new?SimpleDateFormat("yyyy-MM-dd");
		?System.out.println(sdf.format(date));
		?//判斷年份是否為閏年
		if(year%100==0&year%4==0|year%100!=0&year%4==0){
			System.out.println("您輸入的年份為閏年");
		}else{
			System.out.println("您輸入的年份為平年");		
		}
		//判斷該日是星期幾
????????SimpleDateFormat?sdf2=new?SimpleDateFormat("E");
????????System.out.println(sdf2.format(date));
????????//判斷該月有幾天
		Date?now=new?Date(Calendar.DATE);
	????int?maxDate=calendar.getActualMaximum(Calendar.DATE);
	????		System.out.println(month+"月有"+maxDate+"天");
	????
		}
}