Last Updated : 26 Mar, 2024

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In programming, Bitwise Operators play a crucial role in manipulating individual bits of data. One of the fundamental bitwise operators is the Bitwise OR operator (|). In this article, we’ll discuss the Bitwise OR operator, its syntax, properties, applications, and optimization techniques, and conclude with its significance in programming.

Table of Content

- What is Bitwise OR?
- Bitwise OR Operator
- Bitwise OR Operator Syntax
- Bitwise OR Operator in C
- Bitwise OR Operator in C++
- Bitwise OR Operator in Java
- Bitwise OR Operator in Python
- Bitwise OR Operator in C#
- Bitwise OR Operator in JavaScript
- Applications of Bitwise OR Operator

__What is Bitwise OR?__

Bitwise OR is a binary operation performed on two binary numbers or bits. It compares the corresponding bits of two numbers and produces a new number where each bit is 1 if at least one of the corresponding bits in the original numbers is 1.

The truth table for the Bitwise OR operation is as follows:

A | B | A OR B |
---|---|---|

0 | 0 | 0 |

0 | 1 | 1 |

1 | 0 | 1 |

1 | 1 | 1 |

In this table, A and B are the variables, and A OR B is the expression representing the logical OR operation. The table shows all possible combinations of truth values for A and B, and the resulting truth value of A OR B for each combination.

The Botwise OR operation is a binary operation that takes two operands (A and B) and returns true (1) if at least one of the operands is true (1). It returns false (0) only when both operands are false (0).

__Bitwise OR Operator:__

The bitwise OR operator, symbolized by ‘|’, is utilized to perform a logical OR operation between corresponding bits of two operands. Operating at the bit level, this operator evaluates each bit of the operands and produces a result where a bit is set (1) if at least one of the corresponding bits of the operands is set to 1. If both bits are 0, the result bit is also set to 0.

__Bitwise OR Operator Syntax:__

The Bitwise OR operator (|) is a fundamental component of bitwise operations in programming languages. It operates on individual bits of two integers, comparing each corresponding bit and producing a result based on whether at least one of the bits is set.

result = operand1 | operand2;

**Below, we’ll explore the syntax of the Bitwise OR operator in various programming languages:**

**Bitwise OR Operator in C:**

**Bitwise OR Operator in C:**In C , the syntax of the Bitwise OR operator is straightforward:

result = operand1 | operand2;

#include <stdio.h>int main() { int operand1 = 10; // 1010 in binary int operand2 = 13; // 1101 in binary int result = operand1 | operand2; printf("Result: %d\n", result); // Output: 15 (1111 in binary) return 0;}

**Output**

Result: 15

**Bitwise OR Operator in C++:**

**Bitwise OR Operator in C++:**In C++ , the syntax of the Bitwise OR operator is straightforward:

result = operand1 | operand2;

#include <iostream>using namespace std;int main(){ int operand1 = 10; // 1010 in binary int operand2 = 13; // 1101 in binary int result = operand1 | operand2; cout << "Result: " << result << endl; // Output: 15 (1111 in binary) return 0;}

**Output**

Result: 15

**Bitwise OR Operator in Java:**

**Bitwise OR Operator in Java:**In Java , the syntax of the Bitwise OR operator is straightforward:

result = operand1 | operand2;

public class Main { public static void main(String[] args) { int operand1 = 10; // 1010 in binary int operand2 = 13; // 1101 in binary int result = operand1 | operand2; System.out.println("Result: " + result); // Output: 15 (1111 in binary) }}

**Output**

Result: 15

**Bitwise OR Operator in Python:**

**Bitwise OR Operator in Python:**In Python , the syntax of the Bitwise OR operator is straightforward:

result = operand1 | operand2;

operand1 = 10 # 1010 in binaryoperand2 = 13 # 1101 in binaryresult = operand1 | operand2print("Result:", result) # Output: 15 (1111 in binary)

**Output**

('Result:', 15)

**Bitwise OR Operator in C#:**

**Bitwise OR Operator in C#:**In C# , the syntax of the Bitwise OR operator is straightforward:

result = operand1 | operand2;

using System;class MainClass { public static void Main (string[] args) { int operand1 = 10; // 1010 in binary int operand2 = 13; // 1101 in binary int result = operand1 | operand2; Console.WriteLine("Result: " + result); // Output: 15 (1111 in binary) }}

**Output**

Result: 15

**Bitwise OR Operator in JavaScript:**

**Bitwise OR Operator in JavaScript:**In JavaScript , the syntax of the Bitwise OR operator is straightforward:

result = operand1 | operand2;

let operand1 = 0b1010; // Binary literal for 1010let operand2 = 0b1101; // Binary literal for 1101let result = operand1 | operand2;console.log("Result:", result); // Output: 15 (1111 in binary)

**Output**

Result: 15

__Applications of Bitwise OR Operator:__

The bitwise OR operator finds applications in various programming scenarios, including:

: Similar to other bitwise operators, the bitwise OR operator is extensively used in bitwise operations, where individual bits of binary numbers need to be manipulated.**Bitwise Operations**: In software development, bitwise OR operations are commonly employed to set or enable specific flags within a bit field or integer.**Setting or Enabling Flags**: The bitwise OR operator is useful for merging or combining different bit patterns to form a single result, representing a union of the original patterns.**Merging Bit Patterns**

__Conclusion:__

The bitwise OR operator is a powerful tool in programming, offering precise control over individual bits within binary data. Its versatility makes it invaluable for tasks ranging from bitwise operations to setting flags and merging bit patterns. By understanding and effectively utilizing the bitwise OR operator, programmers can write more efficient and concise code, especially in scenarios where manipulation of binary data is required.

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Bitwise AND operator in Programming