Convert String to Enum and Enum to string in C#

For example, we have the following enum: enum Days { Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday } Convert enum string Use Enum.ToString method To convert an enumeration value to String. Days days = Days.Monday; string stringEnum = days.ToString(); Console.Write(stringEnum); Convert string to enum string strString = "Monday"; Days days = (Days)Enum.Parse(typeof(Days), strString); Or to... » read more

Check if a Number is valid using Java

Below is a snippet to check if a number  is valid or not. For example, the string “1.1.1” contains an invalid number, while the string “2.1” contains a valid number. The Code public class Main { public static void main (String[]args) { int i; System.out.println("Enter a Number:"); String str = System.console().readLine (); try { Double.parseDouble(str);... » read more

Retrieve Items from a LinkedList in Java

Here is another Java snippet that can help to enhance your program by using LinkedLists. The code below will retrieve all items from a linkedList and print them one by one to the console. class Main { public static void main(String[] args) { java.util.LinkedList<String> employees = new java.util.LinkedList<String>(); employees.add("Scott"); employees.add("Marie"); employees.add("Dun"); for (String string :... » read more

StringBuilder class constructors in Java

Below is a program that demonstrates the most used StringBuilder constructors in Java. public class Main { public static void main(String[] args) { StringBuilder sb1 = new StringBuilder(); StringBuilder sb2 = new StringBuilder(5); StringBuilder sb3 = new StringBuilder("Hello World"); System.out.printf("StringBuilder I = \"%s\"\n", sb1); System.out.printf("StringBuilder II = \"%s\"\n", sb2); System.out.printf("StringBuilder III = \"%s\"\n", sb3); }... » read more

Calculate the average of array element using Java

Below is a program that calculates the average value of an array using Java. public static void main(String[] args) { int[] arr= new int[]{1,2,3,4,5}; int sum = 0; for(int count=0; count < arr.length ; count++) sum = sum + arr[count]; double average = sum / arr.length; System.out.println("The average value of the array elements is :... » read more

Get the sum of array element using Java

Here is a program in Java that sums up all array element and print out the result to the console. class Main { public static void main(String[] args) { int[] arr = {1,2,3,4,5}; int total = 0; for (int i = 0; i < arr.length; i++) total += arr[i]; System.out.printf("The sum of array elements is:... » read more

Get List of Installed Windows Services using C#

Below is a program that will return all installed Windows Services on a local machine. The program uses the namespace System.ServiceProcess, which can be used by adding the Assemblies System.ServiceProcess.dll static void Main(string[] args) { System.ServiceProcess.ServiceController[] services = System.ServiceProcess.ServiceController.GetServices(); foreach (System.ServiceProcess.ServiceController service in services) { Console.WriteLine(service.ServiceName); } Console.ReadKey(); } Happy Coding! More C# Snippets

Get the square root of a number using Java

Square root can be easily obtained in Java by using the Math.sqrt function. The Math is a class in Java that contains methods that allows you to perform mathematical operations. System.out.println(Math.sqrt(9)); Result 3 More Java Snippets

Create a new Thread Delegate using C#

Below is a code that demonstrates how to create a Thread Delegate, which calls a function that will do some work for you in the background. static void Main(string[] args) { // Creating a thread Delegate System.Threading.Thread _thread = new System.Threading.Thread(new System.Threading.ThreadStart(FuctionDoBackgroundWork)); _thread.Start(); } // Fucntion that the thread delegate Starts public static void FuctionDoBackgroundWork()... » read more

Get Hard Drive Type using C#

The snippet below will get you the drive type where a specified file/folder is. static void Main(string[] args) { System.IO.FileInfo file = new System.IO.FileInfo("M:\\"); // File or Directory System.IO.DriveInfo _driveInfo = new System.IO.DriveInfo(file.FullName); Console.WriteLine("Drive: " + _driveInfo.Name); if (_driveInfo.IsReady) { Console.WriteLine("The drive type is: " + _driveInfo.DriveType.ToString()); } Console.ReadLine(); } Output More C# Snippets