C# String.ToUpperInvariant মেথড

C#-এ String.ToUpperInvariant() মেথড একটি স্ট্রিং-এর সব ক্যারেক্টারকে বড় হাতের (uppercase) রূপান্তর করে একটি নতুন স্ট্রিং ফেরত দেয়, অবিচল সংস্কৃতি (invariant culture)র কেসিং নিয়ম ব্যবহার করে।

সিনট্যাক্স

public string ToUpperInvariant ();

উদাহরণ ১

using System;
using System.Text;

public class Demo {
    public static void Main(String[] args) {
        string str1 = "one";
        string str2 = "TWO";
        string str3 = "ThrEE";
        Console.WriteLine("String 1 = " + str1);
        Console.WriteLine("String1 ToUpperInvariant = " + str1.ToUpperInvariant());
        Console.WriteLine("String 2 = " + str2);
        Console.WriteLine("String2 ToUpperInvariant = " + str2.ToUpperInvariant());
        Console.WriteLine("String 3 = " + str3);
        Console.WriteLine("String3 ToUpperInvariant = " + str3.ToUpperInvariant());
    }
}

আউটপুট

String 1 = one
String1 ToUpperInvariant = ONE
String 2 = TWO
String2 ToUpperInvariant = TWO
String 3 = ThrEE
String3 ToUpperInvariant = THREE

উদাহরণ ২

using System;

public class Demo {
    public static void Main(String[] args) {
        string str1 = "abcd";
        string str2 = "PQRS";
        Console.WriteLine("String 1 = " + str1);
        Console.WriteLine("String1 ToUpperInvariant = " + str1.ToUpperInvariant());
        Console.WriteLine("String 2 = " + str2);
        Console.WriteLine("String2 ToUpperInvariant = " + str2.ToLowerInvariant());
    }
}

আউটপুট

String 1 = abcd
String1 ToUpperInvariant = ABCD
String 2 = PQRS
String2 ToUpperInvariant = pqrs