And date format date string conversion

public class Test {
	public static void main(String[] args) throws ParseException {
		parseIntoDate();
		formatDate();
	}
	//字符串转日期
	public static void parseIntoDate() throws ParseException{
		SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd");
		//将yyyy-MM-dd这种格式的字符串转换成日期
		Date date = sdf.parse("2018-07-27");
		System.out.println(date);
	}
	//格式化日期
	public static void formatDate(){
		SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd");
		String date = sdf.format(new Date());
		System.out.println(date);
	}

}

operation result: