Question

How would you write a switch case, What are its restrictions

A) switch (variable) { case 1: ... break; case 2: ... break; default: ... }
B) switch (variable) { case 1; ... break; case 2; ... break; default; ... }
C) switch (variable) { 1: ... break; 2: ... break; default: ... }
D) switch (variable) { case 1 { ... } case 2 { ... } default { ... } }

Answer 1

A switch case statement allows you to compare a variable's value against multiple cases and execute different code blocks based on the matching case. Each case should end with a break statement to prevent fall-through to the next case.

Step-by-step explanation:

A switch case statement in programming allows you to compare a variable's value against multiple cases and execute different code blocks based on the matching case. The correct syntax for a switch case statement in most programming languages is:

switch (variable) {
case 1:
...
break;
case 2:
...
break;
default:
...
}

In this example, the program will evaluate the value of the variable and execute the code block associated with the matching case. If none of the cases match, the code block under the default keyword will be executed.

It's important to note that each case should end with a break statement to prevent fall-through to the next case. Fall-through occurs when the code execution continues to the next case even if the current case matches.