Question

An operator is basically a symbol which performs arithmetical and logical operations to yield meaningful results. There are three types of operators used to perform any operation in Java programming. They are arithmetical, relational and logical operators. The arithmetical operators are used to perform arithmetical calculations. They are unary, binary and ternary operators. The syntax of using ternary operator is: 

variable = (condition) ? expression1 : expression2; 

Based on the above discussion, answer the following questions:

1. A / An ______ operator works on a single operand.
   1. binary
   2. relational
   3. unary
   4. ternary
2. Which of the following is not a logical operator?
   1. ++
   2. &&
   3. ||
   4. !
3. Which of the following constructs is equivalent to the ternary operator in Java language?
   1. if
   2. if-else
   3. nested if
   4. switch-case
4. Which of the following is a relational operator?
   1. &
   2. $
   3. !=
   4. !

Answer 1

1. iii. unary
2. i. ++
3. ii. if-else
4. iii. !=