Operators

Question 1

Operator

Answer 1

Symbol for built-in language calculations

Question 2

Compound Operators

Answer 2

Provide a shorthand way to update a variable

+=, -=, *=, /=, %=

Question 3

unary-

Answer 3

Negation of value

-1

Question 4

%

Answer 4

Modulo

Remainder of the division of two integers

Question 5

+=

Answer 5

Compound Operator

userAge += 1 IS userAge = userAge + 1

Question 6

Arithmetic Operators

Answer 6

Perform arithmetic

unary-, *, /, %, +, -

Question 7

Equality Operators

Answer 7

==, ! =

Cannot be used with floating-point numbers

Question 8

Logical Operators

Answer 8

Evaluates to true or false (binary)

&&, ||, !

Question 9

Relational Operators

Answer 9

Evaluates to true or false (binary)
Only one operator is evaluated at a time, based on precedence rules
< , > , <=, >=, ==, !=

Question 10

Ternary Operator

Answer 10

Conditional expression with 3 operands
Good practice limits use to assignment statements
(condition) ? exprWhenTrue: exprWhenFalse

Question 11

Short Circuit Evaluation

Answer 11

Logical operators stop left to right evaluation as soon as the result can be determined
AND / OR

Question 12

++i

Answer 12

Increment Operator

Shorthand of i = i + 1

Question 13

–i

Answer 13

Decrement Operator

Shortand of i = i - 1

Question 14

[]

Answer 14

String position