feat: Add Bitwise1 class demonstrating bitwise AND operation

Add a program that:
- Initializes two integers using binary literals
- Performs a bitwise AND (`&`) operation
- Prints the result of the bitwise computation
- Demonstrates basic use of bitwise operators in Java.

Author: Someshdiwan

Section5OperatorExpression/src/Bitwise1.java

@@ -1,17 +1,12 @@
-public class Bitwise1
-{
-    public static void main(String[] args)
-    {
+public class Bitwise1 {
+    public static void main(String[] args) {
         int x = 0b1010; //10;
-
         int y= 0b0110; //6;
 
         int z;
 
-        z = x & y;
-
-        //And Operation
+        z = x & y; //And Operation
 
         System.out.println(z);
     }
-}
+}