3 - Data Types

Not all data is the same, here we discuss:

  • Int, which is an integer such as 1, 2, 3, 100, 10000, etc
  • Float, which is a decimal number containing up to 7 digits
  • Double, which is a decimal number containing up to 15-16 digits
  • Char, which is a single character
  • String, which is a sequence of characters
  • Boolean, a true or false, or a 1 or 0
  • Array, a set of a data type in between square brackets 
    • ["Apple", "B", "1"] - An array of strings
    • [1, 2, 4] - An array of integers