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๐Ÿ‘ฉ‍๐Ÿ’ปํ”„๋กœ๊ทธ๋ž˜๋ฐ&DB/Java 26
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[JAVA] LinkedList&Collections ํด๋ž˜์Šค ํ™œ์šฉ ์˜ˆ์ œ
LinkedList&Collections ํด๋ž˜์Šค ํ™œ์šฉ ์˜ˆ์ œ ์ถ”๊ฐ€์ ์œผ๋กœ Iterator ํ™œ์šฉํ•ด๋ณด๊ธฐ import java.util.Collections; import java.util.Iterator; import java.util.LinkedList; public class LinkedListEx { static void printList(LinkedList list) { Iterator it = list.iterator(); while(it.hasNext()) { System.out.print(it.next()+" "); } System.out.println(""); } public static void main(String args[]) { LinkedList myList = new LinkedList..
2023.11.17
๐Ÿ‘ฉ‍๐Ÿ’ปํ”„๋กœ๊ทธ๋ž˜๋ฐ&DB/Java
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[JAVA] HashMap์„ ์‚ฌ์šฉํ•œ ์‘์šฉ ๋ฌธ์ œ
https://hyane.tistory.com/530 [JAVA] StringTokenizer, StringBuffer๋ฅผ ์ด์šฉํ•œ ์˜ˆ์ œ * ์•„๋ž˜์˜ ๊ฒฐ๊ณผ๊ฐ€ ๋‚˜์˜ค๋„๋ก 1~4์˜ ์กฐ๊ฑด์„ ๋ณด๊ณ  paring๊ณผ StrAppend๋ฅผ ์ž‘์„ฑํ•˜์„ธ์š”. (ํžŒํŠธ: parsing-StringTokenizer์ด์šฉ, StrAppend-StringBuffer์ด์šฉ, ๋ฌธ์ž์—ด๊ณผ ์ˆซ์ž๋ณ€ํ™˜์—๋Š” Wrapperํด๋ž˜์Šค ์ด์šฉ) Student ํด๋ž˜์Šค - ๋ฉค๋ฒ„๋ณ€ hyane.tistory.com ↑๊ธฐ๋ณธ ์ฝ”๋“œ 1. ํ•ด์‹œ๋งต(key: ํ•™๋ฒˆ, value: Student ๊ฐ์ฒด)์ƒ์„ฑ static HashMap makeHashMap(Student[] s) 2. Iterator๋ฅผ ์ด์šฉํ•˜์—ฌ ํ•ด์‹œ๋งต ์ถœ๋ ฅ static void printHashMap(HashMap h) 3. ํŠน..
2023.11.16
๐Ÿ‘ฉ‍๐Ÿ’ปํ”„๋กœ๊ทธ๋ž˜๋ฐ&DB/Java