ImprovedArray added

blownengine · blownengine · commit ff7ca59db4c8 · 2015-04-15T20:43:36.000+03:00
diff --git a/src/ImprovedArray.java b/src/ImprovedArray.java
@@ -0,0 +1,81 @@
+import java.util.Arrays;
+
+/**
+ * Created by EKarpenko on 15.04.2015.
+ */
+public class ImprovedArray {
+    private String[] array = new String[10];
+    private int arrayCounter = 0;
+
+    public static void main(String[] args) {
+        ImprovedArray improvedArray = new ImprovedArray();
+        improvedArray.add("4");
+        improvedArray.add("42");
+        improvedArray.add("1");
+        improvedArray.add("465");
+        improvedArray.add("38");
+        improvedArray.add("328");
+        improvedArray.add("82");
+        improvedArray.add("51");
+        improvedArray.add("118");
+        improvedArray.add("108");
+        improvedArray.add("19");
+        improvedArray.add("518");
+
+        String[] array2 = {"4", "42", "1", "465", "38", "328", "82", "51", "118", "108", "19", "518",
+                null, null, null, null, null, null, null, null};
+
+        System.out.println(improvedArray.toString());
+        System.out.println(improvedArray.get(55));
+        System.out.println(improvedArray.size());
+        System.out.println(improvedArray.equals(array2));
+    }
+
+    public void add(String value) {
+        if (arrayCounter >= array.length) {
+            array = Arrays.copyOf(array, array.length * 2);
+        }
+
+        array[arrayCounter++] = value;
+    }
+
+    public String get(int index) {
+        return index < arrayCounter ? array[index] : null;
+    }
+
+    public int size() {
+        return arrayCounter;
+    }
+
+    public boolean equals(Object other) {
+        String[] otherArray = (String[]) other;
+
+        if (array.length != otherArray.length) {
+            return false;
+        }
+
+        for (int i = 0; i < array.length; i++)
+        {
+            if (array[i] == null && otherArray[i] == null) {
+                continue;
+            }
+
+            if (array[i] == null || otherArray[i] == null || !array[i].equals(otherArray[i])) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    public String toString() {
+        String string = "[";
+        for (int i = 0; i < array.length; i++)
+        {
+            string += array[i] != null ? array[i] : " ";
+            string += (i < array.length - 1 ? ", " : "");
+        }
+        string += "]";
+        return string;
+    }
+}
