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In this tutorial we will go over FilenameFilter interface to search a file and list of files with given file extension (i.e. .png, .jpg, .jpeg, .txt, .pdf). lifeFiles returns an array of abstract pathnames denoting the files and directories in the directory denoted by this abstract pathname that satisfy the specified filter. The behavior of […] The post In Java How to get list of files and search files from given folder? java.io.FilenameFilter Interface Example appeared first on Crunchify....

Efficient programming often involves optimizing code for speed and memory usage. One powerful but underutilized technique is leveraging binary notation to optimize operations at a low level. Binary operations can lead to significant performance improvements, especially in systems programming, embedded development, and high-performance applications. Why Use Binary Notation? Binary notation allows for more efficient computations, […] The post How to Optimize Code Using Binary Notation? appeared first on Crunchify....

When working with Git, managing branches efficiently is crucial for keeping your repository clean and organized. If you no longer need a local branch, deleting it can help maintain clarity in your project. This guide will walk you through the steps to safely delete a local Git branch. Checking Your Existing Branches Before deleting a […] The post How to Delete a Local Git Branch? appeared first on Crunchify....

In this Java tutorial, you will learn How to Find Maximum Occurrence of Words from given Text File? Here is a logic for getting top element: Create a class CrunchifyComparable that can store the String value of the word and the number of occurrences it appears. Implement the Comparable interface for this class to sort by occurrences first […] The post In Java How to Find Maximum Occurrence of Words from Text File? appeared first on Crunchify....

Scroll to Top / Back to Top button at the bottom of page is sometime very essential mainly if you have long posts. Here on Crunchify, we do have most of Java tutorials and Blogging tips and those are very lengthy. If you are looking for Sticky Scroll To Top button which uses Javascript then follow this Tutorial: https://crunchify.com/how-to-add-smooth-scrolling-back-to-top-button-to-your-wordpress-blog/ […] The post Simple Scroll to Top Button in WordPress Footer without any JavaScript loading – Genesis Framework Tips appeared first on Crunchify....

Sometime back I’ve written an article on Producer Consumer Example and how to handle read/write operation better way in Java. On the similar note, in this tutorial we will discuss something on Race Condition and Thread locking. If you have any of the below questions then you are at right place: Why Race Condition in […] The post Have you noticed Race Condition in Java Multi-threading Concurrency Example? How to deal with it? appeared first on Crunchify....

How to convert Byte[] Array to String in Java? How to convert UTF-8 byte[] to string? Convert Java Byte Array to String to Byte Array. String stores textual data and for storing binary data you would need byte[]. In ideal situation you would avoid using the same in your production ready build. Here is a […] The post In Java How to convert Byte[] Array To String and String to Byte[]? appeared first on Crunchify....

How to iterate through Java List? This tutorial demonstrates the use of ArrayList, Iterator and a List. There are 7 ways you can iterate through List. Simple For loop Enhanced For loop Iterator ListIterator While loop Iterable.forEach() util Stream.forEach() util Java Example: You need JDK 13 to run below program as point-5 above uses stream() […] The post How to iterate through Java List? Seven (7) ways to Iterate Through Loop in Java appeared first on Crunchify....

Scan this: You will be redirected to https://crunchify.com QR code (abbreviated from Quick Response Code) is the trademark for a type of matrix barcode (or two-dimensional barcode) first designed for the automotive industry in Japan. Bar codes are optical machine-readable labels attached to items that record information related to the item. Initially patented, its patent […] The post Java: Simple QR Code Generator Example – Create QR codes for free appeared first on Crunchify....