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Q: What is an expression evaluates as either true or false?

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A logical test is any value or expression that can be evaluated as being true or false.

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true

true.

False. The statement is not true if either of the numbers is 0 or negative.

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The NOT operator. E.g., NOT TRUE evaluates to FALSE while NOT FALSE evaluates to TRUE.

In C, any non-zero expression is true and any zero expression is false.

The "if" function evaluates an expression to either true or false. (In most systems, a value of zero equates to false, and any non-zero value to true.) If the expression is true, then the following command(s) is/are performed. If the expression is false, then no action is taken.For example:if (1+1=2) then print "Hey, that was easy!"if (2+2=5) then print "This will never happen."

A while() loop evaluates the conditional expression before entering the loop for the first time. If the conditional expression evaluates false, the loop does not execute. If the conditional expression evaluates true, the loop begins to iterate, evaluating the conditional expression before starting a new iteration. A do...while() loop evaluates the conditional expression at the end of the first loop. and is therefore guaranteed to enter the loop at least once. If the conditional expression evaluates true, the loop begins to iterates, re-evaluating the conditional expression at the end of each iteration.

A control structure alters the flow of execution. The IF control structure evaluates a boolean expression and executes an associated statement only when the expression evaluates true. An IF-ELSE control structure provides an alternative statement that only executes when the expression evaluates false. A SWITCH-CASE is a control structure that evaluates a non-boolean expression and "jumps" to a labelled code section based on the value of the expression.

The while loop evaluates the loop expression first. If it is true, the loop body executes, and then the loop iterates with the loop expression. If the expression is initially false, the loop body will never execute.The do while loop evaluates the loop body first, then it evaluates the loop expression. If it is true, the loop iterates with the loop body. The loop body will execute at least one time, no matter what the outcome of the loop expression.

an identity? maybe a tautology? Comment by mgately: In the field of discrete mathematics (simplified the study of logic) any expression which always evaluates to true is in fact called a tautology. While less cool sounding, an expression which always evaluates to false is just called a contradiction.

In Java, or C, the expression is simply:i == jIf the two are equal, this expression will evaluate to true; if not, it will evaluate to false.In Java, or C, the expression is simply:i == jIf the two are equal, this expression will evaluate to true; if not, it will evaluate to false.In Java, or C, the expression is simply:i == jIf the two are equal, this expression will evaluate to true; if not, it will evaluate to false.In Java, or C, the expression is simply:i == jIf the two are equal, this expression will evaluate to true; if not, it will evaluate to false.

Yes, any expression that evaluates non-zero is implicitly true.

If is a keyword that introduces a conditional expression. If the expression evaluates true, the statement or statement block that follows is executed, otherwise control is passed to the line following the statement or statement block, which may be another conditional expression. if( expression_1 ) { // do something when expression_1 is true } else if( expression_2) { // do something when expression_1 is false but expression_2 is true } else { // do something when both expression_1 and expression_2 are false }

Syntax:if (expression)statement;[elsestatement;]The expression must evaluate to a boolean value, where zero is false and all non-zero values are true. The statement (including the optional else statement) may be simple or compound, and may include a nested if statement. When the expression evaluates true, the first statement is invoked. If an else statement is provided, it is only executed when the expression evaluates false. After the appropriate statement is invoked, execution passes to the statement that immediately follows the entire if statement.

FALSE.... cuz in && operator the compiler chk both of the expression if any of the expression is false then answer will be false.. for true result both of d expression must be true... by warrior2pnk

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