C :

#include<stdio.h>
#include<string.h>
#include<ctype.h>

int main()
{
	int t,n,i;
	char a[200];
	scanf("%d%*c",&t);
	while(t--)
	{
		gets(a);
		for(n=i=0;i<strlen(a);i++)
		{
		    if(isalpha(a[i])&&n==0)
			{
				putchar(toupper(a[i]));
				n++;
			}
            if(!isalpha(a[i]))
				n=0;
		}
		printf("\n");
	}
	return 0;
}

C++ :

#include<stdio.h>
#include<string.h>
#include<ctype.h>

int main()
{
	int t,n,i;
	char a[200];
	scanf("%d%*c",&t);
	while(t--)
	{
		gets(a);
		for(n=i=0;i<strlen(a);i++)
		{
		    if(isalpha(a[i])&&n==0)
			{
				putchar(toupper(a[i]));
				n++;
			}
            if(!isalpha(a[i]))
				n=0;
		}
		printf("\n");
	}
	return 0;
}

Pascal :

program p1039;
var st,s:string;
    i,j,n:longint;
begin
  readln(n);
  for i:=1 to n do
   begin
     readln(st);
     s:='';
     j:=1;
     while j<=length(st) do
      begin
       while (st[j]=' ') and (j<=length(st)) do
         j:=j+1;
       if j<=length(st) then s:=s+upcase(st[j]);
       while (st[j]<>' ') and (j<=length(st)) do
         j:=j+1;
      end;
     writeln(s);
   end;
end.

Java :

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		int t = Integer.parseInt(in.nextLine());
		while(t-->0){
			String[] ss = in.nextLine().split(" ");
			StringBuffer sb = new StringBuffer();
			for(String s:ss)
				if(!s.equals(""))
					if(s.charAt(0)>'Z')sb.append((char)(s.charAt(0)-'a'+'A'));
					else sb.append((char)(s.charAt(0)));
			System.out.println(sb);
		}
	}

}

Python :

def f(a):
	c = ''
	for i in range(len(a)):
		b = a[i]
		c = c +b[0].upper()
	return c

n = int(raw_input())
while n > 0:
	n -= 1
	line = raw_input().split()
	print f(line)

C# :

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            string str;
            int t=Convert.ToInt32(Console.ReadLine());
            while (t>0) 
            {
                str = Console.ReadLine();
                string[] ans = str.Split(' ');
                str = "";
                for (int i = 0; i < ans.Count(); i++)
                {
                    if(ans[i]!="")
                       str+=ans[i][0].ToString();
                }
                str = str.ToUpper();
                Console.WriteLine(str);
                t--;
            }
        }
    }
}