Create 0165-compare-version-numbers.java

Author: sujal-goswami

Diff for: java/0165-compare-version-numbers.java

@@ -0,0 +1,22 @@
+class Solution {
+    public int compareVersion(String version1, String version2) {
+        String[] v1 = version1.split("\\.");
+        String[] v2 = version2.split("\\.");
+
+        int len = Math.max(v1.length, v2.length);
+        for(int i = 0; i < len; i++){
+            int v_1 = 0, v_2 = 0;
+            if (i < v1.length)
+                v_1 = Integer.parseInt(v1[i]);
+            if(i < v2.length)
+                v_2 = Integer.parseInt(v2[i]);
+
+            if (v_1 < v_2)
+                return -1;
+            else if (v_1 > v_2) {
+                return 1;
+            }
+        }
+        return 0;
+    }
+}