2022-08-13 10:52
Hibernate Interview Questions are asked on Java J2EE Interviews, mostly for web-based enterprise application development roles. The success and acceptability of Hibernate framework on the Ja… Read More
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2022-08-13 10:44
Hello guys, If you are preparing for Java interviews then you may know that Java Generics and Collections are two of the most important topics, particularly Generics where some of the tricki… Read More
2022-08-12 15:17
Sometimes, you'd like to just iterate over all the rows in a sheet, or all the cells in a row. This is possible with a simple for loop. Luckily, this is very easy. Row defines a CellIt… Read More
2022-08-10 15:05
Hello guys, if you are preparing for System Design Interview or just want to improve your Software design skills and looking for best free resources like tutorials and free online courses th… Read More
2022-08-07 13:59
Hello guys, Cloud computing is rapidly becoming one of the essential skill for all kind of developers and no matter what you will need to learn Cloud Computing if you want to remain marketab… Read More
2022-08-07 08:14
Before we get to the best websites that will teach you everything you need to know about system design, let me tell you a little bit about what it really is. Systems design is basically the… Read More
2022-08-06 04:11
Checked and Unchecked Exception is two types of Exception exist in Java. Though there is no difference in functionality and you can very achieve the same thing with either checked Exception… Read More
![[Solved] How To Solve Java.lang.UnsatisfiedLinkError: No Ocijdbc11 In Java With Oracle 11g, 12c, 19c And 21c](https://cdn.blogarama.com/images/posts_thumbs_site_id/2140/214035-3911655031.w320.jpg "[Solved] How To Solve Java.lang.UnsatisfiedLinkError: No Ocijdbc11 In Java With Oracle 11g, 12c, 19c And 21c")
2022-08-06 04:06
"java.lang.unsatisfiedlinkerror no ocijdbc11 in java.library.path" error comes when you try to connect to Oracle 11g database using OCI (thick) driver by using tns name, but the ocijdbc11.dl… Read More
2022-08-06 03:55
The java.lang.NullPointerException or NullPointerException in Java is probably the first error or exception you will face in Java. It is a true nightmare for beginners in Java but pretty eas… Read More
2022-08-05 14:54
Spring Boot has a lot many annotations within its framework that a person can use. If you are searching for one, you have come to the right place. Needless to say, these annotation… Read More
2022-08-05 04:48
Hello guys, if you are trying to compile your Java source file and getting "'javac' is not recognized as an internal or external command" in Windows or Linux machine like Windows 10 or Redha… Read More
![[Solved] How To Fix VirtualBox - /sbin/mount.vboxsf: Mounting Failed With The Error: Protocol Error](https://cdn.blogarama.com/images/posts_thumbs_site_id/2140/214035-1048925915.w320.jpg "[Solved] How To Fix VirtualBox - /sbin/mount.vboxsf: Mounting Failed With The Error: Protocol Error")
2022-08-05 04:34
Virtual box is a great tool for Java developer to run Docker and Linux on Windows Machine, especiall for them who need to develop and debug Java program in Linux environment. I use Oracle's… Read More
2022-08-05 04:30
How to fix Bad version number in the .class file"java.lang.UnsupportedClassVersionError: Bad version number in .class file" is a common error in Java programming language which comes when yo… Read More
2022-08-05 04:21
One of the annoying error while overriding Java method in Eclipse IDE is must override a superclass method error, This error is quite frequent when importing Java projects and after so long… Read More
2022-08-05 04:19
If you are like many Java developer who uses Maven and Eclipse to build Java project using M2Eclipse plugin, you might have seen this error before. I ran into it recently when I ran the Mave… Read More
2022-08-04 13:44
"java.sql.SQLException: Invalid column index" is a frequent error while working in Java Database Connectivity (JDBC). As the name suggests "Invalid column index" its related to accessing or… Read More
![How To Fix Java.lang.ClassNotFoundException: Com.sun.jersey.spi.container.servlet.ServletContainer? [Solution]](https://cdn.blogarama.com/images/posts_thumbs_site_id/2140/214035-628806114.w320.jpg "How To Fix Java.lang.ClassNotFoundException: Com.sun.jersey.spi.container.servlet.ServletContainer? [Solution]")
2022-08-04 13:37
The error message clearly says that the Java runtime is not able to find a class called ServletContainer for the Jersey library. This is the Servlet class you have specified in the… Read More
2022-08-04 13:24
Hello guys, if you are getting java.lang.OutOfMemoryError: GC overhead limit exceeded Error in your Java application and wondering how to solve this then read on. As suggested by… Read More
2022-08-03 14:30
Many times we want to reset an ArrayList for the reusing purpose, by resetting we mean clearing it or removing all elements. There are two ways to reset an ArrayList in Java, by using the&nb&hell…Read More
2022-08-03 14:23
Looping ArrayList in Java or Iteration over ArrayList is very similar to a looping Map in Java. In order to loop ArrayList in Java, we can use either foreach loop, simple for loop, or J… Read More
2022-08-02 14:48
Hello guys, if you are preparing for Kotlin Developer Job interview and looking for frequently asked Kotlin interview questions then you have come to the right place. In the past, I have sh… Read More
2022-08-02 04:56
Hello there, if you are wondering what is the difference between a list and an array, or particularly an ArrayList and an Array in Java then you have come to the right place. Earlier, I have… Read More
2022-08-01 15:03
Hello guys, if you are doing for a web developer interview or a Java web developer interview where you need to write server side application or backend code which uses HTTP to send and recei… Read More
2022-07-31 14:29
Do you want to pass the Rust interview that is right ahead of you? Waste no more time. You have to start with knowing what you will face when you appear before the interview panel. This mean… Read More
2022-07-31 04:56
Converting ArrayList to Set in Java means creating a Set implementation like HashSet from an ArrayList full of objects. Before Converting your ArrayList into HashSet do remember that List ke… Read More
2022-07-30 10:34
Is Certified Metaverse Professional (CMP) on 101 Blockchains worth it?Hello guys, if you want to learn Metaverse in 2022 and wondering how to learn Metaverse then you have come to the right… Read More
2022-07-30 07:21
Hello guys, if you want to learn Web Development in 2022 and looking for best free resources like free online courses, tutorials, and books then you have come to the right place. E… Read More
2022-07-29 04:31
Is Certified Enterprise Blockchain Architect (CEBA) worth it?Blockchain solutions have been making a lot of noise in the tech space recently for all the right reasons. It comes with the adva… Read More
2022-07-29 04:05
Sorting ArrayList in Java is a common task for Java developers and we have touched it while discussing in my last article 10 Examples of ArrayList in Java and again when we discus… Read More
2022-07-28 14:54
Hello guys, if you want to learn Spring Framework and Spring Boot in 2022 and looking for free resources like free online courses, tutorials, and books then you have come to the right place… Read More
2022-07-27 15:06
System Design Interview is the hardest part of any coding interview and it requires a lot of preparation and knowledge to crack system design interview. If you are preparing for System desig… Read More
2022-07-27 14:47
Hello guys, if you want to find current directory in Java and looking for a simple example then don't worry. Its easy to get current directory in Java by using built-in system property provi… Read More
2022-07-27 14:44
Java has excellent support for reading from file and writing to file in Java. In the last post, we have seen how to create files and directories in Java and now we will see how to read conte… Read More
2022-07-27 14:34
How to copy files in Java from one directory to another is a common requirement, given that there is no direct method in File API for copying files from one location to another. A painful wa… Read More
2022-07-27 14:29
Many times you want to read contents of a file into String, but, unfortunately, it was not a trivial job in Java, at least not until JDK 1.7. In Java 8, you can read a file into String in ju… Read More
2022-07-27 01:55
In order to do well on Java certifications, you need good books and a reasonable number of practice questions before you go for exams. Practice questions and mock exams will help you to asse… Read More
![How To Fix Java.lang.OutOfMemoryError: Unable To Create New Native Thread In Java [Solution]](https://cdn.blogarama.com/images/posts_thumbs_site_id/2140/214035-2460715241.w320.jpg "How To Fix Java.lang.OutOfMemoryError: Unable To Create New Native Thread In Java [Solution]")
2022-07-26 14:56
It's been a long time since I write any Java Error or Exception troubleshooting tutorial so here we are. In this post, we will take a look at the "java.lang.OutOfMemoryError: unable to creat… Read More
2022-07-26 04:57
In the last article, we saw how to check hidden files in Java and now we will see how to hide files in Java or make hidden files in Java. As we said File API in Java doesn’t provide an… Read More
2022-07-26 04:51
This article is a quick tip to find hidden files in Java by checking the hidden properties of a File or directory from the Java Program. File Handling is a crucial topic in java already we h… Read More
2022-07-25 15:07
Matrix is one of the under-rated topic for coding interviews but Matrix coding problems are not that easy to solve and In this article, we'll see some of the popular Matr… Read More
2022-07-25 04:51
Reading a file in Java is not simple, it requires lots of boilerplate code, as we have seen in our earlier example of reading text files. Various things had to be wrapped e.g. a FileInputStr… Read More
2022-07-24 14:45
Hello guys, if you want to learn about IntStream in Java 8 and looking for a simple tutorial and example then you have come to the right place. Earlier, I have shared 10 examples of Lambda e… Read More
2022-07-23 14:41
Before I give my review of Educative's Grokking Advanced System Design Interview, let me tell you a little bit more about this course so that we are on the same page. As you must alread… Read More
2022-07-23 10:57
Hello Java developers, you may know that SimpleDateFormat in Java can be used to convert String to Date in Java. java.text.SimpleDateFormat is an implementation of… Read More
2022-07-23 07:24
I was searching for a good example of FlatMap but didn't found a good one, so created my own. As name suggest FlatMap is used to flatten stream like unwinding multiple list of values. For ex… Read More
2022-07-22 04:44
As a page author, the id of an HTML element is something you should know. Still, there are scenarios when the page is automatically generated, or maybe some form elements are generated by us… Read More
2022-07-22 04:36
Hello guys, if you want to learn about Hooks in React.js like useState, useSelector, useEffect, and useDispatch then you have come to the right place. In the past, I have shared… Read More
2022-07-22 04:36
If you have ever worked with React, you definitely know what components are. A react application is made of several components and that is why components in React are defined as th… Read More
2022-07-21 23:17
Hello guys, if you want to become a frontend or backend developer in 2022 and looking for a well structured, reputed, and completely online program then Meta's Frontend and Backend deve… Read More
2022-07-21 14:01
The metaverse is the next big thing, and you must have heard this a million times, just like many tech enthusiasts. The diverse elements of the metaverse have the potential to grab the atten… Read More
2022-07-21 10:29
Hello guys, I have just started a new series, React for Java developers and I am going to publish React tutorials and examples to teach React.js, one of the most popular frontend libraries t… Read More
2022-07-21 10:28
Hello guys, if you want to understand the difference between var, let, and const in JavaScript then you have come to the right place. Earlier, I have shared the best books and &hell…Read More
2022-07-21 10:25
One of the best things about jQuery is there selectors, which gives jQuery enormous power to find and select DOM elements so easily. If you are coming from JavaScript background then you mig… Read More
2022-07-21 10:23
Without a doubt, jQuery has given a much-needed boost to JavaScript, a language so useful but equally underrated at times. Before jQuery comes into the picture, we used to write lengthy Java… Read More
2022-07-20 14:20
Hello guys, if you are preparing for Java developer interview then you must have come across Gradle, a Groovy based build tool which is getting popular with Java community. While its not man… Read More
2022-07-19 14:32
Hello guys, if you want to learn about NFTs or Non Fungible Tokens and looking for best free online courses then you have come to the right place. Earlier, I have shared best paid NFT course… Read More
2022-07-18 09:08
Hello guys, if you are looking for best Python and Data Science courses on Udacity to start your career then you have come to the right place. Udacity is one of the best place to l… Read More
![How To Find Number Of Days Between Two Dates In Java 8 [LocalDate Until() & Between() Example ]](https://cdn.blogarama.com/images/posts_thumbs_site_id/2140/214035-3814216478.w320.jpg "How To Find Number Of Days Between Two Dates In Java 8 [LocalDate Until() & Between() Example ]")
2022-07-17 04:59
You can use the LocalDate.between() method to find the number of days between two dates in Java. This method is full proof and takes care of date-time nuisances like leap year and daylight s… Read More
2022-07-15 15:04
Hello guys, if you are preparing for Flutter and Dart Interview to become a Flutter app developer or land a job as Flutter Application developer and looking for frequently asked Flutter Int… Read More
2022-07-15 14:49
Double brace initialization is a Java idiom to initialize a Collection like a list, set, and map at the time of declaration. At times, you need a list of fixed elements e.g. supported produc… Read More
2022-07-15 14:48
Many Java programmers confused themselves like hell while writing multi-threaded Java programs like where to synchronized? Which Lock to use? What Lock to use etc. I often receive a request… Read More
2022-07-15 14:43
Hello guys, earlier, I have talked about how the binary search algorithm works and shared the code to implement the binary search in Java. In that article, someone asked me about is there an… Read More
2022-07-14 14:56
While some programmers are troubled with frequent Java releases (it's actually hard to keep up), many are excited to see new features coming in Java every six months. I haven't been sharing… Read More
![How To Implement Composite Design Pattern In Java [Real World Example]](https://cdn.blogarama.com/images/posts_thumbs_site_id/2140/214035-3146586278.w320.jpg "How To Implement Composite Design Pattern In Java [Real World Example]")
2022-07-14 14:52
Hello Java Programmers, if you want to learn about Composite Design patterns in Java, like how to implement Composite design pattern and when to use it then you have come to the right place… Read More
![[Solved] How To Check If A Given Number Is Binary In Java? Example](https://cdn.blogarama.com/images/posts_thumbs_site_id/2140/214035-414167543.w320.jpg "[Solved] How To Check If A Given Number Is Binary In Java? Example")
2022-07-14 14:43
Today we will take a look at another simple programming exercise, write a program to check if a number is binary in Java. A number is said to be binary if it only contains either 0 or 1, for… Read More
2022-07-14 14:28
Most of the Java interview questions on ArrayList asked freshers or Java developers with 1 to 2 years experience is just simply how to do tasks like how to sort ArrayList in Java, How to sor… Read More
2022-07-13 13:31
Hello guys, if you are following Andrew Ng on Twitter then you may know that his popular free Machine Learning course from Stanford is now turning into full fledged Machine Learning spe… Read More
![How To Fix The Password Issue For Maven In Eclipse? [Solved]](https://cdn.blogarama.com/images/posts_thumbs_site_id/2140/214035-3827747583.w320.jpg "How To Fix The Password Issue For Maven In Eclipse? [Solved]")
2022-07-13 12:15
Most Java programmers use Maven in Eclipse via the M2EClipse plug-in, which gives one capability to build, run, and test Java application using Maven. I also use the M2Eclipse plugin for int… Read More
2022-07-13 12:10
Hello guys, if you are looking for a quick introduction to Maven and Gradle then you have come to the right place. Earlier, I have shared the best Maven course and best courses to learn… Read More
2022-07-13 12:05
Kali Linux is an open-source Debian system based on Linux developed by the offensive security company for ethical hackers. It contains more than 400 tools categorized to make it easy for… Read More
2022-07-12 15:18
Hello guys, if you are preparing for Java developer interviews then you should not ignore Maven as its on of the important build tool for Java developers. Most of the Java projects you are g… Read More
![5 Things Programmers Can Buy In Amazon Prime Day 2022 [Best Deals]](https://cdn.blogarama.com/images/posts_thumbs_site_id/2140/214035-4057272569.w320.jpg "5 Things Programmers Can Buy In Amazon Prime Day 2022 [Best Deals]")
2022-07-12 09:00
Hello guys, many of my friends and colleagues used to wait until November to buy books, gadgets, and other computer items to get the huge discount offered on Black Friday and Cyber Monday de… Read More
2022-07-11 15:03
Hello guys, if you are preparing for Developer and DevOps interview and looking for Linux questions for interviews then you have come to the right place. Earlier, I have shared popular UNIX… Read More
2022-07-09 15:43
The state is a very important part of React development. In simple words, state is a plain JavaScript object that controls the behavior of a React component. If you want to become a professi… Read More
2022-07-07 15:02
Hello guys, if you are doing Software development then you know that System design is one of the most important skill for developers and mangers. IT is not just a tool pass interviews… Read More
2022-07-07 13:55
Hello, guys if you are looking for a Java program to recursively list all files in a directory or sub-directory in Java then you have come to the right place. Earlier, I have shared the best… Read More
2022-07-07 13:47
For some unknown reasons many Java programmers are not very comfortable with IO package. I don't know why, but I have found them much more comfortable with java.lang and java.util than… Read More
2022-07-06 15:25
Hello guys, if you are preparing for Blockchain developer interview or looking for any job in the Blockchain technology field but wondering how to prepare then you have come to the right pla… Read More
2022-07-06 13:34
10 Java String interviews Question answersString interview questions in Java is one of Integral part of any Core Java or J2EE interviews. No one can deny the importance of String and how muc… Read More
2022-07-06 13:21
String comparison is a common programming task and Java provides several way to compare two String in Java. String is a special class in Java, String is immutable and It’s used a lot i… Read More
2022-07-06 12:45
Hello guys, the CompTIA Security+ certification is aimed to be for people who are beginner in security but at least have some fundamentals in IT in general and you will learn some fundamenta… Read More
2022-07-06 12:24
If you are a Java Spring developer and working with Spring Security then you may be familiar with the "Learn Spring Security" course by Eugen Paraschiv of Baeldung. It is one of the most adv… Read More
2022-07-05 15:18
Hello guys, if you are preparing for Java developer interview then you must prepare for Mockito, one of the most popular mocking and unit testing library for Java developers. Mockito is use… Read More
2022-07-04 15:19
Hello guys, if you want to learn Spring Framework and looking for best online resources like books, courses, and tutorials then you have come to the right place. Earlier, I have shared best… Read More
2022-07-03 04:58
If you want to learn Python Programming language online in a week on your own and looking for the best online Python resources then you have come to the right place. In the past, I have shar… Read More
2022-07-02 14:20
Hello guys, if you want to learn Non Fungible tokens or NFT in 2022 and looking for best resources then you have come to the right place. Earlier, I have shared best paid NFT courses and bes… Read More
2022-07-01 14:03
Hello guys, if you are preparing for web developer interviews where GraphQL skills are needed and you are looking for frequently asked GraphQL Interview questions then you have come to the r… Read More
2022-06-29 14:17
Hello guys, joining multiple String literals or objects into one is a common programming requirement and you will often find situations where you need to convert a list of String or a Collec… Read More
2022-06-29 13:19
As a Java programmer, quite often you would need to sort array in Java luckily java.util.Arrays class provides several utility methods to sort an array in Java. You can sort different types… Read More
2022-06-29 13:09
Hello there, If you want to loop over an array in Java but not sure how to do that then you have come to the right place. Earlier, I have shared many Java array tutorials and the best Java c… Read More
2022-06-29 13:05
Hello guys, today, I am going to share with you a useful tip to initialize a List like ArrayList or LinkedList with values, which will help you a lot while writing unit tests and prototypes… Read More
2022-06-28 15:48
Hello guys, if you are looking for a great course to start your coding interview preparation or you have heard about Educative's popular Grokking the Coding Interview Pattern course but not… Read More
2022-06-27 15:19
Hello guys, if you are a Programmer you probably have heard about Git, well most of you might have already been veteran into Git and don't need any more articles and tutorials, but if you ar… Read More
2022-06-27 03:46
Write a Java program to check if a linked list is circular or cyclic, and how do you find if a linked list contains loop or cycles in Java are some common linked list related data stru… Read More
2022-06-27 03:36
JSP is still a popular technology for developing view part of Struts and Spring-based Java applications, but unfortunately, it doesn't have rich UI support available in GWT, or any othe… Read More
2022-06-26 04:45
Though both Inheritance and Composition provide code reusability, the main difference between Composition and Inheritance in Java is that Composition allows reuse of code without extending i… Read More
2022-06-25 15:41
Hello guys, System design and Software design are two important topic for coding interviews and also two important skill for Software developers. Without knowing how to design System you can… Read More
2022-06-25 04:53
Hello guys, If someone asked me 10 years ago about how to learn web development and get a job I would more likely say that you have to go to college and get your Bachelor’s degree and… Read More
2022-06-24 15:25
Hello guys, if you are preparing for web designer or web developer interview and looking for bootstrap interview questions, one of the popular CSS framework then you have come to the right p… Read More
2022-06-23 15:29
Hello guys, if you are preparing for web developer job interview and looking for frequently asked web development interview questions then you have come to the right place. Earlier, I… Read More
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