TECH WORTHY MIND

 Introduction With over 2 billion users worldwide, WhatsApp has become a major target for cyber threats. Many people search online for “how to hack WhatsApp using Termux ”, but the reality is very different from what most of us think. In this guide, we will uncover the truth behind WhatsApp hacking, how tools like Termux are used in cybersecurity, and most importantly, how you can protect your account from real threats. ⚠️ Disclaimer : This article is for educational purposes only. Unauthorized access to any account is illegal under cyber laws like the IT Act 2000 . What is Termux? Termux is a free Android app that lets you use a Linux command-line environment directly on your smartphone. In simple words, it turns your phone into a mini computer terminal where you can run commands, install packages, and learn programming. Key Features: Run Linux commands on Android Install security testing tools Learn ethical hacking & coding No root required  It is widely used by dev...

Spam calls are becoming more common every day. If you are wondering how to block spam calls, you are not alone. From robocalls to phone scams, millions of users face this issue daily but the good news is, you can stop most of them quickly how to block spam calls on Android and iPhone 2026                                How to Block Spam Calls Quickly If you want  fast results? Here are  5 steps  that actually work - Register on a Do Not Call list Use a spam call blocker app Enable phone spam settings Block and report numbers Avoid sharing your number These methods can reduce spam calls by 80–90%.

  Super Keyword in Java -

 In this blog I will share with you the most important concept of Java that is Collection API. We will see all the Collection Class and Interfaces in details Collection in Java Collection in java is a Framework that provide a architecture to store and manipulate the object. In simple word we can say collection framework is used to store the object and also we can perform many operation like searching, insertion, Deletion and many more. Java Collection means a single unit of object and It have interface (List, Set, Queue, Deque) and have classes(ArrayList, Vector, LinkedList. PriorityQueue, HashSet, LinkedHashSet, TreeSet) Why we called Collection is a Framework, because it have  a readymade Interface and Classes  and use of collection is optional we can also create own architecture. Iterator Interface: Provide the facility to iterate the elements in the forward direction only. Method of Iterator interface public boolean hasNext() - Return true if collection has next eleme...

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When we are preparing for the job as a software developer in MNC's like Google, Mata, IBM, etc., we usually focus mostly on the data structure and algorithms, and sometimes we fall behind in the analysis of the algorithms. So it is also a very demanding skill for tech companies to analyze the performance of the algorithms in terms of time and space complexity. For analyzing the algorithms, we first create the recurrence relation. What is the recurrence relation in the context of algorithms? A recurrence relation is a mathematical relation or expression that is used to describe the time complexity of a problem in terms of its solution to smaller instances of the same problem. A typical recurrence relation is in the form: T(n) = f(n) + T(h(n)) where T(n) is the time complexity of the problem of size n, f(n) is the time complexity of the current problem, and h(n) is the size of the subproblem being solved. The recurrence relation is used to calculate the time complexity of various alg...

Frequently asked Questions in the Technical round of the IT Companies. 1. Program to print the String in Reverse. package iamAlien; import java.util.Scanner; public class Alien { public static void main(String[] args) {       Scanner sc = new Scanner(System.in);         System.out.println("Enter Any String without Space: ");       String reverse ="";       String str = sc.nextLine();       for(int i=0; i<str.length(); i++)       {     reverse = str.charAt(i) + reverse;              }       System.out.println(reverse); } } 2. Program to count the occurring a particular Alphabet in the word taken by the User. package iamAlien; import java.util.Scanner; public class Alien { public static void main(String[] args) {       Scanner sc = new Scanner(System.in);         System.out.println("...