Name

if

Description

Allows the program to make a decision about which code to execute. If the test evaluates to true, the statements enclosed within the block are executed and if the test evaluates to false the statements are not executed.

Examples

  • for (int i = 5; i < height; i += 5) {
      stroke(255);   // Set the color to white
      if (i < 35) {  // When 'i' is less than 35...
        stroke(0);   //...set the color to black
      }
      line(30, i, 80, i);
    }
    Image output for example 1

Syntax

  • if (test) {
  • statements
  • }

Parameters

  • testany valid expression that evaluates to true or false
  • statementsone or more statements to be executed

Related