Uses of Interface
com.quantum4j.core.gates.Gate

Packages that use Gate

Package	Description
com.quantum4j.core.circuit	Circuit representation for Quantum4J, including QuantumCircuit and Instruction.
com.quantum4j.core.gates	Quantum gate abstractions and standard gate implementations.
com.quantum4j.visualization

Uses of Gate in com.quantum4j.core.circuit

Methods in com.quantum4j.core.circuit that return Gate

Modifier and Type	Method	Description
Gate	Instruction.getGate()	Get the gate (only for GATE type instructions).

Methods in com.quantum4j.core.circuit with parameters of type Gate

Modifier and Type	Method	Description
QuantumCircuit	QuantumCircuit.apply(Gate gate, int... qubits)
static Instruction	Instruction.gate(Gate gate, int... qubits)	Create a gate instruction.

Uses of Gate in com.quantum4j.core.gates

Classes in com.quantum4j.core.gates that implement Gate

Modifier and Type	Class	Description
final class	CCXGate	Toffoli (Controlled-Controlled-X or CCX) quantum gate.
final class	CHGate	Controlled Hadamard (CH) quantum gate.
final class	CNOTGate	CNOT (Controlled-NOT) quantum gate.
final class	CZGate	Controlled-Z (CZ) quantum gate.
final class	ISWAPGate	iSWAP (imaginary SWAP) quantum gate.
final class	RXGate	Rotation around the X-axis (Rx(θ)) quantum gate.
final class	RYGate	Rotation around the Y-axis (Ry(θ)) quantum gate.
final class	RZGate	Rotation around the Z-axis (Rz(θ)) quantum gate.
class	SingleQubitGate	Abstract base class for single-qubit gates.
static final class	StandardGates.CCXGate
static final class	StandardGates.CHGate
static final class	StandardGates.CNOTGate
static final class	StandardGates.CZGate
static final class	StandardGates.HGate
static final class	StandardGates.ISWAPGate
static final class	StandardGates.RXGate
static final class	StandardGates.RYGate
static final class	StandardGates.RZGate
static final class	StandardGates.SGate
static final class	StandardGates.SWAPGate
static final class	StandardGates.TGate
static final class	StandardGates.U1Gate	U1(λ): [[1, 0], [0, e^{iλ}]]
static final class	StandardGates.U2Gate	U2(φ, λ) = U3(π/2, φ, λ)
static final class	StandardGates.U3Gate	U3(θ, φ, λ): [ cos(θ/2) , -e^{iλ} sin(θ/2) ] [ e^{iφ} sin(θ/2) , e^{i(φ+λ)} cos(θ/2) ]
static final class	StandardGates.XGate
static final class	StandardGates.YGate
static final class	StandardGates.ZGate
final class	SWAPGate	SWAP quantum gate.
class	ThreeQubitGate	Abstract base class for three-qubit gates.
class	TwoQubitGate	Abstract base class for two-qubit gates.

Uses of Gate in com.quantum4j.visualization

Methods in com.quantum4j.visualization with parameters of type Gate

Modifier and Type	Method	Description
static String	GateSymbol.fullLabel(Gate g)	Full detail label for tooltips.
static String	GateSymbol.shortLabel(Gate g)	Short label for rendering inside a gate box.