refactor 532

fishercoder1534 · fishercoder1534 · commit 8ba7179fabd7 · 2019-06-15T09:27:04.000-07:00
diff --git a/src/main/java/com/fishercoder/solutions/_532.java b/src/main/java/com/fishercoder/solutions/_532.java
@@ -32,29 +32,31 @@ The pairs (i, j) and (j, i) count as the same pair.
  */
 public class _532 {
 
-    public int findPairs(int[] nums, int k) {
-        if (nums == null || nums.length == 0 || k < 0) {
-            return 0;
-        }
+    public static class Solution1 {
+        public int findPairs(int[] nums, int k) {
+            if (nums == null || nums.length == 0 || k < 0) {
+                return 0;
+            }
 
-        Map<Integer, Integer> map = new HashMap();
-        for (int num : nums) {
-            map.put(num, map.getOrDefault(num, 0) + 1);
-        }
+            Map<Integer, Integer> map = new HashMap();
+            for (int num : nums) {
+                map.put(num, map.getOrDefault(num, 0) + 1);
+            }
 
-        int answer = 0;
-        for (int key : map.keySet()) {
-            if (k == 0) {
-                if (map.get(key) >= 2) {
-                    answer++;
-                }
-            } else {
-                if (map.containsKey(key + k)) {
-                    answer++;
+            int answer = 0;
+            for (int key : map.keySet()) {
+                if (k == 0) {
+                    if (map.get(key) >= 2) {
+                        answer++;
+                    }
+                } else {
+                    if (map.containsKey(key + k)) {
+                        answer++;
+                    }
                 }
             }
+            return answer;
         }
-        return answer;
     }
 
 }
diff --git a/src/test/java/com/fishercoder/_532Test.java b/src/test/java/com/fishercoder/_532Test.java
@@ -12,15 +12,15 @@
 import static junit.framework.Assert.assertEquals;
 
 public class _532Test {
-    private static _532 test;
+    private static _532.Solution1 test;
     private static int expected;
     private static int actual;
     private static int k;
     private static int[] nums;
 
     @BeforeClass
     public static void setup() throws IOException {
-        test = new _532();
+        test = new _532.Solution1();
         Properties properties = new Properties();
         InputStream inputStream = _532.class.getClassLoader().getResourceAsStream("fishercoder.properties");
         properties.load(inputStream);
