Java — Logical, Bitwise, Unary & Ternary Operators

public class Main {
    public static void main(String[] args) {
        // 1. Short-Circuit Logical Evaluation
        int age = 22;
        boolean hasVoterCard = true;
        boolean canVote = (age >= 18) && hasVoterCard;
        System.out.println("Voting Eligibility: " + canVote);

        // 2. Prefix vs Postfix Increment
        int p = 10;
        int q = ++p; // Prefix: p becomes 11, q receives 11
        System.out.println("Prefix (p, q)  : p=" + p + ", q=" + q);

        int m = 10;
        int n = m++; // Postfix: n receives 10, m becomes 11
        System.out.println("Postfix (m, n) : m=" + m + ", n=" + n);

        // 3. Ternary Operator
        double cartTotal = 1500.00;
        double shippingFee = (cartTotal >= 1000.00) ? 0.00 : 50.00;
        System.out.println("Cart: ₹" + cartTotal + " | Shipping Fee: ₹" + shippingFee);

        // 4. Bitwise Operations
        int bitA = 0b0101; // 5 in binary
        int bitB = 0b0011; // 3 in binary
        System.out.println("
--- Bitwise Operations (5 & 3) ---");
        System.out.println("5 & 3 (AND) : " + (bitA & bitB)); // 0001 = 1
        System.out.println("5 | 3 (OR)  : " + (bitA | bitB)); // 0111 = 7
        System.out.println("5 ^ 3 (XOR) : " + (bitA ^ bitB)); // 0110 = 6
        System.out.println("5 << 1 (Shift Left * 2): " + (bitA << 1)); // 10
    }
}

Voting Eligibility: true
Prefix (p, q)  : p=11, q=11
Postfix (m, n) : m=11, n=10
Cart: ₹1500.0 | Shipping Fee: ₹0.0

--- Bitwise Operations (5 & 3) ---
5 & 3 (AND) : 1
5 | 3 (OR)  : 7
5 ^ 3 (XOR) : 6
5 << 1 (Shift Left * 2): 10

public class AccessControlDemo {
    public static void main(String[] args) {
        boolean isAuthenticated = true;
        boolean isAdmin = false;
        boolean hasSpecialPermission = true;

        // Enterprise authorization rule:
        // User must be authenticated AND (be an Admin OR have special permission)
        boolean hasAccess = isAuthenticated && (isAdmin || hasSpecialPermission);

        String accessBadge = hasAccess ? "[ACCESS GRANTED] Level 2 Clearance" : "[ACCESS DENIED]";
        System.out.println("Security Check Result: " + accessBadge);
    }
}