add 1507

Author: fishercoder1534

README.md

@@ -8,6 +8,7 @@ _If you like this project, please leave me a star._ ★
 
 |  #  |      Title     |   Solutions   | Video  | Difficulty  | Tag                   
 |-----|----------------|---------------|--------|-------------|-------------
+|1507|[Reformat Date](https://leetcode.com/problems/reformat-date/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1507.java) | |Easy|String|
 |1502|[Can Make Arithmetic Progression From Sequence](https://leetcode.com/problems/can-make-arithmetic-progression-from-sequence/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1502.java) | |Easy|Array, Sort|
 |1496|[Path Crossing](https://leetcode.com/problems/path-crossing/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1496.java) | |Easy|String|
 |1493|[Longest Subarray of 1's After Deleting One Element](https://leetcode.com/problems/longest-subarray-of-1s-after-deleting-one-element/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1493.java) | |Medium|Array|

src/main/java/com/fishercoder/solutions/_1507.java

@@ -0,0 +1,62 @@
+package com.fishercoder.solutions;
+
+public class _1507 {
+    public static class Solution1 {
+        public String reformatDate(String date) {
+            String[] dates = date.split(" ");
+            return dates[2] + "-" + getMonth(dates[1]) + "-" + getDay(dates[0]);
+        }
+
+        private String getDay(String day) {
+            String formatedDay = day.substring(0, day.length() - 2);
+            if (formatedDay.length() == 1) {
+                return "0" + formatedDay;
+            }
+            return formatedDay;
+        }
+
+        private String getMonth(String month) {
+            String result = "";
+            switch (month) {
+                case "Jan":
+                    result = "01";
+                    break;
+                case "Feb":
+                    result = "02";
+                    break;
+                case "Mar":
+                    result = "03";
+                    break;
+                case "Apr":
+                    result = "04";
+                    break;
+                case "May":
+                    result = "05";
+                    break;
+                case "Jun":
+                    result = "06";
+                    break;
+                case "Jul":
+                    result = "07";
+                    break;
+                case "Aug":
+                    result = "08";
+                    break;
+                case "Sep":
+                    result = "09";
+                    break;
+                case "Oct":
+                    result = "10";
+                    break;
+                case "Nov":
+                    result = "11";
+                    break;
+                case "Dec":
+                    result = "12";
+                    break;
+            }
+            return result;
+        }
+
+    }
+}

src/test/java/com/fishercoder/_1507Test.java

@@ -0,0 +1,22 @@
+package com.fishercoder;
+
+import com.fishercoder.solutions._1507;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import static junit.framework.TestCase.assertEquals;
+
+public class _1507Test {
+    private static _1507.Solution1 solution1;
+
+    @BeforeClass
+    public static void setup() {
+        solution1 = new _1507.Solution1();
+    }
+
+    @Test
+    public void test1() {
+        assertEquals("2052-10-20", solution1.reformatDate("20th Oct 2052"));
+    }
+
+}