What is the difference between and and && in Ruby?

The difference between && and and and || and or in Ruby is in the order of precedence. Operator && has a higher precedence than and. Same is the case with the “or” operator. So the thumb rule is, never use and and or with ternary and assignment operators unless it is a special case and you know what you are doing.

What are operators in Ruby?

An operator is a symbol that represents an operation to be performed with one or more operand. Operators are the foundation of any programming language. Operators allow us to perform different kinds of operations on operands. There are different types of operators used in Ruby as follows: Arithmetic Operators.

What is === operator in Ruby?

Triple Equals Operator (More Than Equality) Ruby is calling the === method here on the class. Like this: String === “bacon” This compares the current class with the other object’s class. So the point of this operator is to define equality in the context of a case statement.

What is operator in C language?

An operator is a symbol which operates on a variable or value. There are types of operators like arithmetic, logical, conditional, relational, bitwise, assignment operators etc. Some special types of operators are also present in C like sizeof(), Pointer operator, Reference operator etc.

What is the difference between && || operators AND and OR?

length() would not be invoked on a null string. && is used to perform and operation means if anyone of the expression/condition evaluates to false whole thing is false. || is used to perform or operation if anyone of the expression/condition evaluates to true whole thing becomes true.

What is the name of this operator ===?

=== (Triple equals) is a strict equality comparison operator in JavaScript, which returns false for the values which are not of a similar type.

What are operators explain?

An operator is a symbol that operates on a variable or value. It is used for performing certain operations like arithmetical, logical, relational, etc. When a programmer wants to perform some type of mathematical operation then you have to use operators.