Give an example of 2 thread-safe Collection in Java?’ 159) What is the relationship between equals and compareTo in Java? 160) What is the default size of ArrayList ,HashMap,HashSet,HashTable,Vector in Java? 161) What is the load factor, capacity, and Size of the Collection in Java?
Java 5 made it easy to create thread-safe singleton using Enum. Using a volatile variable is essential for the same.8. What is a class in Java? Java encapsulates codes in various classes that define new data types. These new data types are used to create objects....
Core Java is the starting point of any Java interview. A strong grip on Core Java is a must to clear the Java interview for experienced as well as beginners. This article lists the most important core java interview questions with answers. 2.Java 8 Interview Questions Java 8 was a major ...
This is acommonly asked Java algorithms interviewquestion. It tests your basic conceptual knowledge. Here’s how you can answer this:Quicksort, merge sort, heap sort, and insertion sort are some of the most used sorting algorithms. Q3. What are some examples of greedy algorithms? Travelling Sa...
This is list of some Java fundamental questions and answers, which are commonly asked in a Core Java interview for Experienced Developers. As a senior and matured Java Programmer you must know the answers to these questions to demonstrate basic understan
Interviewers ask this question for a variety of reasons. It’s important to know what these are so that you can address them in your answer: To check that you’re dedicated to constant improvement. Employers want to see that you have ambitions to advance your career. They’ll be more will...
java interview questions for experienced professionals java interview questions for 5 years experience Let’s get started… Interview Question 1: What are the main 3 Object Oriented Programing (OOP) concepts? 1. Encapsulation Encapsulationis a mechanism by which developer could hide implementatio...
is a Singleton class. Creating Singleton was tricky prior Java 4 but once Java 5 introduced Enum its very easy. see my articleHow to create thread-safe Singleton in Javafor more details on writing Singleton using enum and double checked locking which is purpose of this Java interview question...
Advanced Azure Interview Questions for Experienced 16. What is profiling in Azure? Profiling is only a procedure for measuring the performance analysis of an application. It is normally done to guarantee that the application is sufficiently steady and can maintain overwhelming traffic. Visual Studio ...
Good knowledge of Java IO API is important for any Java developer but many of them barely pay attention to Java IO and NIO API, and that's why they often struggle during Java interviews when a question related to Input-Output operation is asked. In the past, I have shared many Java int...