SimpleDateFormat is a concrete class for formatting and parsing dates in a locale-sensitive manner. SimpleDateFormat allows you to start by choosing any user-defined patterns for date-time formatting.ExampleLive Demoimport java.util.*; import java.text.*; public class DateDemo {    public static void main(String args[]) {       Date dNow = ... Read More

With JDK 7, we can create a gradient based translucent window using swing very easily. Following are the steps needed to make a gradient-based translucent window. Make the background of JFrame transparent first.frame.setBackground(new Color(0, 0, 0, 0)); Create a gradient paint, and fill the panel.JPanel panel = new javax.swing.JPanel() {    protected ... Read More

The SimpleDateFormat class has parse() method, which tries to parse a string according to the format stored in the given SimpleDateFormat object.ExampleLive Demoimport java.util.*; import java.text.*;   public class DateDemo {    public static void main(String args[]) {       SimpleDateFormat ft = new SimpleDateFormat ("yyyy-MM-dd");       ... Read More

Let’s say we have set the number for which we will find the sum of digits −int val = 789; Console.WriteLine("Number:", val);The following will find the sum of digits by entering the number and checking it recursively −public int addFunc(int val) {    if (val != 0) {     ... Read More

To compare strings in C#, use the compare() method. It compares two strings and returns the following integer values −If str1 is less than str2, it returns -1. If str1 is equal to str2, it returns 0. If str1 is greater than str2, it returns 1.Set the two ... Read More

A toast message is an alert which disappears with time automatically. With JDK 7, we can create a toast message similar to an alert on android very easily. Following are the steps needed to make a toast message.Make a rounded rectangle shaped frame. Add a component listener to frame and ... Read More

Swing API is a set of extensible GUI Components to ease the developer's life to create JAVA based Front End/GUI Applications. It is built on top of AWT API and acts as a replacement of AWT API since it has almost every control corresponding to AWT controls.Following example showcases a ... Read More

SHOW INDEX statement is used to check the indexes created by a UNIQUE constraint on a MySQL table.SyntaxSHOW INDEX from table_name;ExampleSuppose we have the table ‘empl’ which have a UNIQUE constraint on column ‘empno’.mysql> describe empl; +--------+-------------+------+-----+---------+-------+ | Field  | Type        | Null | Key | Default ... Read More

Create a thread first and start it −// new thread Thread thread = new Thread(c.display); thread.Start();Now display the thread and set a stop function to stop the working of the thread −public void display() {    while (!flag) {       Console.WriteLine("It's Working");       Thread.Sleep(2000);    } ... Read More

To pause a thread in C#, use the sleep() method.You need to set the milliseconds for which you want the thread to pause, for example, for 5 seconds, use −Thread.Sleep(5000);ExampleLet us see how to loop through and set the sleep method to pause the thread.Live Demousing System; using System.Threading; namespace ... Read More