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[Java] SimpleDateFormat ํŒจํ„ด/์‚ฌ์šฉ๋ฒ•

by yunamom 2022. 4. 12.
๋ฐ˜์‘ํ˜•

๊ธฐํ˜ธ ์˜๋ฏธ ์ถœ๋ ฅ
G ์—ฐ๋Œ€(BC,AD) AD
y ๋…„๋„ 2022
M ์›” (1~12์›” ๋˜๋Š” 1์›”~12์›”) 4๋˜๋Š” 4์›”, April
w ๋…„์˜ ๋ช‡ ๋ฒˆ์งธ ์ฃผ(1~53) 16
W ์›”์˜ ๋ช‡ ๋ฒˆ์งธ ์ฃผ(1~5) 3
D ๋…„์˜ ๋ช‡ ๋ฒˆ์งธ ์ผ(1~366) 102
d ์›”์˜ ๋ช‡ ๋ฒˆ์งธ ์ผ(1~31) 12
F ์›”์˜ ๋ช‡ ๋ฒˆ์งธ ์š”์ผ(1~5) 2
E ์š”์ผ Tue or ํ™”
a ์˜ค์ „/์˜คํ›„(AM,PM) AM
H ์‹œ๊ฐ„(0~23) 10
k ์‹œ๊ฐ„(1~24) 10
K ์‹œ๊ฐ„(0~11) 10
h ์‹œ๊ฐ„(1~12) 10
m ๋ถ„(0~59) 0
s ์ดˆ(0~59) 0
S ์ฒœ๋ถ„์˜ 1์ดˆ(0~999) 468
z Time zone(General time zone) KST
Z Time zone(RFC 822 time zone) +0900
' escape๋ฌธ์ž(ํŠน์ˆ˜๋ฌธ์ž๋ฅผ ํ‘œํ˜„ํ•˜๋Š”๋ฐ ์‚ฌ์šฉ)  

๐Ÿ’กnew SimpleDateFormat("yyyy๋…„ MM์›” dd์ผ E์š”์ผ", Locale.KOREAN);

๋‚ ์งœ ํฌ๋งท ํ˜•์‹ ์ง€์ • ์‹œ

์ง€์—ญ์„ค์ •์„ ํ•œ๊ตญ์–ด๋กœ ํ•ด์•ผ mon์š”์ผ, tue์š”์ผ ๋“ฑ ๋ฐฉ์ง€ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;


public class test {
	
	 public static void main(String[] args) throws ParseException {
		/* ์‹œ์ž‘ , ๋ ๋‚ ์งœ ์ž„์˜ ์„ธํŒ… */

		 Date today = new Date();
		 
		 SimpleDateFormat format0,format1,format2,format3,format4;
		 SimpleDateFormat format5,format6,format7,format8,format9,format10;
		 
		 format0 = new SimpleDateFormat("yyyyMMdd");
		 format1 = new SimpleDateFormat("yyyy-MM-dd");
		 format2 = new SimpleDateFormat("''yy๋…„ MM์›” dd์ผ E์š”์ผ",Locale.KOREAN);
		 format3 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
		 format4 = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss a");
		 
		 format5 = new SimpleDateFormat("์˜ค๋Š˜์€ ์˜ฌ ํ•ด์˜ D๋ฒˆ์งธ ๋‚ ");
		 format6 = new SimpleDateFormat("์˜ค๋Š˜์€ ์ด ๋‹ฌ์˜ d๋ฒˆ์งธ ๋‚ ");
		 format7 = new SimpleDateFormat("์˜ค๋Š˜์€ ์˜ฌ ํ•ด์˜ w๋ฒˆ์งธ ์ฃผ");
		 format8 = new SimpleDateFormat("์˜ค๋Š˜์€ ์ด ๋‹ฌ์˜ W๋ฒˆ์งธ ์ฃผ");
		 format9 = new SimpleDateFormat("์˜ค๋Š˜์€ ์ด ๋‹ฌ์˜ F๋ฒˆ์งธ E์š”์ผ",Locale.KOREAN);
	 
		 format10 = new SimpleDateFormat("G,y,M,w,W,D,d,F,E,a,H,k,K,h,m,s,S,z,Z");
		 
		 System.out.println(format0.format(today));
		 System.out.println(format1.format(today));
		 System.out.println(format2.format(today));
		 System.out.println(format3.format(today));
		 System.out.println(format4.format(today));
		 System.out.println();
		 System.out.println(format5.format(today));
		 System.out.println(format6.format(today));
		 System.out.println(format7.format(today));
		 System.out.println(format8.format(today));
		 System.out.println(format9.format(today));
		 System.out.println();
		 System.out.println(format10.format(today));
	 }
}
/* ์ถœ๋ ฅ ๊ฒฐ๊ณผ */

20220412
2022-04-12
'22๋…„ 04์›” 12์ผ ํ™”์š”์ผ
2022-04-12 10:00:00.468
2022-04-12 10:00:00 AM

์˜ค๋Š˜์€ ์˜ฌ ํ•ด์˜ 102๋ฒˆ์งธ ๋‚ 
์˜ค๋Š˜์€ ์ด ๋‹ฌ์˜ 12๋ฒˆ์งธ ๋‚ 
์˜ค๋Š˜์€ ์˜ฌ ํ•ด์˜ 16๋ฒˆ์งธ ์ฃผ
์˜ค๋Š˜์€ ์ด ๋‹ฌ์˜ 3๋ฒˆ์งธ ์ฃผ
์˜ค๋Š˜์€ ์ด ๋‹ฌ์˜ 2๋ฒˆ์งธ ํ™”์š”์ผ

AD,2022,4,16,3,102,12,2,Tue,AM,10,10,10,10,0,0,468,KST,+0900

 

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