204 Tutorials Available in interview

How to remove duplicates and sort the array without using inbuilt functions like .sort or sorting algorithms from an unsorted array

What is Polling Publisher Pattern in Microservices

microservices interview

What is a Transactional Log Trailing in Microservices

microservices interview

What is a Transactional Outbox Table in Microservices

microservices interview

What is a Strangler Application in Microservices

microservices interview

What is Event Sourcing in Microservices

microservices interview

What is CQRS Pattern in Microservices

microservices interview

What is Data Offloading in Microservices

microservices interview

What is Scaling Cube in Microservices

microservices interview

What is Container in Microservices

microservices interview

What is Mike Cohen's Test pyramid in Microservices

microservices interview

What is Side Car Pattern in the Microservices

microservices interview

What is Server side Service Discovery in the Microservices

microservices interview

What is Client side Service Discovery in the Microservices

microservices interview

What is a Service Discovery and how is it implemented in the Microservices

microservices interview

What is Idempotence and its usages in Microservices

microservices interview

What is OAuth and Why is it important in Microservices

microservices interview

What is Continuous Monitoring in Microservices

microservices interview

What is Semantic Monitoring in Microservices

microservices interview

What are Client Certificates in Microservices

microservices interview

What is a CDC or Consumer Defined Contract in Microservice

microservices interview

How do independent Microservices communicate with each other

microservices interview

What is the load factor of Hashmap in Java

What is Bounded Context in Microservices

microservices interview

How to implement bubble sort by using only one for loop

What is a Orchestration Pattern in Microservices

microservices interview

Why don't Java's +=, -=, *=, /= compound assignment operators require casting?

What is a Choreography Pattern in Microservices

microservices interview

Write a Comparator in Java to compare two employees based upon name, age and address

What is a Saga Pattern in Microservices and Why distributed transactions named as SAGA?

microservices interview

What is a Two-Phase Commit Transactions (2PC) in Microservices

microservices interview

How to break Singleton Design pattern in Java

What is a Distributed Transaction in Microservices

microservices interview

What is the difference between an Event and a Message in Microservices

microservices interview

What are the ways to build Microservices

microservices interview

What is Circuit Breaker Pattern in Microservices

microservices interview

What is Blast Radius in Microservices

microservices interview

What is Cohesion? Is High Cohesion or Low Cohesion better in Microservices

microservices interview

What is Coupling and What are the types of Coupling in Microservices

microservices interview

How to Run code after Spring Boot application starts

springboot interview

Write a program to find Duplicate character in a String Java

Log4J Vulnerability (Log4Shell) Explained - for Java developers

What are WebSockets and How is it different from HTTP

Is Oracle JDK Free again - for Java developers

What is Web 3.0 Blockchain, Its building blocks, and Evolution of the Internet

How to fetch top 10 trending hashtags from Twitter in India using twitter4j

How to find a file recursively in Java

How to find age using date of birth in Java

How to get the width and height of a string in Java

How to convert date in to yyyy-MM-dd Format in Java

How to resolve Web server failed to start. Port 8080 was already in use

What is Waterfall Model, Spiral Model and VV Model/Verification Validation Model/V Model in SDLC

What is SDLC and its phases

What is the difference between Error, Bug, Defect, and Failure

What is Manual Testing and Why is it required

How to do system design for a Movie Ticket Booking System like bookmyshow.com,fandango.com

What is Race Condition In MultiThreading Java

What is Synchronized in Java MultiThreading

How to print Thread numbers in MultiThreading Java

What is join method used for in MultiThreading Java

What is isAlive method used for in MultiThreading Java

How to create and run multiple threads using for loop

What is MultiThreading and How to create a thread in Java

How to undo the most recent local commits in Git

What are the system design Specifications and Features of Cache

What is Cache and its benefits

What is Distributed Cache

Simple code Naming things and Naming Conventions

8 Must-Have Git Commands

How to calculate Java Objects, Arrays, Primitives, and Complex Classes. Checking calculated size correctness using JProfiler.

How to Convert DOCX to HTML in Java

How to remove substring from String in Java

Java virtual Machine(JVM) and its architecture

The Performance Impact of java.lang.System.getProperty()

Can You Override Static Method in Java

Does Java Support Pass by Value or Pass by Reference

Difference between Factory and Abstract Factory Design Pattern in Java

Polymorphism, Overloading, and Overriding in Java and Object Oriented Programming

What is Encapsulation in Java and OOP with Example

What is Inheritance in Java with example - Object Oriented Programming

What is Object in Java and Object Oriented Programming? Example Tutorial

Difference between Inheritance and Composition in Java and Object Oriented Programming

OOPs Concepts in Java with Basic Examples

Basic Annotations in Spring Boot

springboot interview

Object-oriented Programming vs. Functional Programming Which Is Better?

How to make POST and PATCH requests idempotent

springboot interview

Fetching a DTO With a To-Many Association

Which build tool is more commonly used for Spring Boot, Maven or Gradle?

springboot interview

What is a Race Condition

How to catch multiple Java exceptions in the same catch clause

What are checked vs unchecked exceptions in Java

Vs code shortcuts for Developers in Windows

Is it IllegalArgumentException or NullPointerException for a null parameter in Java

How to find the minimum or least value in an Integer List using Java 8

What is Association Mapping and examples of One to One, Many to Many and One to Many and Many to One relationships

What is the difference between query, native query, named query and typed query

How to know which Java thread is hogging the CPU

How many threads can a Java VM support

What are important Threading Techniques & Concepts in Java

Is it possible view/pause/kill a particular thread from a different java program running on the same JVM

How to make your collections thread-safe?

What are the best naming conventions for threads in Java

In Java, do I need to declare my collection synchronized if it's read-only

Synchronizing on String objects in Java

How many threads should I use in my Java program

How to implement simple threading with a fixed number of worker Threads

What is the difference between notify() and notifyAll() in Threads.

What would make a single task executor stop processing tasks in Java Threads.

How can you ensure a block of code can not be interrupted by any other Thread in Java

How to test methods that call System.exit() in Java

How are Java Thread priorities translated to an OS thread priority

How to parse logs written by multiple Threads

What are the benefits of Performance Optimization in Java

What is Garbage Collection Performance Tuning in Java

What are the best Coding Practices to be followed while writing Java code in order to avoid performance issues

Which concurrent Queue implementation, should I use it in Java

What is the difference between a synchronized method and synchronized block in Java

How to make an ArrayList Read Only in Java

Restful web services interview questions

springboot interview

WAP to print the sum of harmonic progression series

What is a Java bean

WAP to define a method which returns the sum of digits of the given two digit number in Java

Real time example of a singleton design pattern in Java

What is the difference between Static and Dynamic web application

What is frontend and backend web development

What is final keyword in java

What is Instance Initializer block in Java

What is instanceof operator in Java

java J2ee interview

What is super keyword in java

What is Covariant Return Type in java

What is method overriding in Java

java J2ee interview

What is method overloading in Java

What is Polymorphism in Java

Java Static keyword real time example in Java

WAP to check sorting order in list in Java

WAP to create a thread using lambda expression and print “Hello World” in Java

java Java8 interview

Java interview question on interfaces implemented by class with same default method in two interfaces

How to create a memory leak in Java

Why is processing a sorted array faster than processing an unsorted array in Java

How to convert a String to an int in Java

What are MVP and MVC and what is the difference between MVP and MVC

What is a serialVersionUID and why should I use it in Java

When to use LinkedList over ArrayList in Java

What is the difference between StringBuilder and StringBuffer in Java

How to avoid NullPointerException in Java

How do I read / convert an InputStream into a String in Java

How do I efficiently iterate over each entry in a Java Map

What are the differences between a HashMap and a Hashtable in Java

Java JDBC important interview questions

What are available JDBC drivers and difference between them and when to use

What are the steps to connect to a database using JDBC API

What is statement, prepared statement and callable statement in JDBC and Why are they used

What is transaction management and ACID properties in JDBC

In Java, what is the best way to determine the size of an object

How do I generate random integers within a specific range in Java

What is the difference between public, protected, package-private and private in Java

Does Java support default parameter values

What is a Spring Bean Lifecycle

springboot interview

What is the difference between Spring, Spring Boot and Spring MVC

springboot interview

What are the modules of Spring framework

springboot interview

Java new features that needs to be at your finger tips

What is the difference between writing a property on application.yml or bootstrap.yml in spring boot

java interview springboot

How to add context path to Spring Boot application

java interview springboot

How to set active profile and config location from command line in spring boot

java interview springboot

How does the Java 'for each' loop work

Twitter Bootstrap Development Introduction

SSL Configuration in Apache MINA Server

An Introduction to Apache Mina Server

Tomcat Performance Tuning in Production Server

MySQL Backup/Restore in Windows, Linux and using Java Program

Apache Mina - Simple Client/Server Application

Convert MySQL database from MyISAM to InnoDB

What is the difference between Hashtable and ConcurrentHashMap in Java

What is CLASSPATH in Java

What is connection pooling in Java

What is the best way to store passwords in Java

Why String is Immutable or Final in Java

What is a SubString and Memory Leak in Java

What is Encoding and Decoding in Java

What are Maven Plugins

What is a Maven Repository

What is POM (Project Object Model) And Pom.Xml in Maven

What is Hibernate Interceptor in Java Application Development

How to publish your local web server to internet without any port forwarding

What are Primitive and Wrapper Classes in Java

What is Singleton Design Pattern in Java and Why it is used

Servlet and its working

How an AJAX Request works

Java IO - Interview Questions

Introduction to Java Thread Profiling

Advanced Java Web Interview Questions And Answers

Important JDBC Interview questions and answers for Java Developer interview

Important Java 8 Interview Questions

The difference between the Runnable and Callable interfaces in Java

What is the difference between “implements Runnable” vs “extends Thread” in Java

How does synchronized work in Java

How to use threads and recursion in Java to print Fibonacci numbers

How do you kill a Thread in Java

What is mutex and semaphore in Java and its differences

Are Synchronized Methods Slower In Single Threaded Applications in Java

Is it possible to use Object.wait(millisec) to simulate sleep in Java Threads

What is the difference between Executors.newCachedThreadPool() and Executors.newFixedThreadPool() in Java MultiThreading

What is the difference between final, finally, finalize in Java

WAP to Concatenate a given string to the end of another string in Java