Which control-flow construct in most high-level programming languages allows a program to execute one block of code when a Boolean condition evaluates to true and a different block when that condition evaluates to false?
if-else statement
for loop
switch-case statement
while loop
An if-else statement evaluates a Boolean expression. If the expression is true, the code in the if block runs; otherwise, the code in the else block runs. Loop constructs such as for and while repeat code rather than choose between two alternatives, and a switch-case statement selects among multiple discrete values rather than a simple true/false condition.
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