diff --git a/algorithms/Java/Maths/check-prim-or-not.java b/algorithms/Java/Maths/check-prim-or-not.java
deleted file mode 100644
index 72d61f2b..00000000
--- a/algorithms/Java/Maths/check-prim-or-not.java
+++ /dev/null
@@ -1,21 +0,0 @@
-import java.util.*;
-
-public class Main{
-    public static void main(String[] args) {
-    Scanner scn = new Scanner(System.in);
-    int num = scn.nextInt();
-    boolean ans = isPrime(num);
-      if(ans =!  true) System.out.println("not prime");
-      else System.out.println("prime");
-    }
-    
-   
-    public static boolean isPrime(int num){
-        for(int i=2; i*i<num; i++){
-            if(num %2 ==0){
-                return false;
-            }
-        }
-        return true;
-    }
-}
diff --git a/algorithms/Java/Maths/check-prime-or-not.java b/algorithms/Java/Maths/check-prime-or-not.java
new file mode 100644
index 00000000..0a1f2ca2
--- /dev/null
+++ b/algorithms/Java/Maths/check-prime-or-not.java
@@ -0,0 +1,19 @@
+import java.util.*;
+
+public class main {
+    public static void main(String[] args) {
+        Scanner scn = new Scanner(System.in);
+        int num = scn.nextInt();
+        boolean ans = isPrime(num);
+        System.out.println(ans!=true?"not-prime":"prime");
+    }
+
+    public static boolean isPrime(int num) {
+        for (int i = 2; i * i <= num; i++) {
+            if (num % 2 == 0) {
+                return false;
+            }
+        }
+        return true;
+    }
+}