Behind Java
JavaSpring BootMicroservicesInterview QuestionsPython

209 Tutorials Available in interview

Java Programming Library calls and type conversion Basic Cheat Sheet

Jan 16, 2022
javainterview

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

Jan 16, 2022
javainterview

Java Programming Anatomy of an if statement Cheat Sheet

Jan 15, 2022
javainterview

Java Programming Printing, Parsing command line arguments and Math Library Basic Cheat Sheet

Jan 14, 2022
javainterview

Java Programming Comparison operators, floating point numbers and Booleans Cheat Sheet

Jan 13, 2022
javainterview

Java Programming Integers, Declarations and assignment statements Cheat Sheet

Jan 12, 2022
javainterview

Java Programming Hello world cheat sheet

Jan 11, 2022
javainterview

What is Time Complexity

Jan 8, 2022
javapythoninterview

How to Run code after Spring Boot application starts

Jan 4, 2022
springbootinterview

Write a program to find Duplicate character in a String Java

Dec 21, 2021
javainterview

Log4J Vulnerability (Log4Shell) Explained - for Java developers

Dec 20, 2021
javainterview

What are WebSockets and How is it different from HTTP

Dec 19, 2021
javainterview

Is Oracle JDK Free again - for Java developers

Dec 18, 2021
javainterview

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

Dec 17, 2021
javainterview

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

Dec 16, 2021
javainterview

Difference between Map and Flat Map

Dec 8, 2021
javainterview

How to find a file recursively in Java

Nov 12, 2021
javainterview

How to find age using date of birth in Java

Nov 11, 2021
javainterview

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

Nov 10, 2021
javainterview

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

Nov 9, 2021
javainterview

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

Nov 8, 2021
interview

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

Nov 5, 2021
interview

What is SDLC and its phases

Nov 4, 2021
interview

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

Nov 3, 2021
interview

What is Manual Testing and Why is it required

Nov 2, 2021
interview

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

Nov 1, 2021
javainterview

The Four Pillars of Object Oriented Programming

Oct 30, 2021
javainterviewpython

What is Race Condition In MultiThreading Java

Oct 13, 2021
javainterview

What is Synchronized in Java MultiThreading

Oct 12, 2021
javainterview

How to print Thread numbers in MultiThreading Java

Oct 11, 2021
javainterview

What is join method used for in MultiThreading Java

Oct 10, 2021
javainterview

What is isAlive method used for in MultiThreading Java

Oct 9, 2021
javainterview

How to create and run multiple threads using for loop

Oct 8, 2021
javainterview

What is MultiThreading and How to create a thread in Java

Oct 7, 2021
javainterview

How to undo the most recent local commits in Git

Oct 6, 2021
interview

What are the system design Specifications and Features of Cache

Oct 3, 2021
interview

What is Cache and its benefits

Oct 2, 2021
interview

What is Distributed Cache

Oct 1, 2021
interview

Simple code Naming things and Naming Conventions

Sep 21, 2021
javainterview

Git cheatsheet that all coders need to know, Ever accidentally deleted files or necessary code? Or do you wish to look back at an older version of your code?

Sep 20, 2021
interview

8 Must-Have Git Commands

Sep 18, 2021
interview

What’s So Great About Java? Here Are Three Things!

Sep 18, 2021
javainterview

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

Sep 17, 2021
javainterview

How to Convert DOCX to HTML in Java

Sep 16, 2021
javainterview

How to remove substring from String in Java

Sep 15, 2021
javainterview

Java virtual Machine(JVM) and its architecture

Sep 14, 2021
javainterview

CI/CD Implementation 5 Common Mistakes and How to Avoid Them

Sep 13, 2021
interview

Gang of Four design patterns, including class diagrams, explanations, usage info, and real world examples.

Sep 10, 2021
javainterview

Overview of key aspects of the Java language and references on the core library, commonly used tools, and Java 8 features.

Sep 9, 2021
javainterview

GraphQL vs REST, How To Choose One Over The Other

Sep 7, 2021
interview

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

Aug 26, 2021
javainterview

Can You Override Static Method in Java

Aug 25, 2021
javainterview

Does Java Support Pass by Value or Pass by Reference

Aug 24, 2021
javainterview

Difference between Factory and Abstract Factory Design Pattern in Java

Aug 23, 2021
javainterview

Why Java does not support Operator overloading

Aug 21, 2021
javainterview

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

Aug 20, 2021
javainterview

What is Encapsulation in Java and OOP with Example

Aug 19, 2021
javainterview

What is Inheritance in Java with example - Object Oriented Programming

Aug 18, 2021
javainterview

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

Aug 17, 2021
javainterview

Difference between Inheritance and Composition in Java and Object Oriented Programming

Aug 16, 2021
javainterview

Recursion in Java with an Example

Aug 15, 2021
javainterview

Java Exception Design, what is a Java exception, and how to use Java Exceptions

Aug 13, 2021
javainterview

OOPs Concepts in Java with Basic Examples

Aug 9, 2021
javainterview

Low Code and No-Code Considerations

Aug 9, 2021
springbootinterview

Ten Things About Java 17 and Ten features to help justify a move from Java 8 to Java 17

Aug 7, 2021
javainterview

Basic Annotations in Spring Boot

Aug 6, 2021
springbootinterview

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

Aug 5, 2021
javainterview

How to make POST and PATCH requests idempotent

Aug 5, 2021
springbootinterview

What are the Java Best Practices for High performance Serialization

Aug 4, 2021
javaspringbootinterview

Fetching a DTO With a To-Many Association

Aug 3, 2021
javainterview

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

Aug 3, 2021
springbootinterview

Does getInstance() denote a singleton according the singleton pattern in Java

Aug 2, 2021
javainterview

What is a Race Condition

Aug 1, 2021
javainterview

Java Array Declaration – How to Initialize an Array in Java with Example Code

Jul 27, 2021
javainterview

Important keywords to refer before attending a Java interview

Jul 26, 2021
javainterview

How do you assert that a certain exception is thrown in JUnit 4 tests

Jul 25, 2021
javainterview

How to catch multiple Java exceptions in the same catch clause

Jul 24, 2021
javainterview

What are checked vs unchecked exceptions in Java

Jul 23, 2021
javainterview

Vs code shortcuts for Developers in Windows

Jul 23, 2021
interview

Is it IllegalArgumentException or NullPointerException for a null parameter in Java

Jul 22, 2021
javainterview

What is the difference between the following ways of handling InterruptedException? What is the best way to do it in Java

Jul 21, 2021
javainterview

What does the Refresh option in Windows actually do

Jul 21, 2021
interview

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

Jul 20, 2021
javainterview

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

Jul 19, 2021
javainterview

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

Jul 18, 2021
interview

What are the examples of GoF Design Patterns in Java's core libraries

Jul 17, 2021
javainterview

How to know which Java thread is hogging the CPU

Jul 17, 2021
javainterview

How many threads can a Java VM support

Jul 16, 2021
javainterview

What are Semaphore problems in Java with the Dining Philosophers

Jul 15, 2021
javainterview

What are important Threading Techniques & Concepts in Java

Jul 14, 2021
javainterview

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

Jul 13, 2021
javainterview

How to make your collections thread-safe?

Jul 12, 2021
javainterview

What are the best naming conventions for threads in Java

Jul 11, 2021
javainterview

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

Jul 10, 2021
javainterview

Java 11 Features

Jul 10, 2021
javainterview

Synchronizing on String objects in Java

Jul 9, 2021
javainterview

How many threads should I use in my Java program

Jul 8, 2021
javainterview

What is the volatile keyword useful for in Java.

Jul 7, 2021
javainterview

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

Jul 6, 2021
javainterview

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

Jul 5, 2021
javainterview

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

Jul 4, 2021
javainterview

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

Jul 3, 2021
javainterview

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

Jul 3, 2021
javainterview

How are Java Thread priorities translated to an OS thread priority

Jul 2, 2021
javainterview

How to parse logs written by multiple Threads

Jul 1, 2021
javainterview

What are the benefits of Performance Optimization in Java

Jun 30, 2021
javainterview

What is Garbage Collection Performance Tuning in Java

Jun 29, 2021
javainterview

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

Jun 28, 2021
javainterview

How to wait for a number of threads to complete in Java

Jun 6, 2021
javainterview

Which concurrent Queue implementation, should I use it in Java

Jun 5, 2021
javainterview

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

Jun 4, 2021
javainterview

How to make an ArrayList Read Only in Java

Jun 3, 2021
javainterview

Core java interview questions and answers

May 20, 2021
javainterview

Restful web services interview questions

May 20, 2021
springbootinterview

WAP to print the sum of harmonic progression series

Apr 30, 2021
interview

How Cache data to improve performance

Apr 27, 2021
javainterview

What is a Java bean

Apr 26, 2021
javainterview

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

Apr 26, 2021
interview

What is abstraction in Java

Apr 25, 2021
javainterview

Real time example of a singleton design pattern in Java

Apr 24, 2021
javainterview

What is the difference between Static and Dynamic web application

Apr 24, 2021
interview

What is frontend and backend web development

Apr 21, 2021
interview

What is final keyword in java

Apr 20, 2021
javainterview

What is Instance Initializer block in Java

Apr 20, 2021
javainterview

What is instanceof operator in Java

Apr 20, 2021
javaJ2eeinterview

What is super keyword in java

Apr 18, 2021
javainterview

What is Covariant Return Type in java

Apr 17, 2021
javainterview

What is method overriding in Java

Apr 17, 2021
javaJ2eeinterview

What is method overloading in Java

Apr 15, 2021
javainterview

What is Polymorphism in Java

Apr 14, 2021
javainterview

Java Static keyword real time example in Java

Apr 14, 2021
interview

WAP to check sorting order in list in Java

Apr 13, 2021
interview

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

Apr 13, 2021
javaJava8interview

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

Apr 13, 2021
javainterview

How to create a memory leak in Java

Jun 12, 2020
javainterview

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

Jun 11, 2020
javainterview

How to convert a String to an int in Java

Jun 10, 2020
javainterview

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

Jun 9, 2020
javainterview

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

Jun 8, 2020
javainterview

When to use LinkedList over ArrayList in Java

Jun 7, 2020
javainterview

What is the difference between StringBuilder and StringBuffer in Java

Jun 6, 2020
javainterview

How to avoid NullPointerException in Java

Jun 5, 2020
javainterview

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

Jun 4, 2020
javainterview

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

Jun 2, 2020
javainterview

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

Jun 1, 2020
javainterview

Java JDBC important interview questions

Apr 24, 2020
javainterview

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

Apr 23, 2020
javainterview

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

Apr 22, 2020
javainterview

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

Apr 21, 2020
javainterview

What is transaction management and ACID properties in JDBC

Apr 20, 2020
javainterview

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

Feb 10, 2020
javainterview

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

Feb 5, 2020
javainterview

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

Feb 3, 2020
javainterview

Does Java support default parameter values

Feb 1, 2020
javainterview

What is a Spring Bean Lifecycle

Jan 22, 2020
springbootinterview

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

Jan 20, 2020
springbootinterview

What are the modules of Spring framework

Jan 18, 2020
springbootinterview

Java new features that needs to be at your finger tips

Jan 1, 2020
javainterview

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

Jan 12, 2019
javainterviewspringboot

How to add context path to Spring Boot application

Jan 11, 2019
javainterviewspringboot

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

Jan 8, 2019
javainterviewspringboot

How does the Java 'for each' loop work

Jan 8, 2019
javainterview

Twitter Bootstrap Development Introduction

Jan 7, 2019
javainterview

SSL Configuration in Apache MINA Server

Jan 6, 2019
javainterview

An Introduction to Apache Mina Server

Jan 5, 2019
javainterview

Tomcat Performance Tuning in Production Server

Jan 4, 2019
javainterview

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

Jan 3, 2019
javainterview

Apache Mina - Simple Client/Server Application

Jan 2, 2019
javainterview

Float, Double and BigDecimal with Financial Calculation

Jan 1, 2019
javainterview

Convert MySQL database from MyISAM to InnoDB

Dec 30, 2018
javainterview

What is the difference between Hashtable and ConcurrentHashMap in Java

Dec 29, 2018
javainterview

What is CLASSPATH in Java

Dec 28, 2018
javainterview

What is connection pooling in Java

Dec 27, 2018
javainterview

What is the best way to store passwords in Java

Dec 26, 2018
javainterview

What is Marker Interface in Java

Dec 25, 2018
javainterview

Why String is Immutable or Final in Java

Dec 25, 2018
javainterview

What is SubString and Memory Leak in Java

Dec 24, 2018
javainterview

What is Encoding and Decoding in Java

Dec 23, 2018
javainterview

What are Maven Plugins

Dec 22, 2018
javainterview

What is a Maven Repository

Dec 21, 2018
javainterview

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

Dec 20, 2018
javainterview

What is Hibernate Interceptor in Java Application Development

Dec 19, 2018
javainterview

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

Dec 18, 2018
javainterview

What are Primitive and Wrapper Classes in Java

Dec 17, 2018
javainterview

What is classloading Mechanism in Java

Dec 16, 2018
javainterview

What is Singleton Design Pattern in Java

Dec 15, 2018
javainterview

Servlet and its working

Dec 14, 2018
javainterview

How an AJAX Request works

Dec 13, 2018
javainterview

What is HTTP/2 Protocol

Dec 13, 2018
javainterview

Java IO - Interview Questions

Dec 12, 2018
javainterview

Java 8 Features

Dec 10, 2018
javainterview

Introduction to Java Thread Profiling

Dec 9, 2018
javainterview

Advanced Java Web Interview Questions And Answers

Dec 8, 2018
javainterview

New Features in Java 9

Dec 7, 2018
javainterview

Important JDBC Interview questions and answers for Java Developer interview

Dec 6, 2018
javainterview

Important Java 8 Interview Questions

Dec 5, 2018
javainterview

The difference between the Runnable and Callable interfaces in Java

Dec 4, 2018
javainterview

What are the effects of exceptions on performance in Java

Dec 2, 2018
javainterview

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

Dec 1, 2018
javainterview

What are the most frequent concurrency issues encounter in Java

Nov 30, 2018
javainterview

How to avoid synchronized(this) in Java

Nov 29, 2018
javainterview

How does synchronized work in Java

Nov 28, 2018
javainterview

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

Nov 27, 2018
javainterview

How do you kill a Thread in Java

Nov 26, 2018
javainterview

What is mutex and semaphore in Java and its differences

Nov 25, 2018
javainterview

Are Synchronized Methods Slower In Single Threaded Applications in Java

Nov 24, 2018
javainterview

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

Nov 22, 2018
javainterview

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

Nov 21, 2018
javainterview

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

Apr 1, 2015
interview

Get our latest Examples


Behind JavaAbout Me© 2022 @CL DEEPAK