Unary operators in Java are types that execute operations with only one operand, such as increment, decrement, and negation. It is made up of a number of different arithmetic, logical, and other operators that all work on the same operand.
The number of operands determines whether an operator is unary, binary, or ternary. A unary operator accepts only one operand; a binary operator takes two operands; and a ternary operator takes three operands.
In an expression, unary operators affect only one operand. The following are the unary operators: (*) is an indirection operator. Operator's address ( & )
In C#, a unary operator is an operator that only accepts one operand in an expression or statement. +, -,!,,++, --, and the cast operator are the unary operators in C#.
The ternary operator is another name for the conditional operator. Conditional statements are decision-making statements that are based on the expression's outcome. The symbols '?' and ':' are used to symbolise it.