An Introduction to Operators in C: Understanding the Different Types

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Every programming language consists of operators, which are nothing but their supporting building blocks. These operators provide a solid foundation for beginners in this field.

There are various types of operators, each a basic symbol facilitating performing logical and mathematical processes. Operators in C and C++ are more like tools leveraged to perform bitwise, conditional, arithmetic, and logical operations.

Also, the different types of operators in C/C++ have a different yet vast number of sub-operators. In this article, we’ll learn everything about operators, including their various types.

Table of Content –

Introduction to Operators
Types of Operators in C (Difine each type of operator with example)
Arithmetic Operators
Logical Operators
Bitwise Operators
Relational Operators
Assignment Operators
Conditional operators
Comparison of each operetor
Operator Use Cases and Best Practices
Conclusion
FAQs

Introduction to Operators

Operators are the symbols or keywords that perform various operations on operands. They enable us to carry out specified arithmetic operators (+, -, *, /), relational operators (>, <, ==), logical operators (&&, ||, !), assignment operators (=), and more. They are used to manipulate data and control program flow in C programming. In other terms, an operator can be said to operate the operands.

Types of Operators in C

C/C++ has 6 different types of operators. Let’s go over each sort of operator’s purpose in detail.

Arithmetic Operators

Mathematical operations like addition (+), multiplication (*), subtraction (-), division (/), and modulus (%) are all performed using arithmetic operators. All operations on numerical values (constants and variables) are carried out by this type of operator.

Example of Arithmetic Operators

Below is the example of Arithmetic type of operator


int main()
{
    int a = 7,b = 5, c;    
    c = a+b;
    printf("a+b = %d n",c);
    c = a-b;
    printf("a-b = %d n",c);
    c = a*b;
    printf("a*b = %d n",c);
    c = a/b;
    printf("a/b = %d n",c);
    c = a%b;
    printf("Remainder when a is divided by b = %d n",c);   
    return 0;
}

Output:

a+b = 12
a-b = 2
a*b = 35
a/b = 1
The remainder when a divided by b = 2

Logical Operators

Relational operators and logical operators are combined to produce advanced conclusions.

Logical operators in programming, such as && (logical AND), || (logical OR), and ! (logical NOT), are used to evaluate conditions and return true or false based on the truth values of the operands. They are commonly used in conditional statements and loops to make decisions and control program flow.

Example of Logical Operators

Below is the example of logical type of operator

g of logical operators
#include 
int main()
{
    int a = 15, b = 15, c = 20, results;
    results = (a == b) && (c > b);
    printf("(a == b) && (c > b) is %d n", results);
    results = (a == b) && (c < b);
    printf("(a == b) && (c < b) is %d n", results);
    results = (a == b) || (c < b);
    printf("(a == b) || (c < b) is %d n", results);
    results = (a != b) || (c < b);
    printf("(a != b) || (c < b) is %d n", results); results = !(a != b); printf("!(a != b) is %d n", results); results = !(a == b); printf("!(a == b) is %d n", results); return 0; } Output: (a == b) && (c > b) is 1 
(a == b) && (c < b) is 0 
(a == b) || (c < b) is 1 
(a != b) || (c < b) is 0 
!(a != b) is 1 
!(a == b) is 0

Bitwise Operators

Bit-by-bit operations are carried out by bitwise operators, which operate on bits. In these type of operators, mathematical operations are transformed into bit-level processing, which speeds up and simplifies implementation during computation and program compilation.

Example of Bitwise Operators

, b = 9;   // a = 5(00000101), b = 9(00001001)
cout << (a ^ b);   //  00001100
cout <<(~a);       // 11111010

Relational Operators

This type of operators are employed in the evaluation of two operands’ values. For instance, determining whether one operand is greater than the other operand, whether one operand equals the other, etc. (==, >=, =) are a few relational operators.

Example of Relational Operators

Below is the example of rational type of operator

;
int b = 5;
cout<<(a < b);
// operator to check if a is smaller than b

Assignment Operators

The primary duty of an assignment operator in a program is to assign a value to a variable. A variable can be given the outcome of an expression by using assignment operators. The value assignment process for every variable depends heavily on this operator. = is the most popular assignment operator.

Example of Assignment Operators

Below is the example of assignment type of operator


int main()
{
    int a = 7, b;
    b = a;      // b is 7
    printf("b = %dn", b);
    b += a;     // b is 14 
    printf("b = %dn", b);
    b -= a;     // b is 7
    printf("b = %dn", b);
    b *= a;     // b is 49
    printf("b = %dn", b);
    b /= a;     // b is 7
    printf("c = %dn", c);
    b %= a;     // b = 0
    printf("b = %dn", b);
    return 0;
}

Output:

b = 7
b = 14 
b = 7
b = 49 
b = 7
b = 0

Conditional Operators

An if-else block 21 single statement requires less effort when using a conditional or ternary operator. These types of operators was designed to work with conditional expressions.

Example of Conditional operators


VariableName = (condition)? TrueValue : FalseValue;

Example:

a= (b>c) ? (b+c) : (b-c);

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Comparison of Each Operator

Below is a quick glance of comparison of all the major types of operators for your better understanding.

Operator	Explanation
Arithmetic Operators	Leveraged to carry out arithmetic operations on operands.
Logical Operators	Leveraged to integrate/combine logical expressions.
Bitwise Operators	Leveraged to carry out bitwise operations on operands.
Relational Operators	Leveraged to compare two operands.
Assignment Operators	Leveraged to assign any value to the operand.

Operator Use Cases and Best Practices

Below are the use cases and examples of different types of operators:

Arithmetic operators: These are used to carry out operations like division, multiplication, addition, and subtraction on operands.
Logical operators: These operators integrate logical expressions like AND, OR, and NOT.
Relational operators: These operators, including less than, greater than, equal to, and not equal to, are utilized for comparing two operands.
Bitwise operators: These operators are utilized for carrying out bitwise operations on operands like AND, OR, XOR, and NOT.

It’s crucial to use operators in accordance with recommended procedures. The following are some of the most significant best practices:

Utilizing the appropriate operator for the action you wish to take.
Expressions are grouped together by using parenthesis.
Using whitespace helps improve the readability of your code.
Preventing side effects, which are modifications to the program’s state that aren’t primarily caused by your action.

By adhering to these best practices, you can develop easy to comprehend and clear code.

Conclusion

In this guide, we have covered all about operators and major type sf operators used. Basically, operators are the fundamentals of any coding language and how they work. One needs to have extensive knowledge of operators to develop complicated code for operating various apps or software. For those who aspire to become master coders, having a solid grasp of their usage is essential.

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FAQs

What is the difference between prefix and postfix operators in C?

The prefix increment/decrement operators (++x, --x) in programming increment or decrement the value of a variable before it is used in an expression. The postfix increment/decrement operators (x++, x--) perform the increment or decrement operation after the variable is used in the expression, resulting in different behavior when used in complex expressions or statements.

What are operators in C?

A symbol known as an operator directs the compiler to carry out particular logical or mathematical operations. The following categories of operators are available as built-in operators in the C language: Arithmetic Operators and Relational Operators.

What are the two basic types of operators?

Two major types of operators used by the programmers are:

arithmetic operators.
relational operators.

What is the role of arithmetic operators in programming?

Arithmetic operators in programming are used to perform mathematical calculations on numeric operands. They play a crucial role in tasks like addition (+), subtraction (-), multiplication (*), division (/), and more. These operators enable the manipulation of numerical data and facilitate calculations in various programming scenarios.

What is the purpose of assignment operators in programming?

The purpose of assignment operators in programming is to assign a value to a variable. This type of operators allow the modification or update of variables by assigning a new value based on arithmetic or logical operations. Assignment operators provide a convenient way to store and manipulate data within a program.

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An Introduction to Operators in C: Understanding the Different Types

Introduction to Operators

Types of Operators in C

Arithmetic Operators

Example of Arithmetic Operators

Logical Operators

Example of Logical Operators

Bitwise Operators

Example of Bitwise Operators

Relational Operators

Example of Relational Operators

Assignment Operators

Example of Assignment Operators

Conditional Operators

Example of Conditional operators

Comparison of Each Operator

Operator Use Cases and Best Practices

Conclusion

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