Home » Swift » Swift Programs

Swift program to create variables with specifying data type

Here, we are going to learn how to create variables with specifying data type in Swift programming language?
Last Updated : May 30, 2021

Swift - Create variables with specifying data type

Here, we will create a variable using the var keyword without specifying the data type. This feature is known as type reference. Swift variables automatically check the type of value assigned to the variables.

Swift program to create variables with specifying data type

The source code to create variables with specifying data type is given below. The given program is compiled and executed successfully.

// Swift program to create variables 
// with specifying data type

var num1 = 10;
var num2 = 20.56;

print("Num1: ",num1);
print("Num2: ",num2);

Output

Num1:  10
Num2:  20.0

...Program finished with exit code 0
Press ENTER to exit console.

Explanation

In the above program, we created two variables num1, num2 using the var keyword, which are initialized with 10, 20.56 respectively. After that, we printed the value of created variables on the console screen.

Swift Basic Programs »