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Add algo for BooleanGateslogic (#5717)
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package com.thealgorithms.bitmanipulation;
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import java.util.List;
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/**
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* Implements various Boolean algebra gates (AND, OR, NOT, XOR, NAND, NOR)
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*/
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public final class BooleanAlgebraGates {
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private BooleanAlgebraGates() {
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// Prevent instantiation
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}
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/**
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* Represents a Boolean gate that takes multiple inputs and returns a result.
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*/
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interface BooleanGate {
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/**
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* Evaluates the gate with the given inputs.
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*
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* @param inputs The input values for the gate.
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* @return The result of the evaluation.
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*/
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boolean evaluate(List<Boolean> inputs);
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}
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/**
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* AND Gate implementation.
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* Returns true if all inputs are true; otherwise, false.
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*/
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static class ANDGate implements BooleanGate {
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@Override
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public boolean evaluate(List<Boolean> inputs) {
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for (boolean input : inputs) {
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if (!input) {
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return false;
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}
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}
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return true;
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}
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}
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/**
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* OR Gate implementation.
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* Returns true if at least one input is true; otherwise, false.
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*/
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static class ORGate implements BooleanGate {
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@Override
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public boolean evaluate(List<Boolean> inputs) {
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for (boolean input : inputs) {
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if (input) {
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return true;
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}
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}
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return false;
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}
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}
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/**
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* NOT Gate implementation (Unary operation).
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* Negates a single input value.
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*/
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static class NOTGate {
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/**
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* Evaluates the negation of the input.
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*
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* @param input The input value to be negated.
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* @return The negated value.
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*/
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public boolean evaluate(boolean input) {
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return !input;
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}
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}
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/**
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* XOR Gate implementation.
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* Returns true if an odd number of inputs are true; otherwise, false.
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*/
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static class XORGate implements BooleanGate {
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@Override
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public boolean evaluate(List<Boolean> inputs) {
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boolean result = false;
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for (boolean input : inputs) {
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result ^= input;
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}
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return result;
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}
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}
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/**
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* NAND Gate implementation.
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* Returns true if at least one input is false; otherwise, false.
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*/
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static class NANDGate implements BooleanGate {
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@Override
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public boolean evaluate(List<Boolean> inputs) {
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return !new ANDGate().evaluate(inputs); // Equivalent to negation of AND
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}
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}
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/**
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* NOR Gate implementation.
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* Returns true if all inputs are false; otherwise, false.
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*/
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static class NORGate implements BooleanGate {
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@Override
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public boolean evaluate(List<Boolean> inputs) {
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return !new ORGate().evaluate(inputs); // Equivalent to negation of OR
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}
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}
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}
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