Testdome Java Questions And Answers May 2026

// Returns true if string is palindrome, ignoring case and non-alphanumeric public static boolean isPalindrome(String s) // Write solution using two pointers

The Math.abs(discriminant) < 1e-10 check catches floating-point errors. Many solutions fail because 1e-15 precision causes unexpected negative discriminants. 4. The "Alert Service" Problem (Inheritance & Polymorphism) Prompt: Refactor the AlertService and MapAlertDAO classes to remove the hardcoded dependency. Use dependency injection. testdome java questions and answers

public LocalDateTime getAlertTime(UUID id) return storage.getAlert(id); // Returns true if string is palindrome, ignoring