refactor 475

Author: fishercoder1534

src/main/java/com/fishercoder/solutions/_475.java

@@ -3,7 +3,7 @@
 import java.util.Arrays;
 
 /**
- * 475. _475
+ * 475.
  *
  Winter is coming! Your first job during the contest is to design a standard heater with fixed warm radius to warm all the houses.
 
@@ -29,21 +29,22 @@
  */
 public class _475 {
 
-	//credit: https://discuss.leetcode.com/topic/71460/short-and-clean-java-binary-search-solution
-	public static int findRadius(int[] houses, int[] heaters) {
-		Arrays.sort(heaters);
-		int radius = Integer.MIN_VALUE;
-		for (int house : houses) {
-			int index = Arrays.binarySearch(heaters, house);
-			if (index < 0) {
-				index = ~index;
+	public static class Solution1 {
+		//credit: https://discuss.leetcode.com/topic/71460/short-and-clean-java-binary-search-solution
+		public int findRadius(int[] houses, int[] heaters) {
+			Arrays.sort(heaters);
+			int radius = Integer.MIN_VALUE;
+			for (int house : houses) {
+				int index = Arrays.binarySearch(heaters, house);
+				if (index < 0) {
+					index = ~index;
+				}
+				int distance1 = index - 1 >= 0 ? house - heaters[index - 1] : Integer.MAX_VALUE;
+				int distance2 = index < heaters.length ? heaters[index] - house : Integer.MAX_VALUE;
+
+				radius = Math.max(radius, Math.min(distance1, distance2));
 			}
-			int distance1 = index - 1 >= 0 ? house - heaters[index - 1] : Integer.MAX_VALUE;
-			int distance2 = index < heaters.length ? heaters[index] - house : Integer.MAX_VALUE;
-
-			radius = Math.max(radius, Math.min(distance1, distance2));
+			return radius;
 		}
-		return radius;
 	}
-
 }

src/test/java/com/fishercoder/_475Test.java

@@ -10,15 +10,15 @@
  * Created by fishercoder on 4/23/17.
  */
 public class _475Test {
-    private static _475 test;
+    private static _475.Solution1 test;
     private static int expected;
     private static int actual;
     private static int[] houses;
     private static int[] heaters;
 
     @BeforeClass
     public static void setup() {
-        test = new _475();
+        test = new _475.Solution1();
     }
 
     @Test