Flowchart for Hello World

The blocks it uses

Built from 2 kinds of block, between Start and End. Each one has a guide.

• AskAsk the user for input
• TellShow a message

Hello World in Python, Java, C++, C# and JavaScript

B4Coder writes the same program as real code. Change the flowchart in the editor and the code changes with it.

1name = input("What is your name? ")2print("Hello " + name + "!")

How each block becomes code: Python · Java · C++ · C# · JavaScript

Learn the ideas behind it

• Ask questions and remember values
• What is a program?