Java – Page 285 – Sharp: NCLEX, Java & Python

Java: Default Methods and Multiple Inheritance Rules

How would you explain a common mistake when using default methods in Java interfaces in an interview?

Why clear input buffer after nextInt()?

Why are default methods beneficial in API evolution?

Using printf() with incorrect format specifier?

Reading a price with Scanner?

Formatting a price to two decimals?

Avoid deep nesting in large systems?

Boolean flags like isEligibleForDiscount?

Designing branching logic for discounts?

Using if-else for checkout logic?