Chapter2_3-Operators

# S gannouni dr a touir introduction to oop

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Unformatted text preview: lication/assignment Division/assignment Remainder/assignment Page 17 Dr. S. GANNOUNI & Dr. A. TOUIR += −= ∗= /= %= Introduction to OOP Arithmetic/Assignment Operators • The syntax is leftSide Allways ititis aa Allways is vvariableidentifier. ariable identifier. Op= rightSide ; ItItis either aaliteral | |aa is either literal vvariableidentifier | | ariable identifier aaneexpression. n xpression. ItItis an aarithmetic is an rithmetic operator. operator. • This is equivalent to: leftSide = leftSide Op rightSide ; ⇔ x = x % 5; x*=y+w*z; ⇔ x = x*(y+w*z); • x%=5; • Page 18 Dr. S. GANNOUNI & Dr. A. TOUIR Introduction to OOP Increment/Decrement Operators Only use ++ or − − when a variable is being incremented/decremented as a statement by itself. x++; is equivalent to x = x+1; x--; is equivalent to x = x-1; Page 19 Dr. S. GANNOUNI & Dr. A. TOUIR Introduction to OOP Relational Operators • Relational operators compare two values • They Produce a boolean value (true or false) depending on the relationship Operation Is true when a >b a >=b a is greater than or equal to b a ==b a is equal to b a !=b a is not equal to b a <=b a is less than or equal to b a <b Page 20 a is greater than b a is less than b Dr. S. GANNOUNI & Dr. A. TOUIR Introduction to OOP Example • int x = 3; • int y = 5; • boolean resu...
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