java 比较时分秒_java 比较时分秒时间差

import java.util.Calendar;

public class SysDate {

public static void main(String[] args) {

Calendar c = Calendar.getInstance();

System.out.println("年：" + c.get(Calendar.YEAR));

System.out.println("月：" + (c.get(Calendar.MONTH) + 1));

System.out.println("日：" + c.get(Calendar.DAY_OF_MONTH));

System.out.println("24时制小时：" + c.get(Calendar.HOUR_OF_DAY));

System.out.println("12时制：" + c.get(Calendar.HOUR));

System.out.println("分：" + c.get(Calendar.MINUTE));

System.out.println("秒：" + c.get(Calendar.SECOND));

System.out.println("今天是一年中的第：" + c.get(Calendar.DAY_OF_YEAR) + "天");

}

}

还有很多，自己发现吧。

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