In this code snippet, you will learn how to find the average of two integer numbers in C. the program is fairly easy and should be a great resource for new C learners. Average of Two Integer Numbers in C The program logic is easy: The user is prompted to enter two integer numbers, x,…
SQL Wildcard Characters and Their Usage
In this tutorial, you are going to learn how to use the wildcard characters % and _ to search database tables in SQL Supported databases engines, such as Oracle and MS SQL Server. 1- The % character and SQL Queries First, let’s learn how the % character help in querying for data. The character ‘%’…
Examples of ArrayList in Java
In this tutorial, you will learn how to create an array using ArrayList in Java. To get started we need to add the following namespace: import java.util.ArrayList; 1- ArrayList of String values First, let’s create an ArrayList of String values: import java.util.ArrayList; public class ArrayListExample { public static void main(String[] args) { ArrayList < String…
Print Prime Numbers from 1 to N in Java
In this code sample, you will learn how to print prime numbers from 1 to N using java. The program will read the N value, entered by the user, then check whether a number is prime or not. The program will print all print numbers between 1 and N to the output. What is a…
Build a simple web application using Node.js and MySQL
In this article, we will build a basic To-do web application using Node.js and MySQL database. We will use the Express.js framework to keep our application short and simple. Moreover, we will use the Express Handlebars as our view engine. A simple Todo app using Node.JS and MySQL The To-do application will have the following…
Program to get yesterday’s date in Java
In this Java program, you will learn how to retrieve yesterday’s date, then print it out to the console. The concept is easy; get today’s date and substrate one day from it. The output will be formatted as MM/DD/YYYY Get yesterday’s Date using Java package cp; import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.Calendar; public class Main…
Get IP address, computer name and MAC address using Java
In this code snippet, you will learn how to get an IP Address, computer name, and MAC address in a Windows OS environment using Java. We are going to use the namespaces below in order for this program to execute and run. import java.net.InetAddress; import java.net.NetworkInterface; Java Program to Get IP address, computer name, and…
Remove vowels from a string using Java
Below is a Java program that removes all vowels from a given string. A user is prompted to enter a string. The program will eliminate all vowels from that string, if any, then print the result out to the console. Java program to remove vowels from a string import java.util.Scanner; public class Main { public…
Swapping 2 numbers using Java
This Java example will swap the first variable’s value into the second variable and the second variable’s value into the first variable. Swape two numbers in Java public class Main { public static void main (String args[]) { int num1 = 5, num2 = 10; System.out.println (“Numbers before swapping are:”); System.out.println (“Number 1: ” +…
Get ASCII value for a character in Java
In this code snippet, you will learn how to get the ASCII value of a character in Java. ASCII code values in Java The concept is easy, the program will read from the user a char value, find the ASCII representation of that char, then print it out to the console. import java.util.Scanner; public class…