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Java 17 for Absolute Beginners: A Complete Guide to Get Started with Java Programming

Want to start learning Java programming ? This guide is just for you. We’ll cover the basics of Java 17 in simple language— no experience needed! ✅ What You’ll Learn: What is Java? Java 17 Features ( for beginners) Basic Syntax Data Types Operators Conditionals Loops Functions ( Methods) Object- Oriented Programming ( OOP) New Java 17 features ( Text blocks, Records) Practice Program 📌 What is Java? Java is: ✅ A popular and easy- to- learn language ✅ Platform- independent ( write once, run anywhere) ✅ Object- oriented ( based on real- world objects) ✅ Used for apps, websites, games, and more Java 17 is the latest Long- Term Support ( LTS) version, released in 2021. 1. Java 17 Basic Syntax Every Java program has a class and a main() method. public class HelloJava {     public static void main(String[] args) {         System.out.println("Hello, Java 17!");     } } 🔹 Notes: public cla...
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Easy way of navigate using Prism in WPF

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1. First.xaml <UserControl x:Class="PrismMain.Views.First"              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"              xmlns:local="clr-namespace:PrismMain.Views"              mc:Ignorable="d"              xmlns:prism="http://prismlibrary.com/"         prism:ViewModelLocator.AutoWireViewModel="True">     <StackPanel>           <Button Content="Navigate To Second" Margin="5"  Command="{Bin...
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How to Create TabControl using Prism Region

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MainWindow <metro:MetroWindow x:Class="PrismDemo.Views.MainWindow"         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"         xmlns:local="clr-namespace:PrismDemo.Views"         mc:Ignorable="d" xmlns:prism="http://prismlibrary.com/"         Title="MetroPrismDemo"         xmlns:metro="http://metro.mahapps.com/winfx/xaml/controls">     <Grid>         <TabControl Margin="5" prism:RegionManager.RegionName =" TabRegion "                   VerticalAlignment="Stretch" HorizontalAlignment="Left" Bord...
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How to create TextBox in wpf that does not accept number using MVVM?

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Method 1: Using Model Property Inside View <TextBox Width="200" Text="{Binding MainWindowModel.NonNumeric,UpdateSourceTrigger=PropertyChanged}"> Inside Model  private string _nonNumeric;         public string NonNumeric         {             get { return _nonNumeric; }             set             {                 int intvalue;                 if (!int.TryParse(value[value.Length - 1].ToString(), out intvalue))                     SetProperty(ref _nonNumeric, value);                 else                     value = _nonNumeric;             }         } M...
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How to create Own Semaphore?

 class CustomSemaphore     {         private Mutex[] arrMutex;         // place holder to store thread to mutex mapping         private Thread[] arrthread;         // number of threads allowed to access the resources         private int threadLimit;         // contructor creates the mutexes         public CustomSemaphore(int threadLimit)         {             this.threadLimit = threadLimit;             arrMutex = new Mutex[this.threadLimit];             arrthread = new Thread[this.threadLimit];             for (int i = 0; i < this.threadLimit; i++)             {                 arrMutex[i] = new Mutex()...
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Write a method for division of two number without using division (‘/’) operator in C#.

    void DivideWithoutDivisionOperator(int divident,int divisior)         {             int quotient = 0;             bool isNegative = false;             if (divident < 0)//if negative             {                 divident = -divident;//make positive                 if (divisior < 0)//if negative                     divisior = -divisior;//make positive                 else                     isNegative = true;             }             else if (divisior < 0)//if negative             {      ...
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