About bitwise operators
Bitwise operators are used to perform bitwise based operations on integers. The following are the bitwise operators in Java:
Bitwise AND (&): Performs a bitwise AND operation on the operands.
Bitwise OR (|): Performs a bitwise OR operation on the operands.
Bitwise XOR (^): Performs a bitwise XOR operation on the operands.
Bitwise NOT (~): Performs a bitwise NOT operation on the operand.
Left shift (<<): Shifts the bits of the operand to the left by the number of bits specified by the second operand.
Right shift (>>): Shifts the bits of the operand to the right by the number of bits specified by the second operand.
Here are some examples of how bitwise operators are used in Java:
Bitwise
int x = 10;
int y = 20;
// Bitwise AND
int result = x & y; // 0
// Bitwise OR
result = x | y; // 30
// Bitwise XOR
result = x ^ y; // 20
// Bitwise NOT
result = ~x; // -11
// Left shift
result = x << 2; // 40
// Right shift
result = x >> 2; // 2
The operands of a bitwise operator must be of the integer type. The result of a bitwise operation is of the same type as the operands.
Here are some other important points to keep in mind about bitwise operators in Java:
Bitwise operators are evaluated from left to right.
The operands of a bitwise operator must be of compatible types.
The result of a bitwise operation is of the same type as the operands.
Bitwise operators can be used to perform a variety of operations on integers, such as:
Checking if a bit is set or not
Counting the number of set bits in a number
Reversing the bits in a number
Converting a number to binary
Encoding and decoding data
Bitwise operators can be a powerful tool for manipulating integers, but they can also be difficult to understand. It is important to carefully understand the behavior of bitwise operators before using them in your code.
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