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Swift program to demonstrate the fallthrough statement in the switch statement

Here, we are going to demonstrate the fallthrough statement in the switch statement in Swift programming language.
Submitted by Nidhi, on June 02, 2021

Problem Solution:

Here, we will use the fallthrough statement in the switch statement. If we want to execute the next case within the switch statement then we need to use the fallthrough statement.

Program/Source Code:

The source code to demonstrate the fallthrough statement in the switch statement is given below. The given program is compiled and executed successfully.

// Swift program to demonstrate the 
// fallthrough statement in switch statement

var weekNum:Int=2;

switch weekNum {
    case 1:
	    print("Sunday");
    case 2:
    	print("Monday");
    fallthrough;
    case 3:
    	print("Tuesday");
    case 4:
    	print("Wednesday");
    case 5:
    	print("Thursday");
    case 6:
    	print("Friday");
    case 7:
    	print("Saturday");
    default:
    	print("Invalid week number");
}

Output:

Monday
Tuesday

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

Explanation:

In the above program, we imported a package Swift to use the print() function using the below statement,

import Swift;

Here, we created an integer variable weekNum initialized with 2 and, we created a switch block that contains multiple cases. And, we selected the "case 2:" based on the value of the weekNum variable. Because of the fallthrough statement, the next case is also executed. That's why "Monday" and "Tuesday" will be printed on the console screen.

Swift Switch Statement Programs »



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