Write a Java-program to check the given character is capital letter or not

Write a Java-program to check the given character is capital letter or not

Program

public class Main
{
    public static void main(String args[])
    {
        char ch='R';
        if(ch>='A' && ch<='Z')
        {
            System.out.println("Capital Letter");
        }
        else
        {
            System.out.println("Not a Capital Letter");
        }
    }
}	

Capital Letter

Using CommandLine Arguments

public class Main
{
    public static void main(String args[])
    {
        char ch;
        ch=args[0].charAt(0);
        if(ch>='A' && ch<='Z')
        {
            System.out.println("Capital Letter");
        }
        else
        {
            System.out.println("Not a Capital Letter");
        }
    }
}	

Capital Letter

Using Scanner Class

import java.util.*;
public class Main
{
    public static void main(String args[])
    {
        char ch;
        Scanner s=new Scanner(System.in);
        System.out.println("Enter character");
        ch=s.next().charAt(0);
        if(ch>='A' && ch<='Z')
        {
            System.out.println("Capital Letter");
        }
        else
        {
            System.out.println("Not a Capital Letter");
        }
    }
}	

Enter character
R
Capital Letter

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