Merge branch 'main' of https://github.com/Dokyung-Hwang/CSAlgo

src/algorithm/solution/smileDK/programmers/sort/BubbleSort.java

@@ -0,0 +1,34 @@
+package algorithm.solution.smileDK.programmers.sort;
+
+import java.util.Arrays;
+
+public class BubbleSort {
+
+    public static int[] bubbleSort(int[] arr) {
+        return bubbleSort(arr, arr.length);
+    }
+
+    public static int[] bubbleSort(int[] arr, int size) {
+
+        for (int i = 1; i < size; i++) {
+            for (int j = 0; j < size - 1; j++) {
+                if (arr[j] > arr[j + 1]) {
+                    swap(arr, j, j+1);
+                }
+            }
+        }
+
+        return arr;
+    }
+
+    private static void swap(int[] arr, int i, int j) {
+        int temp = arr[i];
+        arr[i] = arr[j];
+        arr[j] = temp;
+    }
+
+    public static void main(String[] args) {
+        int[] arr = new int[]{8, 5, 6, 2, 4};
+        System.out.println(Arrays.toString(bubbleSort(arr)));
+    }
+}