Data Types in Dart

Data types in Dart define the type of value a variable can hold, such as numbers, text, or logical values. Dart is an optionally typed language, meaning you can explicitly declare types or let Dart infer them automatically.

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Data Types in Dart

Numbers (int, double, num)

Dart supports three main types for numbers:

• int: Represents whole numbers without decimal points.
• double: Represents floating-point numbers (numbers with decimal points).
• num: A supertype for both int and double, allowing either type.

Example:

int num1 = 100;
double num2 = 130.2;
num num3 = 50;
num num4 = 50.4;
num sum = num1 + num2 + num3 + num4;
print("Sum is $sum");

Strings (String)

Strings represent sequences of characters (text) and can be enclosed in single or double quotes.

Example:

String schoolName = "Diamond School";
String address = "New York 2140"…