Added SortAndStar problem

src/test/java/io/github/sandeeplakka/codewars/kyu8/SortAndStar.java

@@ -0,0 +1,51 @@
+package io.github.sandeeplakka.codewars.kyu8;
+
+import org.junit.jupiter.api.Test;
+
+import java.util.Arrays;
+import java.util.stream.Collectors;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+/*
+Sort and Star
+
+
+
+You will be given a list of strings. You must sort it alphabetically
+(case-sensitive, and based on the ASCII values of the chars) and then return the first value.
+The returned value must be a string, and have "***" between each of its letters.
+You should not remove or add elements from/to the array.
+
+Categories : Fundamentals, Strings, Arrays
+
+ */
+public class SortAndStar {
+
+    @Test
+    public void testFixed() {
+        assertEquals("b***i***t***c***o***i***n",
+                twoSort(new String[]{"bitcoin", "take", "over", "the", "world", "maybe", "who", "knows", "perhaps"}));
+        assertEquals("a***r***e",
+                twoSort(new String[]{"turns", "out", "random", "test", "cases", "are", "easier",
+                        "than", "writing", "out", "basic", "ones"}));
+        assertEquals("a***b***o***u***t",
+                twoSort(new String[]{"lets", "talk", "about", "javascript", "the", "best", "language"}));
+        assertEquals("c***o***d***e",
+                twoSort(new String[]{"i", "want", "to", "travel", "the", "world", "writing", "code", "one", "day"}));
+        assertEquals("L***e***t***s",
+                twoSort(new String[]{"Lets", "all", "go", "on", "holiday", "somewhere", "very", "cold"}));
+    }
+
+    public static String twoSort(String[] s) {
+        if (s.length == 0) return null;
+
+        String result = s[0];
+        for (String value : s) {
+            if (value.charAt(0) < result.charAt(0)) {
+                result = value;
+            }
+        }
+        return Arrays.stream(result.split("")).collect(Collectors.joining("***"));
+    }
+}