What is the significance of default statement in C?
The default statement is executed if no case constant-expression value is equal to the value of expression . If there’s no default statement, and no case match is found, none of the statements in the switch body get executed. There can be at most one default statement.
What is the purpose of default statement?
Default clause in switch statement works as the same as else clause in if else block. If any of the other case values of the switch statement is not true, the default case will be activated.
What is the importance of default statement in switch?
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.
What is the purpose of default in a switch structure?
The purpose of the default in the switch case is to provide an option in case the condtions specified to trigger the execution of code within the other options does not occur so that the program will not crash.
Is default necessary in switch case?
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 & and * operators in C?
Answer: * Operator is used as pointer to a variable. & operator is used to get the address of the variable. Example: &a will give address of a.
What is the use of default statement in C switch case explain with an example?
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 importance of break and default statement in switch case?
break statement — The break statement takes the flow of control out of the switch statement. Without the break statement, execution would simply continue to the next case. default statement — When none of the case values are equal to the expression of switch statement then default case is executed.
Can you write without default?
Sure, you can use an switch statement without a default case.
What is a default case?
A default judgment is a ruling granted by a court or judge. For example, when a defendant is summoned to appear before the court in a case brought by a plaintiff, but fails to respond to the court’s legal order, the judge can rule for default judgment and thereby decide the case in the plaintiff’s favor.
What is difference between * and & in C?
The & is a unary operator in C which returns the memory address of the passed operand. This is also known as address of operator. <> The * is a unary operator which returns the value of object pointed by a pointer variable.
What does int * mean in C?
pointer
int* means a pointer to a variable whose datatype is integer. sizeof(int*) returns the number of bytes used to store a pointer.