Why do we use default in switch case?
2) Default: This keyword is used to specify the set of statements to execute if there is no case match. Note: Sometimes when default is not placed at the end of switch case program, we should use break statement with the default case. 2) Duplicate case values are not allowed. 3) The default statement is optional.
What is default case in C programming?
The default case is an optional one. Whenever the value of test-expression is not matched with any of the cases inside the switch, then the default will be executed. Otherwise, it is not necessary to write default in the switch.
What is the purpose of default statement in C++?
A default argument is a value provided in a function declaration that is automatically assigned by the compiler if the caller of the function doesn’t provide a value for the argument with a default value. In case any value is passed the default value is overridden.
Is default necessary in switch case in C?
No it is not necessary of default case in a switch statement and there is no rule of keeping default case at the end of all cases it can be placed at the starting andd middle of all other cases.
What is switch in C programming?
A switch statement allows a variable to be tested for equality against a list of values. Each value is called a case, and the variable being switched on is checked for each switch case.
Why break and continue keywords are used?
The break statement is used to terminate the loop immediately. The continue statement is used to skip the current iteration of the loop. break keyword is used to indicate break statements in java programming. continue keyword is used to indicate continue statement in java programming.
Why do we use switch statement in C?
Do you need a default case?
the default case in switch statement is not necessary,but it is useful when no case in switch is satisified or not matched then automatically it executes the default statement,if it is not there ,the switch statement is terminated.
Why is default statement used in switch case in C?
67. Why is default statement used in switch case in C? Switch case statements are used to execute only specific case statements based on the switch expression. If switch expression does not match with any case, default statements are executed by the program.
Why we use continue and break statement in C?
The one-token statements continue and break may be used within loops to alter control flow; continue causes the next iteration of the loop to run immediately, whereas break terminates the loop and causes execution to resume after the loop.
What is difference between break and continue?
The main difference between break and continue is that break is used for immediate termination of loop. On the other hand, ‘continue’ terminate the current iteration and resumes the control to the next iteration of the loop.