우당탕탕 개발일기

6-4. (SelectionSort) _ 단순 선택 정렬 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 package practice; import java.util.Scanner; public class SelectionSort_6_4 { static void swap(int[]a, int idx1, int idx2) { int t = a[idx1]; a[idx1] = a[idx2]; a[idx2] = t; } static void selectionSort(int[]a, int n) { for (int i..

3C-1. (ID_Tester) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 package practice; class ID{ /*싱글톤?*/ private static int counter = 0; private int id; public ID() { id = ++counter; } public int getId() { return id; } public static int getCounter() { return counter; } } public class ID_Tester_3C_1 { public static void main(String[] args) { ID a = new ID(); ID b = new ID();..