refactor 393

fishercoder1534 · fishercoder1534 · commit a32fa1b89db5 · 2019-02-10T08:05:24.000-08:00
diff --git a/src/main/java/com/fishercoder/solutions/_393.java b/src/main/java/com/fishercoder/solutions/_393.java
@@ -38,29 +38,31 @@
  */
 public class _393 {
 
-    /**credit: https://discuss.leetcode.com/topic/58338/bit-manipulation-java-6ms/4*/
-    public boolean validUtf8(int[] data) {
-        int count = 0;
-        for (int d : data) {
-            if (count == 0) {
-                if ((d >> 5) == 0b110) {
-                    count = 1;
-                } else if ((d >> 4) == 0b1110) {
-                    count = 2;
-                } else if ((d >> 3) == 0b11110) {
-                    count = 3;
-                } else if ((d >> 7) == 1) {
-                    return false;
-                }
-            } else {
-                if ((d >> 6) != 0b10) {
-                    return false;
+    public static class Solution1 {
+        /** credit: https://discuss.leetcode.com/topic/58338/bit-manipulation-java-6ms/4 */
+        public boolean validUtf8(int[] data) {
+            int count = 0;
+            for (int d : data) {
+                if (count == 0) {
+                    if ((d >> 5) == 0b110) {
+                        count = 1;
+                    } else if ((d >> 4) == 0b1110) {
+                        count = 2;
+                    } else if ((d >> 3) == 0b11110) {
+                        count = 3;
+                    } else if ((d >> 7) == 1) {
+                        return false;
+                    }
                 } else {
-                    count--;
+                    if ((d >> 6) != 0b10) {
+                        return false;
+                    } else {
+                        count--;
+                    }
                 }
             }
+            return count == 0;
         }
-        return count == 0;
     }
 
 }
diff --git a/src/test/java/com/fishercoder/_393Test.java b/src/test/java/com/fishercoder/_393Test.java
@@ -7,34 +7,31 @@
 
 import static junit.framework.Assert.assertEquals;
 
-/**
- * Created by fishercoder on 5/3/17.
- */
 public class _393Test {
-    private static _393 test;
-    private static boolean expected;
-    private static boolean actual;
-    private static int[] data;
+  private static _393.Solution1 solution1;
+  private static boolean expected;
+  private static boolean actual;
+  private static int[] data;
 
-    @BeforeClass
-    public static void setup() {
-        test = new _393();
-    }
+  @BeforeClass
+  public static void setup() {
+    solution1 = new _393.Solution1();
+  }
 
-    @Test
-    @Ignore
-    public void test1() {
-        data = new int[]{197, 130, 1};
-        expected = true;
-        actual = test.validUtf8(data);
-        assertEquals(expected, actual);
-    }
+  @Test
+  @Ignore
+  public void test1() {
+    data = new int[] {197, 130, 1};
+    expected = true;
+    actual = solution1.validUtf8(data);
+    assertEquals(expected, actual);
+  }
 
-    @Test
-    public void test2() {
-        data = new int[]{5};
-        expected = true;
-        actual = test.validUtf8(data);
-        assertEquals(expected, actual);
-    }
+  @Test
+  public void test2() {
+    data = new int[] {5};
+    expected = true;
+    actual = solution1.validUtf8(data);
+    assertEquals(expected, actual);
+  }
 }
