implement selection sort logic

src/algorithms/SelectionSort.java

@@ -0,0 +1,40 @@
+package algorithms;
+
+import ui.Utils;
+
+import java.util.ArrayList;
+
+public class SelectionSort extends AlgorithmSort {
+
+    public SelectionSort(ArrayList<Integer> array) {
+        super(array);
+    }
+
+    @Override
+    public void sort() {
+
+        if (array.isEmpty()) {
+            System.out.println("Array is empty, nothing to sort.");
+            return;
+        }
+
+        int n = array.size();
+        for (int i = 0; i < n - 1; i++) {
+            int currentMin = i;
+
+            for (int j = i + 1; j < n; j++) {
+                if (array.get(j) < array.get(currentMin)) {
+                    currentMin = j;
+                }
+            }
+
+            if (currentMin != i) {
+                int temp = array.get(i);
+                array.set(i, array.get(currentMin));
+                array.set(currentMin, temp);
+            }
+
+            Utils.printArray(array);
+        }
+    }
+}