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Getting Started with SonarLang
  • Syntax Basics
    • Data Types
      • Numbers
      • Strings
      • Booleans
    • Variables
    • Conditionals
      • Decision-making with If Statements
      • Better Decision-making with If...Else Statements
    • Functions
    • Data Structures
      • Arrays
        • Math Operators and Arrays
        • Built-in Functions for Manipulating Arrays
      • Maps
        • Built-in Functions for Manipulating Maps
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  1. Syntax Basics

Conditionals

This section explains how programs can be made to take decisions on their own by a process known as "branching".

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Last updated 2 years ago

Programs power thousands of many different tools in use today, from traffic lights to smartphones and the Internet, from social media applications like TikTok to life-saving equipment like MRIs and laser-assisted surgical equipments.

Branching is a special kind of "control flow" in programs. You can read more about control flow .

These complex applications need to be to make decisions on their own based on their understanding of certain conditions. For example,

  • a traffic light controller has 3 colours ––red, amber and green –– and needs to decide which colour to display, based on the current traffic conditions

  • an iPhone needs to decide which application to start, based on which button was tapped on the screen

  • the TikTok application needs to decide which video to play, based on the video currently visible to the current user

In this section, we will write a simple traffic controller program.

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