Programming Articles - Page 2330 of 3366

The DateTime.IsLeapYear() method in C# is used to check whether the specified year is a leap year. The return value is a boolean, with TRUE if the year is a leap year, else FALSE.SyntaxFollowing is the syntax −public static bool IsLeapYear (int y);Above, y is the year to be checked, 2010, 2016, 2019, etc.ExampleLet us now see an example to implement the DateTime.IsLeapYear() method −using System; public class Demo {    public static void Main() {       int year = 2019;       Console.WriteLine("Year = "+year);       if (DateTime.IsLeapYear(year)){          Console.WriteLine("Leap Year!"); ... Read More

The DateTime.IsDaylightSavingTime() method in C# is used to indicate whether this instance of DateTime is within the daylight saving time range for the current time zone.SyntaxFollowing is the syntax −public bool IsDaylightSavingTime ();ExampleLet us now see an example to implement the DateTime.IsDaylightSavingTime() method −using System; public class Demo {    public static void Main() {       DateTime d = new DateTime(2019, 10, 11, 7, 10, 40);       bool res = d.IsDaylightSavingTime();       if (res)          Console.WriteLine("TRUE: This instance of DateTime is within the daylight saving time range for the current time ... Read More

he DateTime.GetTypeCode() method in C# is used to return the TypeCode for value type DateTime. The returned value is the enumerated constant, DateTime.SyntaxFollowing is the syntax −public TypeCode GetTypeCode ();ExampleLet us now see an example to implement the DateTime.GetTypeCode() method −using System; public class Demo {    public static void Main() {       DateTime d = DateTime.Now;       TypeCode res = d.GetTypeCode();       Console.WriteLine("TypeCode of Date {0} = {1} ", d, res);    } }OutputThis will produce the following output −TypeCode of Date 10/16/2019 7:08:50 AM = DateTimeExampleLet us now see another example to ... Read More

The DateTime.GetHashCode() method in C# is used to returns the hash code for this instance. This return value is a 32-bit signed integer hash code.SyntaxFollowing is the syntax −public override int GetHashCode ();ExampleLet us now see an example to implement the DateTime.GetHashCode() method −using System; public class Demo {    public static void Main() {       DateTime d = new DateTime(2019, 11, 10, 7, 20, 45);       int res = d.GetHashCode();       Console.WriteLine("HashCode for date {0} = {1}", d, res);    } }OutputThis will produce the following output −HashCode for date 11/10/2019 7:20:45 AM ... Read More

The DateTime.GetDateTimeFormats() method in C# is used to convert the value of this instance to all the string representations supported by the standard date and time format specifiers.SyntaxFollowing is the syntax −public string[] GetDateTimeFormats () public string[] GetDateTimeFormats (char ch);Above, ch is a standard date and time format string.ExampleLet us now see an example to implement the DateTime.GetDateTimeFormats() method −using System; public class Demo {    public static void Main() {       DateTime d = new DateTime(2019, 11, 10, 7, 20, 45);       string[] res = d.GetDateTimeFormats();       foreach(string s in res)     ... Read More

In Java, Jackson is a library that is used to convert JSON to Java objects and vice versa. Jackson Annotations are used during serialization and deserialization. We use annotations with a particular field or method that is declared in Java.  So, Annotations make the JSON output clearer as we required. In this Article, we will learn about one of its annotations @JsonRootName. @JsonRootName Annotatation The @JsonRootName annotation is a Jackson annotation that is used on a class if we want to do wrapping in our JSON attributes. It is a class-level annotation. It wraps the object to be serialized with a ... Read More

The DateTime.FromOADate() method in C# is used to return a DateTime equivalent to the specified OLE Automation Date.SyntaxFollowing is the syntax −public static DateTime FromOADate (double val);Above, Val is the OLE Automation Date value.ExampleLet us now see an example to implement the DateTime.FromOADate() method −using System; public class Demo {    public static void Main() {       DateTime d1 = DateTime.FromOADate(1.0);       Console.WriteLine("DateTime = {0:dd} {0:y}, {0:hh}:{0:mm}:{0:ss} ", d1);    } }OutputThis will produce the following output −DateTime = 31 December 1899, 12:00:00ExampleLet us now see another example to implement the DateTime.FromOADate() method −using System; public ... Read More

The UInt32 struct represents a 32-bit unsigned integer. The UInt32 value type represents unsigned integers with values ranging from 0 to 4, 294, 967, 295.Let us now see some examples of UInt32 Struct methods −UInt32.CompareTo()The UInt32.CompareTo() method in C# is used to compare the current instance to a specified object or UInt32 and returns an indication of their relative values.SyntaxFollowing is the syntax −public int CompareTo (object val); public int CompareTo (uint val;Above, the value for the 1st syntax is an object to compare. The value for 2nd syntax is an unsigned integer to compare.The return value is 0 if ... Read More

The UInt16 struct represents a 16-bit unsigned integer. The UInt16 value type represents unsigned integers with values ranging from 0 to 65535.Let us now see some examples of UInt16 Struct methods −UInt16.CompareTo()The UInt16.CompareTo() method in C# is used to compare the current instance to a specified object or UInt16 and returns an indication of their relative values.SyntaxFollowing is the syntax −public int CompareTo (object val); public int CompareTo (ushort val;Above, the value for the 1st syntax is an object to compare. The value for 2nd syntax is an unsigned integer to compare.The return value is 0 if the current instance ... Read More

The Match class has static methods and constants for trigonometric, logarithmic and other mathematical functions.The Math class in C# has Math.E and Math.PI fields. Let us see an example of both the fields −Math.EIt is the natural logarithmic base specified by the constant e.SyntaxThe syntax is as follows −public const double E = 2.71828182845905;ExampleLet us now see an example −using System; public class Demo{    public static void Main(){       double d = Math.E;       Console.WriteLine("Math.E = " + d);    } }OutputThis will produce the following output −Math.E = 2.71828182845905Math.PIThe Math.PI field represents the ratio ... Read More