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Simultaneous execution of both if and else blocks
Is it possible to put some condition, so that both if and else part in an if ...else control statement can be executed without any warning or error ??
648
Hence we can conclude that only one of the block of if-else statement will execute according to the condition of Boolean expression. But we can change our code so that both the statements inside the if block and the else block gets executed, for the same condition.
C has the following conditional statements: Use if to specify a block of code to be executed, if a specified condition is true. Use else to specify a block of code to be executed, if the same condition is false. Use else if to specify a new condition to test, if the first condition is false.
The elseif statement is only executed if the preceding if expression and any preceding elseif expressions evaluated to false , and the current elseif expression evaluated to true .
You can have as many else if statements as necessary. In the case of many else if statements, the switch statement might be preferred for readability. As an example of multiple else if statements, we can create a grading app that will output a letter grade based on a score out of 100.
Do not use! ;-)
Yes, by forking.
if ( fork() ) {
printf("if\n");
}
else {
printf("else\n");
}
There are no real use cases to prefer the above code, unless it is for parallel execution.
197
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