add 1768

Author: fishercoder1534

src/main/java/com/fishercoder/solutions/_1768.java

@@ -19,21 +19,23 @@ public String mergeAlternately(String word1, String word2) {
             return sb.toString();
         }
     }
+
     public static class Solution2 {
         public String mergeAlternately(String word1, String word2) {
             int len1 = word1.length();
             int len2 = word2.length();
             StringBuilder sb = new StringBuilder();
-
             int diffLen = Math.min(len1, len2);
-            int i = 0;
-            for(i = 0; i < diffLen; i++) {
+            int i;
+            for (i = 0; i < diffLen; i++) {
                 sb.append(word1.charAt(i));
                 sb.append(word2.charAt(i));
             }
-            if (i >= len1) sb.append(word2.substring(i));
-            else sb.append(word1.substring(i));
-
+            if (i >= len1) {
+                sb.append(word2.substring(i));
+            } else {
+                sb.append(word1.substring(i));
+            }
             return sb.toString();
         }
     }

src/test/java/com/fishercoder/_1768Test.java

@@ -5,8 +5,8 @@
 import org.junit.BeforeClass;
 import org.junit.Test;
 
-
 public class _1768Test {
+    private static _1768.Solution1 solution1;
     private static _1768.Solution2 solution2;
     private static String word1;
     private static String word2;
@@ -15,6 +15,7 @@ public class _1768Test {
 
     @BeforeClass
     public static void setup() {
+        solution1 = new _1768.Solution1();
         solution2 = new _1768.Solution2();
     }
 
@@ -23,6 +24,8 @@ public void test1() {
         word1 = "abc";
         word2 = "pqr";
         expected = "apbqcr";
+        actual = solution1.mergeAlternately(word1, word2);
+        Assert.assertEquals(actual, expected);
         actual = solution2.mergeAlternately(word1, word2);
         Assert.assertEquals(actual, expected);
     }