java json convert to List
ยท
Languages/JAVA
List blockList = new ArrayList (); String ttt = "{\"list_block\":[\"01011111111\", \"01011112222\"]}"; JsonNode root = new ObjectMapper().readTree(ttt); // ๋ฐฐ์—ด์— ์žˆ๋Š” ๊ฐ’๋“ค ๊ฐ€์ ธ์˜ค๊ธฐ if( root.path("list_block").isArray() ){ Iterator it = root.path("list_block").iterator(); while(it.hasNext()){ blockList.add(it.next().getTextValue()); } }
How to do an array of hashmaps?
ยท
Languages/JAVA
import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; public class testHashes { public static void main(String args[]){ Map myMap1 = new HashMap(); List myMap = new ArrayList(); myMap1.put("URL", "Val0"); myMap1.put("CRC", "Vla1"); myMap1.put("SIZE", "Val2"); myMap1.put("PROGRESS", "Val3"); myMap.add(0,myMap1); myMap.add(1,myMap1); for (Map map : myMa..
ํ™˜๊ฒฝ๋ณ€์ˆ˜ ์„ค์ •
ยท
Languages/JAVA
๊ธฐ์ดˆ์ ์ธ๊ฒƒ ๋ถ€ํ„ฐ ํ•˜๋‚˜์”ฉ ์จ๋ณด๊ฒ ์–ด์š”. ์‹œ์Šคํ…œ ์†์„ฑ → ๊ณ ๊ธ‰ → ํ™˜๊ฒฝ๋ณ€์ˆ˜์—์„œ ํ•˜๋‹จ ์‹œ์Šคํ…œ ๋ณ€์ˆ˜์— ์ถ”๊ฐ€ํ•ด์ค˜์•ผ ํ•ฉ๋‹ˆ๋‹ค. ์ƒˆ๋กœ๋งŒ๋“ค๊ธฐ ํƒญ์„ ๋ˆ„๋ฅด์‹œ๊ณ  1. JAVA_HOME C:\Program Files\Java\jdk1.7.0_09 ์ž๋ฐ”์˜ ๊ธฐ๋ณธ ์œ„์น˜ ์„ค์ • ํ›„ 2. Path ;%JAVA_HOME%\bin ๊ธฐ์กด์— ์กด์žฌํ•˜๋Š” Path์— ํŽธ์ง‘ ๋ฒ„ํŠผ์„ ๋ˆ„๋ฅธํ›„ ์ถ”๊ฐ€ํ•ด์ค๋‹ˆ๋‹ค. ์•ž์— ์„ธ๋ฏธ์ฝœ๋ก ๋„ ๋นผ๋จน์œผ์‹œ๋ฉด ์•ˆ๋ฉ๋‹ˆ๋‹ค. 3. CLASSPATH .;%JAVA_HOME%\lib ์ƒˆ๋กœ ๋งŒ๋“ค๊ธฐ๋ฅผ ํด๋ฆญํ•œ ํ›„ ์ž๋ฐ” ๋„๊ตฌ๋ฅผ ํ™˜๊ฒฝ๋ณ€์ˆ˜ ์„ค์ •ํ•ด์ค๋‹ˆ๋‹ค. 4. JRE_HOME C:\Program Files\Java\jre7 java se ๋ฒ„์ „์€ jdk1.7.0_09 ํด๋” ์•ˆ์— jreํด๋”๊ฐ€ ์กด์žฌ ํ•˜์ง€๋งŒ java ee ๋ฒ„์ „์—์„œ๋Š” ๋ณ„๋„๋กœ jre7์„ ์„ค์น˜ ํ•ด์ค˜์•ผ ..