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There are three main ways that you can iterate through a java map Use entrySet() function public void iterateByEntrySet(Map map) { for (Map.Entry entry : map.entrySet()) { System.out.println(entry.getKey() + “:” + entry.getValue()); } } 2. Use ketSet() function public void iterateByKeySetAndForeach(Map map) { for (String key : map.keySet()) { System.out.println(key + “:” + map.get(key)); } } 3. Use Values() function

NestJS is a server-side framework for building scalable, efficient, and maintainable Node.js applications. It is built on top of Express.js and provides a modular and intuitive structure for developing complex web applications. Some key features of NestJS include: Dependency Injection: NestJS provides a powerful dependency injection system, which makes it easy to manage dependencies and write testable code. Modular Architecture:

EnumType.values() Method public class YourEnumClass { public enum YourEnums{ CREATE, EVERY_UPDATE, FIRST_UPDATE, DELETE } } List yourEnumList=Arrays.asList(YourEnumClass.YourEnums.values()); EnumSet.allOf() Method public class YourEnumClass { public enum YourEnums{ CREATE, EVERY_UPDATE, FIRST_UPDATE, DELETE } } List yourEnumList=EnumSet.allOf(YourEnumClass.YourEnums.class);

Access Javascript Nested objects or Attributes safely It is very likely to get run time exceptions on trying to read value of undefined or null objects in Javascript. There are two ways we can solve this common development issue. The optional chaining operator, also known as the safe navigation operator, is a feature of ECMAScript 2020 and Node v14 that

ChatGPT is a language model, which was created and trained by OpenAI . ChatGPT uses a type of neural network called a transformer model. This type of model is designed to process sequential data, such as natural language text, and generate output that resembles human-generated text. It does this by learning to predict the next word in a sequence based

American Standard Code for Information Interchange is referred to as ASCII. An ASCII code is the numerical representation of a character, such as “a” or “@,” or an action of some kind because computers can only interpret numbers. Since ASCII was created so long ago, non-printing characters are now seldom ever utilized for what they were intended for. The first

A popular public-key cryptosystem for secure data transfer is RSA (Rivest-Shamir-Adleman). In addition, it is among the oldest. The surnames of Ron Rivest, Adi Shamir, and Leonard Adleman, who first publicly published the algorithm in 1977, are the origin of the abbreviation “RSA.” The English mathematician Clifford Cocks created a comparable method in secret at GCHQ (the British signals intelligence

Login to the database as root user mysql -u root -p Once you have logged in as root user, run the following command to list the user, host and encrypted password SELECT User, Host, Password FROM mysql.user; output : MariaDB [(none)]> SELECT User, Host, Password FROM mysql.user; +———-+———–+——————————————-+ | User | Host | Password | +———-+———–+——————————————-+ | root | localhost

Using yarn:   yarn global add pm2 Using npm npm install pm2 -g Using debian apt update && apt install sudo curl && curl -sL https://raw.githubusercontent.com/Unitech/pm2/master/packager/setup.deb.sh | sudo -E bash –

In bubble sort ,an  array is traversed from first element to last element. Then, current element is compared with the next element. If current element is greater than the next element, it is swapped. public class BubbleSortExample { static void bubbleSort(int[] arr) { int n = arr.length; int temp = 0; for(int i=0; i < n; i++){ for(int j=1; j