class Test { public static void main(String[] args) { int[] array = {7, 8, 12, 41, 13, 98, 12, 18, 15, 72, 65, 90, 39, 40, 81, 10}; long sum = 0; for (int i = 0; i < array.length; i++) { if (array[i] % 2 == 0) { // the way to find out…
Read More Imperative VS Declarative Programming Part 1Java try-catch blocks are an essential part of Java programming, used for handling exceptions that might occur during program execution. When used correctly, try-catch blocks can help you write more robust and error-free code. In this tutorial, I will explain what Java try-catch blocks are, how they work, and how to use them effectively. I’ll…
Read More Java Try-Catch Blocks: A Comprehensive GuideException handling is an essential part of any robust software application, and Java is no exception. In Java, an exception is an event that interrupts the normal flow of a program and can occur at runtime. It could be due to various reasons, such as incorrect input, lack of resources, or programming errors. Exception handling…
Read More Master Exception Handling in Java// creates an empty string buffer with the initial capacity of 16. StringBuffer str = new StringBuffer(); // creates a string buffer with the specified string. StringBuffer str = new StringBuffer(“some string value”); // creates an empty string buffer with the specified capacity as length. StringBuffer str = new StringBuffer(10); class Test { public static…
Read More StringBuffer class in JavaUp to this point, we’ve discovered that a String object is immutable, which implies that its contents cannot be altered once it is created. When we perform operations on a String, a new String object is generated. In order to modify the contents of a String, we can use the StringBuilder class provided by the…
Read More Master the StringBuilder Class in Javapublic int compareTo(Object obj) class Test { public static void main(String[] args) { List<String> list = new ArrayList<>(); list.add(“Python”); list.add(“Java”); list.add(“JavaScript”); list.add(“Ruby”); list.add(“Kotlin”); System.out.println(“Before sorting:”); System.out.println(list); // sorting the list Collections.sort(list); System.out.println(“After sorting:”); System.out.println(list); } } Output: Before sorting: [Python, Java, JavaScript, Ruby, Kotlin] After sorting: [Java, JavaScript, Kotlin, Python, Ruby] Sorting the array of…
Read More Comparable in JavaHashSet<String> set = new HashSet<>(); Set<String> set = new HashSet<>(); class Test { public static void main(String[] args) { Set<String> set = new HashSet<>(); set.add(“Java”); set.add(“Kotlin”); set.add(“Python”); set.add(“Ruby”); System.out.println(set); } } Output: [Java, Ruby, Kotlin, Python] class Test { public static void main(String[] args) { Set<String> set = new HashSet<>(); set.add(“Kotlin”); set.add(“Java”); set.add(“Ruby”); set.add(“Python”); Set<String>…
Read More Set in JavaArrayList<String> list = new ArrayList<>(); List<Integer> list = new ArrayList<>(); class Test { public static void main(String[] args) { List<String> list = new ArrayList<>(); list.add(“Steve”); list.add(“Megan”); list.add(“Melissa”); list.add(“Ryan”); System.out.println(list); } } Output: [Steve, Megan, Melissa, Ryan] Using the addAll() method, we can add all the elements of an existing list to the newly created…
Read More ArrayList in JavaIn this tutorial, we will have a deeper look into the “Model View ViewModel” (MVVM) architecture of Flutter. The MVVM pattern provides a uniform distribution of data with the benefits of flexibility and reusability of the code as well as data. Looking at the definition of MVVM it is the abbreviation of three words namely…
Read More MVVM Design Pattern In FlutterIterator<T> iterator() Method Description public boolean add(E e) It is used to insert an element in this collection. public boolean addAll(Collection<? extends E> c) It is used to insert the specified collection elements in the invoking collection. public boolean remove(Object element) It is used to delete an element from the collection.…
Read More Java CollectionsFor loops are an important part of Java programming and are used to execute a block of code repeatedly. They are especially useful when working with arrays or collections, allowing you to easily access and manipulate each element in the array or collection. In this tutorial, you will learn about the syntax of a for…
Read More Java For Loops: A Comprehensive GuideJava Strings are one of the most commonly used data types in Java programming, and understanding how to work with them effectively is essential for any Java developer. In this tutorial, I will cover everything you need to know about Java Strings, from the basics of creating and manipulating Strings to advanced concepts like regular…
Read More Mastering Java String: A Comprehensive TutorialJava is a popular object-oriented programming language used to build robust, scalable, and maintainable applications. One of the key features of Java is its support for method overloading and method overriding, which allows developers to write more efficient and flexible code. Method overloading and method overriding are two important concepts in Java that are often…
Read More Method Overloading vs Method Overriding in JavaEncapsulation is a fundamental concept in object-oriented programming (OOP) that involves bundling data and behaviour together into a single unit, called a class. The key idea behind encapsulation is to protect the data within a class from being accessed or modified directly by code outside the class. Instead, the class provides methods or functions to…
Read More Encapsulation in Java Made Easy: Mastering OOP PrinciplesIn Java, an interface is a collection of abstract methods that define a contract or a set of behaviors that a class can implement. Interfaces provide a way to achieve abstraction and polymorphism, enabling objects of different classes to be treated interchangeably based on their common behavior. In this tutorial, we will explore the various…
Read More Java Interfaces: Everything You Need to Know