ternary operator is used where if statement is simple.If the expression ₁ is true it expression₂ execute otherwise expression ₃ will execute.
expression₁ ? expression₂:  expression₃

expression₁ : Indicates condition for ternary operator.if this is true then expression2 will execute else expression3 will execute.

expression₂ : Indicates first statement.

expression₂ : second statement.

Example :

z = (a>b) ? a : b;