feat: Add Bitwise5 class demonstrating right shift operation

Add a program that:
- Initializes an integer using a binary literal
- Applies a right shift (`>>`) by 1 bit
- Prints the result, showing how bits move right and value is halved
- Demonstrates the use of right shift in Java's bitwise operations

Author: Someshdiwan

Section5OperatorExpression/src/Bitwise5.java

@@ -1,20 +1,19 @@
-public class Bitwise5
-{
+public class Bitwise5 {
     public static void main(String[] args) {
-        int x = 0b1000;
-
+        int x = 0b1000; //x = 8.
         int y;
 
-        y=x>>1;
+        y=x>>1; //right shift by one decimal, or we can say that bits.
 
         System.out.println(y);
     }
 }
+
 /*
 It shifts the bits of x one position to the right, while preserving the sign bit (leftmost bit).
 
 Key Points:
 For positive numbers, it's equivalent to dividing by 2.
 For negative numbers, it rounds down (towards negative infinity).
 The leftmost bit (sign bit) remains the same, ensuring sign extension.
-*/
+*/