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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.

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โˆ™ 2010-01-12 02:40:38
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โˆ™ 2010-01-12 02:40:38

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.

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Q: Define an expression that evaluates to true when i equals j?
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What is an expression evaluates as either true or false?

Boolean expression


You use the operator to reverse the meaning of a Boolean expression?

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


Is the statement -14-10 true?

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


Can you Compare while and do while?

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.


What is control structure in programming language?

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.


What is a difference between while and do while loop in c programming?

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.


Is it true When the base of an exponential expression is 1 the value of the expression always equals 1?

Yes.


What is it called when there is an equation that is always true?

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.


What is a while?

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);


Is 10 equals 120 an expression or an equation?

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.


What is while statement and how is it used?

You use a while statement to introduce a conditional loop. Unlike a for loop which is typically used for counted loops, a while loop is used whenever a statement must iterate while an expression evaluates true. The expression is evaluated at the start of each iteration.


Given the following variable declaration, which of the following expressions evaluate to true?

true explanation: Given x=10 (x equals 10); So x is not greater than 10. Expression evaluates to true b. x ans: true explanation: Given x=10 ; So x has some value. Expression evaluates to true c. (x != 5) && (y != z) ans: true explanation: Given x=10 ; So x is not equal to 5. Given y=15 and z=20; So both are not equal; Both the conditions are true; Expression evaluates to true d. x >= z || (x + y >= z) ans: true explanation: Given x=10 and z=20; x is not greater than or equal to z. first condition i.e x>=z is false But x+y =>30 is greater than or equal to z. i.e x+y >=z is true; Since conditions are combined using OR operator, it is evaluated to true (either of the...


What is a comparative operator?

Comparative operators are used to compare the logical value of one object with another and thus establish the rank (ordering) of those objects. There are six comparative operators in total: p<q : evaluates true when p is less than q p>q : evaluates true when p is greater than q p<=q : evaluates true when p is less than or equal to q p>=q : evaluates true when p is greater than or equal to q p!=q : evaluates true when p is not equal to q p==q : evaluates true when p is equal to q


Is a plus 2a equals 3a equation or expression?

It is, in fact, an identity - which is an equation which is true for all values of the variable.


What is the function of the if function?

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."


Why does a CPU evaluate the expression 'a' equals 'a' as true?

CPUs, when given mathematical equations, apply the laws of mathematics to those equations. The equation a = a is true by the reflexive property of equality.


What is the if statement in java?

The if statement evaluates boolean (true or false) expressions. For example: if ( a = b ) or if (4 = 4 ) The first would be true if a was equal to b and false if not. The second would always be true seeing that 4 always equals 4.


What is an arithmetic IF in FORTRAN programming?

Unlike a logical IF where the control expression is Boolean and has two branches depending on whether the expression evaluates true or false, the control expression of an arithmetic IF is a numeric expression (such as x+y) and has three branches depending on whether that expression evaluates negative, zero or positive. In languages that do not provide native support for arithmetic IF (such as C++), we can implement arithmetic IF using logical IF as follows, where z holds the result of the arithmetic expression (such as z=x+y): if (z<0) { // negative path } else if (z==0) { // zero path } else { // positive path }


235 plus 476 equals 733 find the base in which the above expression is true?

It is Base 8, also known as Octal.


What is the method used to implement an if else statement in C?

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.


What expression has a value of either true or false?

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


In an AND decision structure the second condition is tested only if the first condition evaluates to?

true


What is flag controlled while loop?

A while loop evaluates a conditional expression at the start of each iteration. If the conditional expression evaluates false, execution passes to the statement that immediately follows the body of the loop. If the conditional expression evaluates true, the body of the loop executes one iteration. When the end of the loop is reached, or a continue statement is encountered within the body of the loop, control passes back to the while statement where the conditional expression is re-evaluated. If a break statement is encountered within the body of the loop, the loop terminates and control passes to the next statement. If a return statement is encountered within the body of the loop, the loop terminates and control passes to the calling function.while (expression) {// repeats until the expression evaluates false}The braces are optional when the body of the loop is a simple statement. Compound statements must be enclosed in braces.A flag-controlled while loop has a simple conditional expression that evaluates a Boolean value:bool x;// ...while (x==true) { // flag-controlled loop// ...}}The above loop can also be written without the equality operator:while (x) { // flag-controlled loop // ...}Moreover, any integral type (such as int or char) will implicitly convert to a bool such that non-zero values evaluate true and zero evaluates false. As such, any integral type can be used in a flag-controlled loop.


Which of the following are true statements about the expression 7 - (-7)?

14


What is the format of if statement in c plus plus?

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.