Add LinearSearchRecursive.java and update README.md

Author: varnan6

README.md

@@ -367,8 +367,8 @@ In order to achieve greater coverage and encourage more people to contribute to
                 </a>
             </td>
             <td> <!-- Java -->
-                <a href="./CONTRIBUTING.md">
-                    <img align="center" height="25" src="./logos/github.svg" />
+                <a href="./src/java/LinearSearchRecursive.java.md">
+                    <img align="center" height="25" src="./logos/java.svg" />
                 </a>
             </td>
             <td> <!-- Python -->

src/java/LinearSearchRecursive.java

@@ -0,0 +1,17 @@
+public class LinearSearchRecursive {
+    public static void main(String[] args) {
+        int[] arr = {10,20,50,60,30,60,70,80,22,56,2,7,9,0,44};
+        System.out.println(LinearRecursive(arr, 0, 9));
+        System.out.println(LinearRecursive(arr, 0, 45));
+    }
+
+    public static int LinearRecursive(int[] arr, int i, int key){
+        
+        if(i<arr.length){
+            if(arr[i] == key) return i;
+            else return LinearRecursive(arr, i+1, key);
+        }
+
+        return -1;
+    }
+}