Want to store unique values in a Java. Which collection i can use here?
Senior Java Software Developer Interview Questions
5,569 senior java software developer interview questions shared by candidates
really simple ordering and sum price in static data structure
1. Multithreading concepts 2. JVM questions 3. Sliding window leet code problem 4. Stocks leet code problem
JVM Architecture. All interfaces in collection. casting hashmap and hashtable diff. in one line. this much only.
You are given an array of words (strings) and an integer k k k. Your task is to write a function that returns the k k k longest words from the array. If there are fewer than k k k words in the array, return all the words sorted by length in descending order. If there are ties in length, return the words in alphabetical order. Input: An array of strings words[] where each string consists of lowercase and uppercase letters only. An integer k k k (1 ≤ k k k ≤ 100). Output: An array of the k k k longest words, sorted by length (and alphabetically if lengths are equal). Example: plaintextInput: words = ["apple", "banana", "kiwi", "grape", "watermelon"], k = 3 Output: ["watermelon", "banana", "apple"] Input: words = ["cat", "bat", "rat"], k = 5 Output: ["bat", "cat", "rat"] Constraints: The output array should not exceed k k k elements. You may assume that the input will always have at least one word.
Prepare for every topics that are needed.
Difference between Spring MVC & SpringBoot
Do you know Microservices ?
How to deploy the app to multiple environment ?
One example: in the same class you have methods with the same names, both with one parameter, first is taking Object and second is taking String. You call the method with null parameter, which method will be called and why? (Would you write a code like this in a real project?)
Viewing 371 - 380 interview questions