Testdome - Java Questions And Answers

import java.util.*; public class MergeNames public static String[] uniqueNames(String[] arr1, String[] arr2) // Guard against null inputs if (arr1 == null && arr2 == null) return new String[0];

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

public UUID raiseAlert() return storage.addAlert(LocalDateTime.now()); import java

public LocalDateTime getAlert(UUID id) return alerts.get(id); public LocalDateTime getAlert(UUID id) return alerts.get(id)

Many developers believe you either "know Java" or you don't. TestDome proves otherwise. You need specific strategies: handling null inputs, avoiding infinite loops, and optimizing for hidden test cases.