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How to create a String or int Array in Java? Example Tutorial

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There are several ways to create an array in Java, for example, you can declare the array without initializing it, or you can create and in...

How to Find/Print Leaf nodes in a Binary Tree in Java without Recursion - Example

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In the last article , you have learned how to print all leaf nodes of a binary tree in Java by using Recursion, a useful technique to solv...
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How to check If two Strings Array are equal in Java? Example Tutorial

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Hello guys, if you are wondering how to check if two given String array are equal, I mean they contain same number of elements with same val...

Top 5 Free Servlet, JSP, Java FX, and JDBC Courses for Java Web Developers in 2025 - Best of Lot

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If you are a Java developer working on a Java JEE projects like a Java Web application running on Tomcat or Glassfish, or you want to get i...

Top 6 Dynamic Programming Online Courses for Coding Interviews in 2025 - Best of Lot

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Hello guys, if you are preparing for a coding interview but struggling to solve Dynamic programing based coding problems and looking fo...

5 Free Online Courses to Learn Kotlin in 2025 - Best of Lot

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Hello guys, If you are in Android application development or server-side Java development, then you might have heard about the Kotlin progr...
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Top 6 Free Courses to Learn Bootstrap Online for Beginners in 2025 - Best of Lot

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Bootstrap is one of the most popular front-end libraries, which provides a customizable  HTML , CSS , and JavaScript  template for creating...

Difference between Binary Tree, Binary Search Tree (BST), and Balanced Tree (AVL and Red Black Tree)?

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Hello guys, if you are preparing for technical interview for Software Development job then you must prepare well for Data Structure and Algo...

[Solved] How to Find Repeated Characters in a given String with count in Java? Example

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This is another interesting coding problem or programming exercise for beginner programmers. How do you find repeated or duplicate charac...
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How to solve Two Sum Array Problem in Java? Example

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Hello guys, if you have been solving  data structure and algorithms problems or been through a couple of coding interviews then you might...

6 Essential Data Structures Java Programmer should Learn

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Hello guys, Data Structure is a building block of programs. It's even said that  "Data Structure + Algorithms= Program" . Th...
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Post order traversal Algorithms for Binary Tree in Java with example

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In the last couple of articles, you have learned about pre-order and in-order tree traversal algorithms in Java, and today, you will lear...
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How to check if an array includes a value in JavaScript? Example Tutorial

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Hello Javascript developers, if you are wondering how to check if an array contains a particular value or not in Javascript then you have c...

How to sort an Array in descending order in Java? Example Tutorial

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Sorting an array is one of the common tasks in Programming and you have many algorithms to sort an array, like QuickSort , MergeSort which...
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QuickSort Algorithm Example in Java using Recursion - Tutorial

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The Quicksort algorithm is one of the very popular sorting algorithms in programming, often used to sort a large array of numbers. Though t...
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How to remove a number from an Integer Array in Java? [Example Tutorial]

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Hello guys, In the last article, you have learned how to reverse an array in place in Java , and today I have come back with another array-...
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How Binary Search Algorithm Works? Java Example without Recursion

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The binary search algorithm is one of the fundamental Computer Science Algorithms and is used to search an element in a sorted input set. ...
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How to declare and Initialize two dimensional Array in Java with Example

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An array of more than one dimension is known as a multi-dimensional array. Two of the most common examples of multi-dimensional arrays are ...
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How to compare two Arrays in Java to check if they are equal - [String & Integer Array Example]

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Hello guys, one of the common Programming, the day-to-date task is to compare two arrays in Java and see if they are equal to each other ...
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How to Convert or Print Array to String in Java? Example Tutorial

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Array and String are very closely related, not just because String is a character array in most of the programming language but also with p...
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