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If-then-else flow diagram A nested if–then–else flow diagram. In computer science, conditionals (that is, conditional statements, conditional expressions and conditional constructs) are programming language constructs that perform different computations or actions or return different values depending on the value of a Boolean expression, called a condition.
Download as PDF; Printable version; In other projects Wikidata item; Appearance. move to sidebar hide. A conditional statement may refer to: A conditional formula in ...
A conditional loop has the potential to become an infinite loop when nothing in the loop's body can affect the outcome of the loop's conditional statement. However, infinite loops can sometimes be used purposely, often with an exit from the loop built into the loop implementation for every computer language , but many share the same basic ...
The detailed semantics of "the" ternary operator as well as its syntax differs significantly from language to language. A top level distinction from one language to another is whether the expressions permit side effects (as in most procedural languages) and whether the language provides short-circuit evaluation semantics, whereby only the selected expression is evaluated (most standard ...
The material conditional (also known as material implication) is an operation commonly used in logic. When the conditional symbol → {\displaystyle \rightarrow } is interpreted as material implication, a formula P → Q {\displaystyle P\rightarrow Q} is true unless P {\displaystyle P} is true and Q {\displaystyle Q} is false.
If the algorithm requires a conditional branch, the GOTO (or GOSUB subroutine call) is preceded by an IF-THEN statement specifying the condition(s). All high level languages support algorithms that can re-use code as a loop , a control structure that repeats a sequence of instructions until some condition is satisfied that causes the loop to ...
<statement> is any single statement (could be simple or compound). <sequence> is any sequence of zero or more <statements> Some programming languages provide a general way of grouping statements together, so that any single <statement> can be replaced by a group: Algol 60: begin <sequence> end; Pascal: begin <sequence> end; C, PHP, Java ...
G-code began as a limited language that lacked constructs such as loops, conditional operators, and programmer-declared variables with natural-word-including names (or the expressions in which to use them). It was unable to encode logic but was just a way to "connect the dots" where the programmer figured out many of the dots' locations longhand.