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Description: The comparison operators used to compare two items & return a value of "true"if the condition evaluates to true, else they return false.
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Functionality
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Example/Explanation
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==
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Returns a true value if the items are the similar
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Counter == 10 Returns the value "true" if the counter's value is equal to the number 10 currently
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!=
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Returns a true value if the items are not the similar
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Counter != 10 Returns the value "true" if the counter's value is any value apart from the number 10
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>
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Returns a true value if the item of left is greater than the item of right
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counter>10 Returns the value "true" if the counter's value is larger than the number 10
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>=
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Returns a true value if the item of left is equal to or greater than the item of right
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counter>=10 Returns the value "true" if the counter's value is equivalent to or larger than the number 10
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<
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Returns a true value if the item of left is less than the item on the right
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counter<10 Returns the value "true" if the counter's value is smaller than the number 10
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<=
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Returns a true value if the item of left is equal to or less than the item of right
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counter<=10 Returns the value "true" if the counter's value is equivalent to or less than the number 10
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Computational Operators
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Description: The computational operators carry out a mathematical function on a value or values, and return a single value.
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operation
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Functionality
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Example/Explanation
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+
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Adds two values together
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counter+2 Returns the sum of the counter plus 2
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-
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Subtracts one value from another
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counter-2 Returns the sum of the counter minus
2
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*
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Multiplies two values
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counter*10 Returns the result of variable times 10
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/
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Divides the value of left by the one on the right and the result returns
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counter/2 Divides the current value of the counter through 2 and returns the result
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++X
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Increments the value, & then returns the result
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++counter Looks at the current value of the counter, increments it through one, and then returns the result. If the counter contains a value of 3, this expression returns the value of 4.
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X++
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Returns the value, & then increments the value
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counter++ Returns the value of the counter, then do increments in the counter. If the counter contains a value of 3, this expression returns the value of 3, and then sets the counter value to 4.
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--X
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Decreases the value, & then returns the result
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--counter Looks at the current value of the counter, decreases it through one, and then returns the result. If the counter contain a value of 7, this expression returns the value of 6.
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X--
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Returns the value, and then decreases the value
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counter-- Returns the value of the counter, then decreases the counter value. If the counter contains a value of seven, this expression returns the value of seven, then sets the counter value to six
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