Printing without newline: which method?
Formatting double values for prices?
Consequences of deep nesting?
Simple condition for free shipping eligibility?
Nested conditions in promotional logic?
Avoid deep nesting in large systems?
Boolean flags like isEligibleForDiscount?
Designing branching logic for discounts?
Using if-else for checkout logic?
Why use 'System.out.println()' in a console app?