In Java, or C, the expression is simply:
i == j
If 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 == j
If 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 == j
If 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 == j
If the two are equal, this expression will evaluate to true; if not, it will evaluate to false.
Boolean expression
The NOT operator. E.g., NOT TRUE evaluates to FALSE while NOT FALSE evaluates to TRUE.
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.
Yes, any expression that evaluates non-zero is implicitly true.
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.
The while keyword is used to create a while loop, which tests a boolean expression and executes the block of statements associated with the loop.If the expression evaluates to true, this continues until the expression evaluates to false.This keyword can also be used to create a do-while loop.Syntax:do{statements;}while(condition);
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.
Yes.
If a statement includes an "equals" sign ( = ) then the statement is an equation. By the way . . . it may or may not be a true statement. "10 equals 120" is not true.
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.
You use the if statement to control the flow of execution. The if statement allows your program to make decisions based upon the evaluation of an expression. The if statement has the following syntax: if (expression) { statement; } if (expression) { statement; } else { statement; } In the first version, the statement is only executed when the expression evaluates non-zero (true). In the second version, the first statement is executed when the expression evaluates non-zero, otherwise the second statement executes.