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[Basic] String to Date, Date to String ํ˜• ๋ณ€ํ™˜

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QUOTE THE DAY

โ€œ ์ด๋ฏธ ์ˆ˜๋ฐฑ ๋งŒ ๊ฐœ์˜ ํƒ€์ž๊ธฐ ์•ž์— ์ˆ˜๋ฐฑ ๋งŒ ์›์ˆญ์ด๋“ค์ด ์•‰์•„์žˆ์ง€๋งŒ ์œ ์ฆˆ๋„ท์—๋Š” ์„ธ์ต์Šคํ”ผ์–ด๊ฐ€ ์—†๋‹ค. โ€

- Alan J. Perlis (์•จ๋Ÿฐ J. ํŽ„๋ฆฌ์Šค)
 

import java.text.SimpleDateFormat; import java.util.Date; //String to Date String str="2020-08-12 17:52:08"; SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); Date strToDate=sdf.parse(str); //return : Wed Aug 12 17:52:08 KST 2020 //Date to String SimpleDateFormat f1 = new SimpleDateFormat("yyyyMMdd"); SimpleDateFormat f2 = new SimpleDateFormat("yyyy-MM-dd"); SimpleDateFormat f3 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); Date sysdate = new Date(); //return : Wed Aug 12 17:52:08 KST 2020 String sys1=f1.format(sysdate); String sys2=f2.format(sysdate); String sys3=f3.format(sysdate); System.out.println(sys1); //return : 20200812 System.out.println(sys2); //return : 2020-08-12 System.out.println(sys3); //return : 2020-08-12 17:52:08

 

 

 

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