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Ruby Language Hello World with tk


Example

Tk is the standard graphical user interface (GUI) for Ruby. It provides a cross-platform GUI for Ruby programs.

Example code:

require "tk"
TkRoot.new{ title "Hello World!" }
Tk.mainloop

The result:

Result of Hello World with tk

Step by Step explanation:

require "tk"

Load the tk package.

TkRoot.new{ title "Hello World!" }

Define a widget with the title Hello World

Tk.mainloop

Start the main loop and display the widget.