JAVA基础（39）---Calendar

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本文详细介绍Java中Calendar类的使用方法，包括如何获取当前日期和时间、设置特定日期、打印月份日历等。通过实例代码展示，帮助读者快速掌握Calendar类的功能。

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Calender

import java.util.Calendar;
public  class CalendarDemo{
	public static void main(String[] args)	{
	//创建Calendar对象
	Calendar  c = Calendar.getInstance();
	System.out.println(c.get(Calendar.YEAR));
	System.out.println(c.get(Calendar.MONTH) + 1);//0--11
	System.out.println(c.get(Calendar.DAY_OF_MONTH));
	System.out.println(c.get(Calendar.HOUR_OF_DAY));
	System.out.println(c.get(Calendar.MINUTE));
	System.out.println(c.get(Calendar.SECOND));
	System.out.println("----------------------------");
	//设置日历表示的日期
	Calendar  c1 = Calendar.getInstance();
	c1.set(Calendar.YEAR,2017);
	System.out.println(c1.get(Calendar.YEAR));
	c1.set(Calendar.MONTH,8);
	System.out.println(c1.get(Calendar.MONTH)+1);//0--11
	c1.set(Calendar.DAY_OF_MONTH,1);
	int day = c1.get(Calendar.DAY_OF_MONTH);

	System.out.println(c1.get(Calendar.DAY_OF_WEEK));
	for(int i = 0 ; i < 7; i++){
		switch(i){
			case 0 :
				System.out.print("日\t");
				break;
			case 1 :
				System.out.print("一\t");
				break;
			case 2 :
				System.out.print("二\t");
				break;
			case 3 :
				System.out.print("三\t");
				break;
			case 4 :
				System.out.print("四\t");
				break;
			case 5 :
				System.out.print("五\t");
				break;
			case 6 :
				System.out.print("六");
				break;
		}
		
		
		
	}
System.out.println();
int j = c1.get(Calendar.DAY_OF_WEEK) - 1;
for(int i = 0 ; i < j ; i ++){
	System.out.print("\t");

}

for(int i = 1; i < 31 ; i++){
			c1.set(Calendar.DAY_OF_MONTH,i);
			//System.out.print(c1.get(Calendar.DAY_OF_WEEK)+"-");
			if(c1.get(Calendar.DAY_OF_WEEK)==7 ){
				System.out.println(i);
			}else{
				System.out.print(i+"\t");
			}
		}







	}
}

注：更多详细方法请自行在 API 上查找